you cant undo cheats but can delete you game when you turn your ds on and press these buttons all at the same to a+b+y+x+l+r your welcome
Yes there are. Search Nintendogs cheats in Google - easiest way!
none
go to google and find it "cheats"
no there are not any cheats I know you might find some unlockables at www.gamewinners.com CHECK IT OUT !
The producers of Nintendogs have not made any cheats for any Nitendog game wow typos much?! anyway work your butt off, lazy, theres no cheats
there is none!
Repeat the cheat.
http://cheats.gamespy.com/nintendo-ds-cheats/n.html I don't know which version you have but scroll down and pick one.
i dont know what that is, but why would anyone wanna undo a cheat??
yes there are some
reload the window :)
get atleast 2500 points