Fortress Merge: Puzzle Defense

Name: Fortress Merge: Puzzle Defense
Rating: 4.2338843 (58910 reviews)
Author: TapNation

TapNation

★ 4.2 (58,910 ratings)

⬇ 1,000,000+ downloads

Est. actual: 2,391,769

Style: Strategy

Free

Released: Mar 21, 2025

IAP: $0.99 - $109.99 per item

No ads

Rated: Everyone 10+

Mechanics Merge Tower defense 4X / war strategy Roguelike / survivor-like

Signals

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

📈Last 7 days +9.4K installs — 27% slower than the week before (+13K) · 1.8K/day since Sep 18
🏆Among Strategy games top 4% by installs gained this week (9473 peers growing)
⭐Rating steady at ★ 4.23 since Sep 18
🛠Updates actively updated · updated 11 days ago · every ~36 days (3 updates tracked)

Installs since launch

+80,858 installs · +2,150 ratings since Sep 18

SDKs in the app · version 1.0.0, analysed Oct 7, 2026

Ad mediationAppLovin MAX
Ad networkAppLovin SDK Bigo Ads DT Exchange (Fyber)Google Mobile Ads (AdMob) 25.3.0 InMobi Liftoff Monetize (Vungle) 7.7.2 Meta Audience Network 6.21.0 Mintegral Moloco Ads 4.7.0 Pangle 8.1.0.3 Unity Ads 4.18.1
Ad qualityAppLovin Ad Review (SafeDK)
AnalyticsFirebase Analytics 23.0.0 GameAnalytics
AttributionAdjust Facebook App Events 17.0.2 TikTok Business SDK 1.6.0
BackendCloud Firestore Firebase Authentication 24.0.1
ConsentGoogle User Messaging Platform 4.0.0
Crash reportingFirebase Crashlytics
Engagement & messagingPlay In-App Review 2.0.0
Game engineUnity (engine)
PaymentsPlay Billing Library 7.1.1 RevenueCat
PlatformPlay Asset Delivery 2.3.0
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 → AppLovinAppLovin MAX adapter → AppLovin 8.1.0.3.0AppLovin MAX adapter → AppLovin 6.21.0.0AppLovin MAX adapter → AppLovin 25.3.0.0AppLovin MAX adapter → AppLovin 25.3.0.0AppLovin MAX adapter → AppLovin 11.1.0.0AppLovin MAX adapter → AppLovin 8.4.4.0AppLovin MAX adapter → AppLovin 17.0.81.0AppLovin MAX adapter → AppLovin 4.7.0.0AppLovin MAX adapter → AppLovin 4.18.1.0AppLovin MAX adapter → AppLovin 7.7.2.0AppLovin MAX adapter → OguryPresage 1.3.6.0AppLovin MAX adapter → VungleAppLovin MAX adapter → Vungle 5.8.0.0AppLovin MAX adapter → Vungle

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

Update history

1.0.0 Oct 22, 2026

What's new in 1.0.0: - New Card: Smite, the first spell! Tap or drag it into battle to strike enemies with lightning - Late-game levels rebalanced for a smoother challenge - Bug fixes and performance improvements

0.9.2 Sep 24, 2026

What's new in 0.9.0: - Bug fixes and performance improvements - Balance adjustments for a smoother experience

0.8.1 Aug 12, 2026 · seen Sep 18, 2026

What's new in 0.8.0: - New Hero: Esmeralda arrives, available at a special discount for a limited time - New Card: play the Summoning Altar in the limited time Arcane Altar event, and unlock it through normal progression - Link your account to protect your progress and earn a reward - Boss Fight and Heroes Tab: bug fixes and a smoother experience - Spin Wheel milestone now grant

Trailer

Fortress Merge: Puzzle Defense screenshot

Fortress Merge: Puzzle Defense is a strategy game by TapNation with 1,000,000+ downloads (about 2.4M estimated). +9.4K installs in the last 7 days. Rated 4.2 from 59K ratings. Released Mar 21, 2025. Install growth, rank history, SDKs and ad networks.

From the store listing: “Fortress Merge: Puzzle Defense is your next addictive obsession in the world of strategy games! Step into a thrilling realm where every puzzle you solve fortifies your castle defense. Defend your city, merge your way to power, and conquer endless enemies in this action-packed puzzle defense experience. In Fortress…”