Item description:

From 360GS - Tutorial

Load the saves and complete the specified missions on easy, you don't need to do anything accept complete the mission. They are broken up so Worm and Moth Hunter aren't out of order.

Its pretty self explanatory, load the saves IN ORDER.

They Unlock in Legit order, the level u beat is the level you get. No need to pick up the medallion things, or kill the Moth or Worm. Just beat each level on easy with cheats on.

Cheat Codes (Only work on easy, but thats what you should play on)

500 THERMAL ENERGY

Pause the game and enter: Up(2), Down(2), Left, Right, Left, Right, X, Y, RB+LB

INFINITE HEALTH
Pause the game and enter: Down(3), Up, Y, Up, Y, Up, Y, Up(3), Down, X, Down, X, Down, X, Left, Y, Right, X, Left, Y, Right, X, RB+LB

INFINITE AMMO
Pause the game and enter: RT, RB, Y, X, Right, Down, Left, LB, LT, RT, RB, Y, X, Right, Down, Left, LB, LT, RT, LT, LB, RB, Y, Left, Down, X, RB+LB