Fortress Saga: Idle AFK RPG

Name: Fortress Saga: Idle AFK RPG
Rating: 4.6279306 (170336 reviews)
Author: CookApps

CookApps

★ 4.6 (170,336 ratings)

⬇ 1,000,000+ downloads

Est. actual: 4,004,072

Style: Simulation

Free

Released: Jul 18, 2023

IAP: $0.99 - $99.99 per item

Contains ads

Rated: Everyone 10+

Mechanics RPG & hero collector Idle / incremental 4X / war strategy Tower defense Fighting & beat 'em up Auto battler / merge battleGacha & loot boxes Story & characters Live events & tournaments

Signals

4 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days +4.1K installs — 28% slower than the week before (+5.7K) · 727/day since Sep 17
🏆Among Simulation games top 9% by installs gained this week (22333 peers growing)
⭐Rating steady at ★ 4.63 since Sep 17
🛠Updates actively updated · updated 13 days ago · every ~17 days (3 updates tracked)

Installs since launch

+33,446 installs · +1,607 ratings since Sep 17

SDKs in the app · version 2.1.20, analysed Oct 26, 2026

Ad mediationAppLovin MAX ironSource / Unity LevelPlay
Ad networkAppLovin SDK Bigo Ads Chartboost DT Exchange (Fyber)Google Mobile Ads (AdMob) 23.6.0 InMobi LINE Ads (FiveAd)Liftoff Monetize (Vungle) 7.4.2 Meta Audience Network 6.18.0 Moloco Ads 3.8.0 Pangle 7.7.0.2 Unity Ads 4.12.5
AnalyticsFirebase Analytics 22.4.0
AttributionAppsFlyer Facebook App Events 17.0.2 TikTok Business SDK 1.5.0
ConsentGoogle User Messaging Platform 3.0.0
Crash reportingFirebase Crashlytics
Engagement & messagingFirebase Cloud Messaging 24.1.1 Play In-App Review 2.0.0
Game engineUnity (engine)
Game servicesPlay Games Services 22.0.0
PaymentsPlay Billing Library 8.0.0
SecurityPlay Integrity API 1.3.0
Social & loginFacebook Gaming Services Facebook Login Facebook SDK (core) 17.0.2 Facebook Share Google Sign-In 20.7.0

15 mediation adapters

Adapters connect a mediation SDK to an ad network. An adapter alone does not mean the network’s own SDK is bundled.

AppLovin MAX adapter → UnityAds 2025.7.18.0AppLovin MAX adapter → YandexAppLovin MAX adapter → Yandex 5.5.1.0AppLovin MAX adapter → Yandex 7.7.0.2.0AppLovin MAX adapter → Yandex 9.8.3.0AppLovin MAX adapter → Yandex 6.18.0.1AppLovin MAX adapter → Yandex 23.6.0.1AppLovin MAX adapter → Yandex 23.6.0.0AppLovin MAX adapter → Yandex 10.8.0.0AppLovin MAX adapter → Yandex 8.3.4.0AppLovin MAX adapter → Yandex 8.6.0.0.0AppLovin MAX adapter → YandexAppLovin MAX adapter → Yandex 3.8.0.0AppLovin MAX adapter → Yandex 4.12.5.0AppLovin MAX adapter → Yandex 7.4.2.1

Found by static analysis of the app package; bundled is not the same as active. All SDKs →

Update history

2.1.20 Oct 20, 2026 · seen Oct 23, 2026

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 no

2.1.15 Sep 29, 2026 · seen Oct 2, 2026

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 typ

2.1.10 Sep 16, 2026

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. <b

Trailer

Fortress Saga: Idle AFK RPG is a simulation game by CookApps with 1,000,000+ downloads (about 4M estimated). +4.1K installs in the last 7 days. Rated 4.6 from 170K ratings. Released Jul 18, 2023. Install growth, rank history, SDKs and ad networks.

From the store listing: “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…”