Go to Cartoon Network's website then find the Ben 10 alien force icon wait for it to load then go a little bit down on the screen until you see another icon called Ben 10 alien force game creator then click on it
type ben 10 game creater ultimate
the ben 10 game dowelod and play
no
no i think that's all the aliens 4 the game
please try this answer http://wiki.answers.com/Q/Where_do_you_play_ben_10_game_creator&updated=1&waNoAnsSet=2
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No sorry But there is a game that you can play at ben,Kevin and Gwen and it's (ben 10 alien force)
PS2 does have a game for Ben 10 Ultimate alien
go to www.cartoonnetwork.com and go to ben 10 games then forever defence.
Can
At game gape The steps are: go to Google and type ben 10 alien device English play ben 10the alein device English:click
At bandai.com, go Ben 10 classic, then go to DNA Lab.