Play Tunnel Mania Online Game. One of many Reaction time Games to play online on your web browser for free at KBH Games. Tunnel Mania is also a cross-platform game that be played on a mobile phone, tablet, and computer. Tagged as 2 Player Games, Avoid Games, Reaction Time Games, Run Games, Skill Games, and Tunnel Games. Upvoted by 31 players. Other games you might like are Rainbow Tunnel and Two Tunnel 3D. No download or installation needed to play this free game. Hope this game brings a little joy into your daily life.