Play Square Bird Online Game. One of many Reaction time Games to play online on your web browser for free at KBH Games. Square Bird is also a cross-platform game that be played on a mobile phone, tablet, and computer. Tagged as Animal Games, Arcade Games, Avoid Games, Bird Games, Endless Games, One Button Games, Reaction Time Games, and Run Games. Square Bird Game App is also available for your Android and iOS device on the GooglePlay and Apple App Store. Upvoted by 818 players. Other games you might like are Push the square and Square Boxing. No download or installation needed to play this free game. Hope this game brings a little joy into your daily life.