Play Puzzle Sigma Online Game. One of many Educational Games to play online on your web browser for free at KBH Games. Puzzle Sigma is made using Unity technology. Tagged as Educational Games, Logic Games, Math Games, and Puzzle Games. Upvoted by 18 players. Other games you might like are XOR Shape Puzzle and Sheep Puzzle. No download or installation needed to play this free game. Hope this game brings a little joy into your daily life.