Grim Defender: Castle Defense

Name: Grim Defender: Castle Defense
Rating: 4.2708335 (29237 reviews)
Author: BYTEGHOUL GAMES

BYTEGHOUL GAMES

★ 4.3 (29,237 ratings)

⬇ 1,000,000+ downloads

Est. actual: 2,627,430

Style: Strategy

Free

Released: Aug 30, 2017

IAP: $1.49 - $49.99 per item

Contains ads

Rated: Everyone 10+

Mechanics Tower defense Idle / incremental RPG & hero collector

Signals

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

📈Last 7 days +598 installs — 10% slower than the week before (+661) · 95/day since Sep 18
🏆Among Strategy games top 21% by installs gained this week (10406 peers growing)
⭐Rating steady at ★ 4.27 since Sep 18
🛠Updates actively updated · updated 14 days ago · every ~112 days (2 updates tracked)

Installs since launch

+5,306 installs · +43 ratings since Sep 18

SDKs in the app · version 1.92, analysed Oct 6, 2026

Ad mediationAppLovin MAX ironSource / Unity LevelPlay
Ad networkAppLovin SDK Google Mobile Ads (AdMob) 25.4.0 Meta Audience Network 6.21.0 Mintegral Moloco Ads 4.9.0 Unity Ads 4.18.1
AnalyticsFirebase Analytics 23.2.0
AttributionTenjin
ConsentGoogle User Messaging Platform 4.0.0
Game enginelibGDX
PaymentsPlay Billing Library 7.1.1

7 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 → AppLovin 4.9.0.0AppLovin MAX adapter → UnityAdsAppLovin MAX adapter → UnityAds 6.21.0.0AppLovin MAX adapter → UnityAds 25.4.0.0AppLovin MAX adapter → UnityAds 9.4.4.0.0AppLovin MAX adapter → UnityAds 17.1.61.0AppLovin MAX adapter → UnityAds 4.18.1.0

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

Update history

1.93 Oct 30, 2026

- Bug fixes & performance improvements.<br>- Updated SDKs.

1.92 Jul 10, 2026 · seen Sep 18, 2026

- Bug fixes & performance improvements.<br>- Updated SDKs.

Trailer

Grim Defender: Castle Defense screenshot

Grim Defender: Castle Defense is a strategy game by BYTEGHOUL GAMES with 1,000,000+ downloads (about 2.6M estimated). +598 installs in the last 7 days. Rated 4.3 from 29K ratings. Released Aug 30, 2017. Install growth, rank history, SDKs and ad networks.

From the store listing: “Defender! Are you ready to defend your castle? In this fast paced castle defense game you requires strategy and skill. Endless hours of action await you! Upgrade and grow your castle, defend against endless waves of monsters, gather resources, improve your defense, equip and combine dozens of crossbows, spells, traps,…”