Purify the World Downloads & RevenuePurify the World · Google Play
Not in a tracked Google Play top chart right now.
Updated 3 Nov 2026 · rankings refresh through the day
DeveloperEureka Studio, Inc.
CategoryGames › Adventure
PriceFree
Released
Installs10k+
Rating★ 2.8 (68)
Updated
Content ratingEveryone 10+
Full timeline · 3 events
- 🆕Purify the World first spotted by AppInsiderUnited States (found via similar)
- 📦Purify the World version 0.3.14No release notes
- 🆕Purify the World released on Google Play
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
2.8 ★
68 ratings
Measured
Purify the World on Google Play
App details
App ID
com.eurekastudio.lastcitysurvivor
Publisher
EUREKA STUDIO INC.
Publisher country
Japan
Content rating
Everyone 10+
Purify the World 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.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
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 Purify the World 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 Purify the World makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 44 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Not in a Google Play top chart right now. | ||
Ratings
Google Play, worldwide.
Rating
2.8 ★
68 ratings
Measured
Ratings
68
Measured
Written reviews
29
Measured
About Purify the World
You must live in a world of devastation and zombies roaming the streets.
You must collect and study zombie DNA, clean up the contaminated surface with a vaccine you create, and work with the few friends who are still alive to survive!
You must collect and study zombie DNA, clean up the contaminated surface with a vaccine you create, and work with the few friends who are still alive to survive!