Carl Jii-San no Soratobu Ie (DS)
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This game is titled Up in North America, Europe, Australia, and Carl Jii-San no Soratobu Ie in Japan.
Press B, Y, B, Y, X, Y, X, Y, B, A at the starting screen to have invincibility, all gadgets, and a full dog meter always. Note: This will also prevent the game from being saved.