The number of daily spins are limited, but additional attempts and items can be purchased through in-app purchases. In order to build their own game villages or attack the villages of other players, users must spin a slot machine to win coins. Ĭoin Master can be found under the 'Adventure Game' category in the app stores, but uses gambling mechanics. The objective of Coin Master is to win coins to upgrade items in order to build up villages and progress through the levels. Coin Master is the top-grossing mobile game in the UK (since February 2019) and Germany (since June 2019). It has had over 100 million downloads (as of February 2021). Coin Master is a free, single-player, casual mobile game created by Israeli studio Moon Active.