Think you know how to play four in a line? This feature packed game will squeeze your brain for hours thanks to 400+ unique puzzles that will teach you the strategy no matter your initial skill level, different rulesets and board sizes, online multiplayer, tough artificial intelligence and cool themes. Play solo or with a friend, in a phone or a tablet, in the board you like most from plastic to wood and colored pencils. MyBackup Pro integration support to save and restore game state. Already