Play Hexo Brain Online Game. One of many Brain Games to play online on your web browser for free at KBH Games. Hexo Brain is made using Unity technology. Tagged as Brain Games, Hexagon Games, Logic Games, Puzzle Games, and WebGL Games. Hexo Brain Game App is also available for your Android device on the GooglePlay Store. Upvoted by 29 players. Other games you might like are Brain Trainer and Brain Drain. No download or installation needed to play this free game. Hope this game brings a little joy into your daily life.