Get more weapons:|
To get more powerful weapons pause during the game, go to the option menu and highlight Auto Targeting and press R, R, L, R, X, Y, Z, X, Y, Z
Get all 4 runes:
To get all four runes and access to all of the episodes, go to the House Of Chthon and stand where the first rune is normally sitting. Now pause the game and highlight Customise Controls, and press R, Z, L, X, Y, L, R, Y, L, R
Get the map:
To see the map, pause the game and highligh Customise Controls and press L, R, L, R, Z, Y, X, X, Y, Z.
Zero gravity mode:
For zero gravity mode, pause the game and go into the options menu. Now highlight Look spring and press R, R, L, R, X, Y, Z, X, Y, Z