All Mini Games 
Press Right, Up, Right(2).

Level Select 
Press Right, Up, Left, Right, Up, Right.

Unlimited Enchanced Vision 
Press Left, Right, Up, Down.

Unlimited Gas Mines 
Press Right, Left(2), Up, Down, Right.

Unlimited Ground Pound 
Press Right, Up, Right, Up, Left, Down.

Unlimited Invulnerability 
Press Down(2), Up, Left.

Unlimited Laser Eyes 
Press Left(2), Up, Right.

Unlimited Stealth Camo 
Press Left, Down(3).

Unlimited SuperBark 
Press Right, Left(2), Up, Down, Up.

原文的大致意思是进入游戏的Extras>Cheat后按上面的组合键可以打开相应的作弊选项

PS:组合键既箭头键
PS2:数字表示按的次数
PS3:激活方式为在游戏中按ESC选择Cheats菜单里要打开的作弊选项
已测有效