Чит коды к играм | Чит коды к игре 3D Dot Game Heroes 

At the pause menu:

Alternate walking animation:
While playing, press pause then press L1, R1, L1, R1, L1, L1, R1, R1, Square.

Invisible shield:
While playing, press pause then press Up, Up, Down, Down, Left, Right, Left,
Right, Square, Triangle.

Spelunker mode:
Start a new game and enter SPELUNKER as a name. This mode has alternate
dialogue, death with one hit, and the death sound from the original Spelunker.