Fortress Saga: Idle AFK RPG: iPhone vs Android
Fortress Saga: Idle AFK RPG gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Fortress Saga: Idle AFK RPG by cookapps is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
4.3 ★
170k ratings, both stores
Measured
Best rank now
#31
Android · 
Games › Simulation Grossing
Games › Simulation GrossingMeasured
Fortress Saga: Idle AFK RPG at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Idle RPG Anime Fantasy short sessions IAP Gacha
#afk #hero collection #dungeon crawler #fortress building #auto battle #progression
App Store
App details
App ID
6446308106
Publisher
cookapps
Publisher country
South Korea
On the store since
Aug 2023
3 years on the store
Minimum OS
iOS 15.2+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase · Game Center
Content rating
9+
2 content notes below
Languages
5
EN JA KO ZH ZH
Size
305 MB
Also listed in
Role-Playing, Strategy
Content notesLoot BoxesInfrequent/Mild Cartoon or Fantasy Violence
Google Play
App details
App ID
com.cookapps.bm.fortresssaga
Publisher
(주)쿡앱스
Publisher country
South Korea
Content rating
Everyone 10+
Fortress Saga: Idle AFK RPG downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | 100+ | 1M+ |
| Google Play | 500+ | 1M+ Measured |
| Total | 1k+ Confidence | 5M+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where Fortress Saga: Idle AFK RPG's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
How Fortress Saga: Idle AFK RPG makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 82 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | 9.99 Package | |
| 2 | 0.99 Package | |
| 3 | 19.99 Package | |
| 4 | 4.99 Package | |
| 5 | 1.99 Package | |
| 6 | 3.99 Package | |
| 7 | 14.99 Package | |
| 8 | 24.99 Package | |
| 9 | 5.99 Package | |
| 10 | 39.99 Package |
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 5.0 ★ | 49 |
| Google Play | 4.3 ★ | 170k 2.8k written reviews |
| Both stores | 4.3 ★ weighted by ratings | 170k |
About Fortress Saga: Idle AFK RPG
Welcome to Fortress Saga, an epic idle RPG and AFK RPG game where fortress building, strategic RPG battles, and endless progression come together. In this fantasy RPG, lead your heroes, build your fortress, and experience one of the most immersive idle RPG games available.
Begin your journey in a true idle RPG adventure. Collect powerful heroes, conquer dangerous dungeons, and fight for victory in strategic RPG battles. Whether you enjoy AFK gameplay like AFK Journey or classic RPG games, Fortress Saga delivers a perfect balance of idle RPG simplicity and deep strategy.
Even when you’re offline, your idle heroes continue to battle, explore dungeons, and earn rewards. This AFK RPG ensures constant growth, allowing your fortress, heroes, and legends to evolve through continuous idle progression in a dynamic fantasy RPG world.
▶ Idle RPG Growth & AFK Progression, 24/7
Experience non-stop growth in a true idle RPG. Strengthen your heroes and upgrade your fortress around the clock with AFK progression and automatic leveling. In this AFK RPG game, your journey continues anytime, anywhere.
▶ Strategic Idle RPG Battles & Victory
Enjoy automatic battles that are easy to watch but rewarding to master. Lead your heroes into strategic RPG battles, plan formations, and claim victory in every dungeon. A perfect blend of idle RPG and strategy RPG gameplay.
▶ Collect Heroes, Unlock Synergies & Build Legends
Recruit and collect powerful heroes, combine their abilities, and discover deep synergies. Build your own legends in this hero collection RPG and grow your ultimate team in a rich fantasy RPG world.
▶ Fortress Building & Dungeon Adventure RPG
Upgrade and customize your moving fortress, conquer challenging dungeons, and expand your power. This idle RPG combines fortress building with immersive dungeon exploration and continuous progression.
▶ Stunning Fantasy World & Epic RPG Experience
Experience beautifully animated heroes, dynamic battles, and full voice acting. Dive into an epic RPG adventure filled with heroes, legends, and strategic gameplay in one of the most engaging idle RPG games.
▶ Limited-Time Events & Epic Collaborations
Join limited-time events and exciting crossover collaborations. Fortress Saga has featured partnerships with popular titles like Sonic, One Punch Man, Working Cat (Shigoto Neko), Delicious in Dungeon, and the Three Kingdoms Challenge.
Download Fortress Saga now and begin your AFK idle RPG journey toward ultimate victory.
Begin your journey in a true idle RPG adventure. Collect powerful heroes, conquer dangerous dungeons, and fight for victory in strategic RPG battles. Whether you enjoy AFK gameplay like AFK Journey or classic RPG games, Fortress Saga delivers a perfect balance of idle RPG simplicity and deep strategy.
Even when you’re offline, your idle heroes continue to battle, explore dungeons, and earn rewards. This AFK RPG ensures constant growth, allowing your fortress, heroes, and legends to evolve through continuous idle progression in a dynamic fantasy RPG world.
▶ Idle RPG Growth & AFK Progression, 24/7
Experience non-stop growth in a true idle RPG. Strengthen your heroes and upgrade your fortress around the clock with AFK progression and automatic leveling. In this AFK RPG game, your journey continues anytime, anywhere.
▶ Strategic Idle RPG Battles & Victory
Enjoy automatic battles that are easy to watch but rewarding to master. Lead your heroes into strategic RPG battles, plan formations, and claim victory in every dungeon. A perfect blend of idle RPG and strategy RPG gameplay.
▶ Collect Heroes, Unlock Synergies & Build Legends
Recruit and collect powerful heroes, combine their abilities, and discover deep synergies. Build your own legends in this hero collection RPG and grow your ultimate team in a rich fantasy RPG world.
▶ Fortress Building & Dungeon Adventure RPG
Upgrade and customize your moving fortress, conquer challenging dungeons, and expand your power. This idle RPG combines fortress building with immersive dungeon exploration and continuous progression.
▶ Stunning Fantasy World & Epic RPG Experience
Experience beautifully animated heroes, dynamic battles, and full voice acting. Dive into an epic RPG adventure filled with heroes, legends, and strategic gameplay in one of the most engaging idle RPG games.
▶ Limited-Time Events & Epic Collaborations
Join limited-time events and exciting crossover collaborations. Fortress Saga has featured partnerships with popular titles like Sonic, One Punch Man, Working Cat (Shigoto Neko), Delicious in Dungeon, and the Three Kingdoms Challenge.
Download Fortress Saga now and begin your AFK idle RPG journey toward ultimate victory.
Fortress Saga: Idle AFK RPG iPhone
Fortress Saga: Idle AFK RPG gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Fortress Saga: Idle AFK RPG is #100 in Games › Role Playing Free in South Korea and charting in 1 of 30 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
Developercookapps
CategoryGames
PriceFree
Released
Rating★ 5.0 (49)
Version2.1.20
Age rating9+
First seen by us
24 Sep 2026
24 Sep 2026Installs (est.)1M+ worldwide
Rating
5.0 ★
49 ratings
Measured
Best rank now
#100
Games › Role Playing FreeMeasured
Fortress Saga: Idle AFK RPG at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Idle RPG Anime Fantasy short sessions IAP Gacha
#afk #hero collection #dungeon crawler #fortress building #auto battle #progression
Fortress Saga: Idle AFK RPG on the App Store
App details
App ID
6446308106
Publisher
cookapps
Publisher country
South Korea
On the store since
Aug 2023
3 years on the store
Minimum OS
iOS 15.2+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase · Game Center
Content rating
9+
2 content notes below
Languages
5
EN JA KO ZH ZH
Size
305 MB
Also listed in
Role-Playing, Strategy
Content notesLoot BoxesInfrequent/Mild Cartoon or Fantasy Violence
Fortress Saga: Idle AFK RPG downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Fortress Saga: Idle AFK RPG's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Fortress Saga: Idle AFK RPG before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How Fortress Saga: Idle AFK RPG makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 82 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | 9.99 Package | |
| 2 | 0.99 Package | |
| 3 | 19.99 Package | |
| 4 | 4.99 Package | |
| 5 | 1.99 Package | |
| 6 | 3.99 Package | |
| 7 | 14.99 Package | |
| 8 | 24.99 Package | |
| 9 | 5.99 Package | |
| 10 | 39.99 Package |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | Games › Role PlayingFree | #100 |
Apps near Fortress Saga: Idle AFK RPG on the chart
Games › Role Playing Free, around #100.
Ratings
App Store, worldwide.
Rating
5.0 ★
49 ratings
Measured
Ratings
49
Measured
About Fortress Saga: Idle AFK RPG
Welcome to Fortress Saga, an epic idle RPG and AFK RPG game where fortress building, strategic RPG battles, and endless progression come together. In this fantasy RPG, lead your heroes, build your fortress, and experience one of the most immersive idle RPG games available.
Begin your journey in a true idle RPG adventure. Collect powerful heroes, conquer dangerous dungeons, and fight for victory in strategic RPG battles. Whether you enjoy AFK gameplay like AFK Journey or classic RPG games, Fortress Saga delivers a perfect balance of idle RPG simplicity and deep strategy.
Even when you’re offline, your idle heroes continue to battle, explore dungeons, and earn rewards. This AFK RPG ensures constant growth, allowing your fortress, heroes, and legends to evolve through continuous idle progression in a dynamic fantasy RPG world.
▶ Idle RPG Growth & AFK Progression, 24/7
Experience non-stop growth in a true idle RPG. Strengthen your heroes and upgrade your fortress around the clock with AFK progression and automatic leveling. In this AFK RPG game, your journey continues anytime, anywhere.
▶ Strategic Idle RPG Battles & Victory
Enjoy automatic battles that are easy to watch but rewarding to master. Lead your heroes into strategic RPG battles, plan formations, and claim victory in every dungeon. A perfect blend of idle RPG and strategy RPG gameplay.
▶ Collect Heroes, Unlock Synergies & Build Legends
Recruit and collect powerful heroes, combine their abilities, and discover deep synergies. Build your own legends in this hero collection RPG and grow your ultimate team in a rich fantasy RPG world.
▶ Fortress Building & Dungeon Adventure RPG
Upgrade and customize your moving fortress, conquer challenging dungeons, and expand your power. This idle RPG combines fortress building with immersive dungeon exploration and continuous progression.
▶ Stunning Fantasy World & Epic RPG Experience
Experience beautifully animated heroes, dynamic battles, and full voice acting. Dive into an epic RPG adventure filled with heroes, legends, and strategic gameplay in one of the most engaging idle RPG games.
▶ Limited-Time Events & Epic Collaborations
Join limited-time events and exciting crossover collaborations. Fortress Saga has featured partnerships with popular titles like Sonic, One Punch Man, Working Cat (Shigoto Neko), Delicious in Dungeon, and the Three Kingdoms Challenge.
Download Fortress Saga now and begin your AFK idle RPG journey toward ultimate victory.
Begin your journey in a true idle RPG adventure. Collect powerful heroes, conquer dangerous dungeons, and fight for victory in strategic RPG battles. Whether you enjoy AFK gameplay like AFK Journey or classic RPG games, Fortress Saga delivers a perfect balance of idle RPG simplicity and deep strategy.
Even when you’re offline, your idle heroes continue to battle, explore dungeons, and earn rewards. This AFK RPG ensures constant growth, allowing your fortress, heroes, and legends to evolve through continuous idle progression in a dynamic fantasy RPG world.
▶ Idle RPG Growth & AFK Progression, 24/7
Experience non-stop growth in a true idle RPG. Strengthen your heroes and upgrade your fortress around the clock with AFK progression and automatic leveling. In this AFK RPG game, your journey continues anytime, anywhere.
▶ Strategic Idle RPG Battles & Victory
Enjoy automatic battles that are easy to watch but rewarding to master. Lead your heroes into strategic RPG battles, plan formations, and claim victory in every dungeon. A perfect blend of idle RPG and strategy RPG gameplay.
▶ Collect Heroes, Unlock Synergies & Build Legends
Recruit and collect powerful heroes, combine their abilities, and discover deep synergies. Build your own legends in this hero collection RPG and grow your ultimate team in a rich fantasy RPG world.
▶ Fortress Building & Dungeon Adventure RPG
Upgrade and customize your moving fortress, conquer challenging dungeons, and expand your power. This idle RPG combines fortress building with immersive dungeon exploration and continuous progression.
▶ Stunning Fantasy World & Epic RPG Experience
Experience beautifully animated heroes, dynamic battles, and full voice acting. Dive into an epic RPG adventure filled with heroes, legends, and strategic gameplay in one of the most engaging idle RPG games.
▶ Limited-Time Events & Epic Collaborations
Join limited-time events and exciting crossover collaborations. Fortress Saga has featured partnerships with popular titles like Sonic, One Punch Man, Working Cat (Shigoto Neko), Delicious in Dungeon, and the Three Kingdoms Challenge.
Download Fortress Saga now and begin your AFK idle RPG journey toward ultimate victory.
Latest updates
2.1.20
Update 2.1.20
- Iris's Special Request: Adventures, Dungeons, Raids, new heroes, 10,000 Summon Tickets and rewards as you progress.
- Halloween (Oct 29–Nov 26): dungeon, shop, packs, Skin Summons.
- Pocky Day (Nov 11–25): gifts for 7 login days.
- Reflection Converter, Spacetime Regulator, Effect Preserver: effect values reduced by about 30%.
- Precision Parts' ATK SPD is now shown in total Power.
- Anubis's stacks reset on boss summon.
- Spanish added.
2.1.15
Update 2.1.15
- Minigame Event: Oct 1–15. Join the fun and explore 2 limited decorations on sale during the event.
- Fireworks Festival Login Event: Oct 8–22. Join the celebration and discover special festival packages.
- Fixed some Precision Part effects and Arena combat power display.
- Fixed blueprint collection resetting ongoing production in Machina Engineering.
- Added type filters to the dismantling window and fixed the sort indicator position.
2.1.10
2.1.10 Patch Notes
[Machina Engineering]
- Unlocks after Stage 50-20. Use Blueprints produced over time to craft Precision Parts.
- Equip and connect parts for stronger setups.
- Craft the same type to gain research EXP and improve base effects.
- Dismantle unused parts for Blueprints.
[Launch Events]
- Login rewards, Blueprint missions and dedicated packs added.
[Affinity]
- Get closer to Melaina!
[Full Moon] 09/17 ~ 10/22
- Log in daily for gifts prepared by the Moon Rabbit.
Store changes
What Fortress Saga: Idle AFK RPG changed on its store page: name, icon, screenshots, price, size, languages, requirements.
New screenshots 
9 screenshots (was 9)
New screenshots
8 screenshots (was 8)
New screenshots 
9 screenshots (was 9)
More from cookapps
Fortress Saga: Idle AFK RPG Android
Fortress Saga: Idle AFK RPG gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Fortress Saga: Idle AFK RPG is #70 in Games › Simulation Grossing on Google Play in Japan and charting in 6 of 23 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperCookApps
CategoryGames › Simulation
PriceFree
Released
Installs1M+
Rating★ 4.3 (170k)
Updated
Content ratingEveryone 10+
Rating
4.3 ★
170k ratings
Measured
Best rank now
#70
Games › Simulation GrossingMeasured
Fortress Saga: Idle AFK RPG at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Idle RPG Cartoon 3D Fantasy short sessions IAP Gacha
#afk #auto-battle #hero collection #base building #dungeon crawler #progression
Fortress Saga: Idle AFK RPG on Google Play
App details
App ID
com.cookapps.bm.fortresssaga
Publisher
(주)쿡앱스
Publisher country
South Korea
Content rating
Everyone 10+
Fortress Saga: Idle AFK RPG downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Fortress Saga: Idle AFK RPG's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
On Android app stores
The same app (com.cookapps.bm.fortresssaga) on every Android store we track.
| Store | Installs | Rating | Version | |
|---|---|---|---|---|
| Google Play | 1,000,000+ | ★ 4.3 (170k) | 2.1.20 | Open ↗ |
| Samsung Galaxy Store | not published | ★ 4.5 (6) | 2.1.15 | Open ↗ |
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Fortress Saga: Idle AFK RPG before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How Fortress Saga: Idle AFK RPG makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 82 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | 9.99 Package | |
| 2 | 0.99 Package | |
| 3 | 19.99 Package | |
| 4 | 4.99 Package | |
| 5 | 1.99 Package | |
| 6 | 3.99 Package | |
| 7 | 14.99 Package | |
| 8 | 24.99 Package | |
| 9 | 5.99 Package | |
| 10 | 39.99 Package |
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | Games › SimulationGrossing | #70 |
| South Korea | Games › SimulationGrossing | #37 |
 United States | Games › SimulationGrossing | #142 |
| Taiwan | Games › SimulationGrossing | #31 |
| South Korea | Games › SimulationFree | #93 |
 Saudi Arabia | Games › SimulationGrossing | #87 |
 United Arab Emirates | Games › SimulationGrossing | #85 |
Apps near Fortress Saga: Idle AFK RPG on the chart
Games › Simulation Grossing, around #70.
Ratings
Google Play, worldwide.
Rating
4.3 ★
170k ratings
Measured
Ratings
170k
Measured
Written reviews
2.8k
Measured
About Fortress Saga: Idle AFK RPG
Welcome to Fortress Saga, the ultimate Idle RPG where epic battle never stops! Ready for a legend AFK adventure? Battle for victory!
The dark war has begun! Upgrade your moving fortress, summon powerful hero units, master strategic skills, and build the ultimate castle layout.
Enjoy growth with advanced auto-battle & AFK features. Even while you are offline or sleeping, your idle hero, fortress, and rewards continue to grow 24/7. Say goodbye to mindless grinding and enjoy an effortless level up progression system designed for maximum fun. Explore dark dungeon vaults, engage in fierce combat, and witness how a simple recruit becomes an epic hero.
If you love idle rpg games with deep strategy, intense battle mechanics, and endless collection elements, Fortress Saga is your next obsession. Join the afk journey of Cor and Louis today, defeat every enemy, and write your own legends!
▶ Non-Stop Idle RPG Growth & AFK Rewards
Your hero and fortress grow stronger around the clock! This AFK RPG delivers continuous progress through an optimized auto battle system, automatic level up functions, and rewarding hero upgrade choices anytime, anywhere. Collect endless loot, gems, and gold even while you are offline. It’s the perfect idle game setup for players who want high-tier strategic growth without any stress. Start your legend afk arena showdown now and see how easy growth can be!
▶ Build, Upgrade, and Defend Your Fortress
Turn your moving base into an unbreakable, giant castle. Build unique defense facilities, upgrade your fortress parts, and unlock rare skills to repel endless waves of enemies. Match your battle strategy and playstyle by equipping powerful gear and tactical defense systems. This isn’t just a simple action game; it’s a true strategic test where your setup determines victory or defeat in the grand war.
▶ Collect Epic Hero & Strategic Summon System
Assembled the ultimate team of defenders, dealers, tanks, and support hero units. Summon, collect, and combine diverse warriors to unlock powerful team synergies and hidden abilities in this premium hero collection RPG. Enhance their combat attributes, upgrade their weapons, and prepare your hero for challenging boss battle stages. Create the perfect deck of slime and legend hero to dominate the battlefield.
▶ Action Packed Dungeon Raid & Intense Combat
Lead your defenders into mysterious dungeon realms filled with monsters, traps, and massive bosses. Every dungeon clear brings a fresh challenge, stronger enemy types, and more rewards for your hero team. Test your strategy in competitive PvP arena match, climb the ranks, and prove your strength. Every single combat encounter brings you one step closer to achieving total victory and building a true legend.
▶ Stunning Visuals & Vivid Character Chemistry
Enjoy beautifully animated fantasy hero designs inspired by classic art styles. Watch your favorite defenders come alive with dynamic animations, full voice acting, and eye-catching visual eff
The dark war has begun! Upgrade your moving fortress, summon powerful hero units, master strategic skills, and build the ultimate castle layout.
Enjoy growth with advanced auto-battle & AFK features. Even while you are offline or sleeping, your idle hero, fortress, and rewards continue to grow 24/7. Say goodbye to mindless grinding and enjoy an effortless level up progression system designed for maximum fun. Explore dark dungeon vaults, engage in fierce combat, and witness how a simple recruit becomes an epic hero.
If you love idle rpg games with deep strategy, intense battle mechanics, and endless collection elements, Fortress Saga is your next obsession. Join the afk journey of Cor and Louis today, defeat every enemy, and write your own legends!
▶ Non-Stop Idle RPG Growth & AFK Rewards
Your hero and fortress grow stronger around the clock! This AFK RPG delivers continuous progress through an optimized auto battle system, automatic level up functions, and rewarding hero upgrade choices anytime, anywhere. Collect endless loot, gems, and gold even while you are offline. It’s the perfect idle game setup for players who want high-tier strategic growth without any stress. Start your legend afk arena showdown now and see how easy growth can be!
▶ Build, Upgrade, and Defend Your Fortress
Turn your moving base into an unbreakable, giant castle. Build unique defense facilities, upgrade your fortress parts, and unlock rare skills to repel endless waves of enemies. Match your battle strategy and playstyle by equipping powerful gear and tactical defense systems. This isn’t just a simple action game; it’s a true strategic test where your setup determines victory or defeat in the grand war.
▶ Collect Epic Hero & Strategic Summon System
Assembled the ultimate team of defenders, dealers, tanks, and support hero units. Summon, collect, and combine diverse warriors to unlock powerful team synergies and hidden abilities in this premium hero collection RPG. Enhance their combat attributes, upgrade their weapons, and prepare your hero for challenging boss battle stages. Create the perfect deck of slime and legend hero to dominate the battlefield.
▶ Action Packed Dungeon Raid & Intense Combat
Lead your defenders into mysterious dungeon realms filled with monsters, traps, and massive bosses. Every dungeon clear brings a fresh challenge, stronger enemy types, and more rewards for your hero team. Test your strategy in competitive PvP arena match, climb the ranks, and prove your strength. Every single combat encounter brings you one step closer to achieving total victory and building a true legend.
▶ Stunning Visuals & Vivid Character Chemistry
Enjoy beautifully animated fantasy hero designs inspired by classic art styles. Watch your favorite defenders come alive with dynamic animations, full voice acting, and eye-catching visual eff
What's new in 2.1.20
Update 2.1.20
- Iris's Special Request: Adventures, Dungeons, Raids, new heroes, 10,000 Summon Tickets and rewards as you progress.
- Halloween (Oct 29–Nov 26): dungeon, shop, packs, Skin Summons.
- Pocky Day (Nov 11–25): gifts for 7 login days.
- Reflection Converter, Spacetime Regulator, Effect Preserver: effect values reduced by about 30%.
- Precision Parts' ATK SPD is now shown in total Power.
- Anubis's stacks reset on boss summon.
- Spanish added.
- Iris's Special Request: Adventures, Dungeons, Raids, new heroes, 10,000 Summon Tickets and rewards as you progress.
- Halloween (Oct 29–Nov 26): dungeon, shop, packs, Skin Summons.
- Pocky Day (Nov 11–25): gifts for 7 login days.
- Reflection Converter, Spacetime Regulator, Effect Preserver: effect values reduced by about 30%.
- Precision Parts' ATK SPD is now shown in total Power.
- Anubis's stacks reset on boss summon.
- Spanish added.
Store changes
What Fortress Saga: Idle AFK RPG changed on its store page: name, icon, screenshots, price, size, languages, requirements.
New icon
→