Play Block Spin Online Game. One of many Reaction time Games to play online on your web browser for free at KBH Games. Block Spin is made using Unity technology. Tagged as Reaction Time Games, Spin Games. Block Spin Game App is also available for your iPhone and iPad on the Apple App Store. Upvoted by 11 players. Other games you might like are Dino Spin and Pack a Block. No download or installation needed to play this free game. Hope this game brings a little joy into your daily life.