Days Bygone - Castle Defense

Name: Days Bygone - Castle Defense
Rating: 4.687643 (67189 reviews)
Author: Frivolition

Frivolition

★ 4.7 (67,189 ratings)

⬇ 5,000,000+ downloads

Est. actual: 5,305,068

Style: Action

Free

Released: Apr 9, 2019

IAP: $0.99 - $49.99 per item

Contains ads

Rated: Everyone 10+

Mechanics Idle / incremental RPG & hero collector Tower defense

Signals

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

📈Last 7 days +9.2K installs — 20% slower than the week before (+12K) · 922/day since Sep 21
🏆Among Action games top 7% by installs gained this week (14210 peers growing)
⭐Rating steady at ★ 4.69 since Sep 21
🛠Updates actively updated · updated 21 days ago · every ~35 days (2 updates tracked)

Installs since launch

+47,950 installs · +505 ratings since Sep 21

SDKs in the app · version 2.10.1a, analysed Oct 25, 2026

Ad mediationironSource / Unity LevelPlay
Ad networkUnity Ads 4.21.0
AttributionFacebook App Events 16.3.0
Engagement & messagingPlay In-App Review 2.0.0
Game engineUnity (engine)
Game servicesPlay Games Services 19.0.0
PaymentsPlay Billing Library 8.3.0
SecurityPlay Integrity API 1.3.0
Social & loginFacebook Gaming Services Facebook Login Facebook SDK (core) 16.3.0 Facebook Share Google Sign-In 18.0.0

1 mediation adapter

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

ironSource/LevelPlay adapter → yandex 5.15.0

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

Update history

2.10.1a Oct 23, 2026 · seen Oct 25, 2026

- Halloween Event Returns 29 Oct - 9 Nov! <br>- Bugfixes and improvements

2.10.0 Sep 19, 2026 · seen Sep 21, 2026

- Added the all new VOIDHEX!<br>- MORGAN LE FAY<br>- Heroes now track highest damage and highest stacks achieved! <br>- Bugfixes and improvements

Trailer

Days Bygone - Castle Defense is an action game by Frivolition with 5,000,000+ downloads (about 5.3M estimated). +9.2K installs in the last 7 days. Rated 4.7 from 67K ratings. Released Apr 9, 2019. Install growth, rank history, SDKs and ad networks.

From the store listing: “Join the Defender in this endless Castle Defense with endless hours of non-stop action! Grow your castle against the endless waves, clashing against mobs, Titans and bosses in infinite stages and a competitive leaderboard. ▶ Tap Defense! Controls are as simple as it gets - tap to shoot! Then purchase new equipment…”