A new twist on the classic strategy board game, Chain Reaction! Players take turns adding orbs to cells. When your cells reach critical mass, they explode, claiming nearby cells. Win the game by eliminating all your opponent\s orbs in an explosive chain reaction! Once you\ve mastered the classic rectangle boards, you can move on to hexagonal and geometric boards. Master each uniquely shaped board using different strategies and skills. Play against up to 7 friends on the same device, or play against the CPU on one of five difficulty settings for a single-player challenge. Features: - Five square boards to play on, each one with a unique challenge and design - 10+ free boards to play on with square and hexagon grids - New exciting board packs available every few months, each with a unique twist - Free sample available for each new paid pack! - No ads, ever. Consider supporting development by purchasing board packs - 4 XL boards for larger screens, ideal for 5+ players - Super smart AI for dynamic games against the CPU - Helpful tutorial to teach new players the essentials