Ben 10 Galactic Challenge is a fun Adventure game, platform cartoon kids alien ben 10 game that you can play free online at. Ben Galactic Challenge is a collection of fast-paced minigames in which you, as one of the Aliens, have to perform various tasks such as collecting items. Play Ben Galactic Challenge. Join Ben 10 in this thrilling adventure and get ready to fight hordes of dangerous enemies in 20 minigames. Good luck!. As far as we remember, this game was not working properly on many websites. However, on our website the game works great and we uploded it for you. Play up to 10 different aliens as you battle your way through tons of levels in Galactic Challenge!. Play Ben 10 Galactic Challenge game online for free now! Destroy all enemies in 20 exciting levels and unlock new aliens in this Ben Take the Galactic Challenge! Ben 10 – Galactic Challenge is a fun Cartoon Game you can play at KBH Games. Starting with Ben 10's first transformation called Swampfire, unlock new aliens to beat this galactic challenge, completing one level at a time.