no you can't unlock other aliens
yes you can be upchuck i got it it kills enemys in 1 hit sept from bosses
no but you can unlock the ben 10 characters villgax version means how the aliens would look if villgax turned into it
to unlock all aliens in ben10 protector of earth for psp of earth enter wildvine 4arms heatblast and wildvine
Unlock Alien Forms: Enter wildvine - 4arms - Heatblast - Wildvine
you can get 5 only but you can unlock upchuck with a cheat
how old r u?? ben 10 is gay!!!! So r u Jerk!
There aren't 10000 aliens.
Actually, you can just enter Square, Square, Triangle, Circle, Square, X at the Cheat Menu in the Extras Menu to Unlock Diamondhead, for more cheats for Ben 10 Protector of Earth (e.g. how to unlock all locations on map, etc.) type CHEATS ON Ben 10 Protector of Earth and send it to CheatMaster101@gmail.com. For Exclusive Cheats for Ben 10 Protector of Earth (e.g. how to unlock Benwolf, etc.) type EXCLUSIVE CHEATS ON Ben 10 Protector of Earth and send it to CheatMaster101@gmail.com
you can only be aliens given!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
after you fight,the big plant you will unlock wildvine
bher ka cheeta
ball fire, stink fly, 4 arms