King or Fail - Castle Takeover is a hypercasual idle game where players harvest resources and battle to expand their kingdom. The game features a simple portrait mode interface ideal for short, interruptible play sessions. Progression is driven by idle mechanics, but can be significantly accelerated through in-game purchases and watching advertisements.
Themes from 200 recent Google Play reviews, analysed 28 Aug 2026
What each behavioural tag is based on