A smaller ad-supported FREE version of our challenging puzzle game!
Utilize your puzzle solving skills to place your bugs and infect the entire circuit board.
Place your bugs to take control of tiles on the board and watch the infection spread. The puzzles start off at a beginner level and build to challenge your skills. Watch out for tripping infection-repelling switches and board-resting defense tiles!
Earn achievements in the 32 available classic levels in this free version. Play again and again to beat your best times in free play mode, and challenge your friends to get the best times. Fun for any puzzle lover.