Open the Door: A Short Story
ドアを開ける短いゲーム
Not in any tracked top chart right now.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperTatsuya Koyama
CategoryGames
PriceFree
Released
Rating★ 4.9 (9.5k)
Version1.1
Age rating4+
First seen by us
26 Sep 2026
Rating
4.9 ★
9.5k ratings
Measured
Open the Door: A Short Story on the App Store
App details
App ID
1625455538
Publisher
Tatsuya Koyama
Content rating
4+
Open the Door: A Short Story 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.
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 Open the Door: A Short Story before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How Open the Door: A Short Story makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.9 ★
9.5k ratings
Measured
Ratings
9.5k
Measured
About Open the Door: A Short Story
Welcome, friend—and thank you for stopping by. We know there are more apps vying for your attention nowadays than there are stars in the night sky, yet somehow, you found your way to this one.
Open the Door is a short, 3D adventure game in which you'll wander through soft, ethereal dreamscapes filled with quiet wonders, gathering up coins and whatever little bits of joy you can find along the way. Through each door lies new opportunities—a new and wondrous location to explore.
There are no difficult action sequences, nor vicious monsters, nor complex puzzles to frustrate you here. This is a story that anyone and everyone will be able to experience in full: one that you can enjoy at your own pace, with no ads to break your immersion.
This is not a game that will challenge you in the traditional sense. But if you only open the door, you might just find something resonant, something of value in this short story about life. And maybe—just maybe—that something could have a small but positive impact on how you live your own.
We'd like that. We'd like that very much.
Open the Door is a short, 3D adventure game in which you'll wander through soft, ethereal dreamscapes filled with quiet wonders, gathering up coins and whatever little bits of joy you can find along the way. Through each door lies new opportunities—a new and wondrous location to explore.
There are no difficult action sequences, nor vicious monsters, nor complex puzzles to frustrate you here. This is a story that anyone and everyone will be able to experience in full: one that you can enjoy at your own pace, with no ads to break your immersion.
This is not a game that will challenge you in the traditional sense. But if you only open the door, you might just find something resonant, something of value in this short story about life. And maybe—just maybe—that something could have a small but positive impact on how you live your own.
We'd like that. We'd like that very much.
Latest updates
1.1
・日本語だけでなく英語でも遊べるようになりました。(設定画面から言語を切り替えられます)