Before starting a mission, go to the shop. Pause game play, then enter one of the following codes to activate the corresponding cheat function.

500,000 Studs
Press B, Y, A, X(2), A, Up, Down, Left.

Invincibility in Avak's Stronghold missions
Press Y, B, Y, Right, Up, Down, A, X, LT.

Invincibility in Hakann's Volcano missions
Press RT, LT, B, X, A, Up, Left, Right, Y.

Invincibility in Reidak's Desert missions
Press A(3), B, Down, Left, Y, X, Right.

Invincibility in Thok's Mountain missions
Press X(2), Y, Up, A, B, RB, LT, X, Right.

Invincibility in Vezok's Coastline missions
Press LB, RT, B, A, Y, Left, Down, B, X.

Invincibility in Vezon's Awakening
Press RB, A, X, Y, Right, Left, B, LB, Left, Right, Down.

Invincibility in Zaktan's Jungle missions
Press X, LB, RT, A, B, Down, Up, RB, Y.