Press Start to pause game play, then enter one of the following codes. A sound will confirm correct code entry. Press Start to resume the game with the code activated. Note: Some codes may only be enabled once per game. Refill oxygen: Press X, X, Y, Y, Y. Refill Stasis and Kinesis energy: Press X, Y, Y, X, Y. +2 Nodes: Press Y, X, X, X, Y. +1,000 Credits: Press X, X, X, Y, X. +2,000 Credits: Press X, X, X, Y, Y, Y. +5,000 Credits: Press X, X, X, Y, X, Y. +10,000 Credits: Press X, Y, Y, Y, X, X, Y.