Animal Checker is a free Android game that combines strategy and competitive elements, where players face off against each other using animal-themed chess pieces. The game features a unique mechanic where players can protect their own pieces while attempting to capture their opponent's animals based on a hierarchy of strength. The objective is to outsmart the opponent by flipping chess pieces and strategically positioning animals on the board.

As the game progresses, players must navigate the rules of engagement, which dictate that if an opponent's animal is of a higher level, it will capture the player's piece. The gameplay culminates in a "death checkerboard" scenario, where the last remaining pieces must contend with the risk of being eliminated. This adds a layer of tension and strategy, making each move critical to achieving victory.