Pause the game and type "GIVE ME INFINITES" and press 'RETURN'.
This will give you infinite credits. Press 'X' to skip levels. 
08:59:06
16-BIT. 100 % HERZ // KICKSTART 3.1 // WORKBENCH LOADED
Pause the game and type "GIVE ME INFINITES" and press 'RETURN'.
This will give you infinite credits. Press 'X' to skip levels.