Grindle Oni contains 12 challenging games that will test a player's memory and spatial awareness. Challenge mode presents 120 levels spread over the 12 different games of increasing difficulty. Earn stars in challenges to unlock other features of the game such as Infinity mode, where players can compete for high scores. Tricky Achievements and play Stats round out the Grindle experience and provide the player with hours of brain challenging fun. Source: The Developer Website.