3D Merge Defense

Name: 3D Merge Defense
Rating: 3.75 (449 reviews)
Author: Serina

Serina

★ 3.8 (449 ratings)

⬇ 500,000+ downloads

Est. actual: 552,073

Style: Casual

Free

Released: Jun 15, 2021

IAP: $1.99 - $39.99 per item

Contains ads

Rated: Everyone

Mechanics Merge Auto battler / merge battle Tower defense

Signals

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

📈Last 7 days +9 installs — 59% slower than the week before (+22) · 2/day since Sep 26
🏆Among Casual games bottom 48% by installs gained this week (40019 peers growing)
⭐Rating steady at ★ 3.75 since Sep 26
🛠Updates dormant · updated 369 days ago

Installs since launch

+99 installs · +1 ratings since Sep 26

SDKs in the app · version 5.4.0, analysed Nov 2, 2026

14 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 5.5.2.0AppLovin MAX adapter → AppLovin 24.7.0.0AppLovin MAX adapter → AppLovin 2025.10.28.0AppLovin MAX adapter → AppLovinAppLovin MAX adapter → AppLovin 5.27.4.0AppLovin MAX adapter → UnityAds 9.0.0.0.0AppLovin MAX adapter → UnityAds 7.16.1.0AppLovin MAX adapter → Vungle 7.7.0.2.0AppLovin MAX adapter → Vungle 6.20.0.0AppLovin MAX adapter → Vungle 8.4.0.0AppLovin MAX adapter → Vungle 16.10.11.0AppLovin MAX adapter → Vungle 4.16.3.0AppLovin MAX adapter → Vungle 7.6.0.0

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

Update history

5.4.0 Nov 10, 2025 · seen Sep 26, 2026

- bug fix

Only the current version so far — new entries appear as the game ships updates.

3D Merge Defense is a casual game by Serina with 500,000+ downloads (about 552K estimated). +9 installs in the last 7 days. Rated 3.8 from 449 ratings. Released Jun 15, 2021. Install growth, rank history, SDKs and ad networks.

From the store listing: “3D Merge Defense is a super addictive Tower Defense game that allows you to Merge Cannon to defeat the Cube army rush! Unlock a variety of cannon in your arsenal. Merge to upgrade the cannon and position tactically to defend against increasingly powerful waves of cubes and deadly bosses. Regardless whether you are…”