How to cheat ?

Just start a new game, or continue a previous story ...
When you are in game, push "p", then the game will pause with grey screen.

While pushing "Spacekey", choose your level by pushing from
- F1 to F10 ; for Level 1 to 10
- 1 , 2 , 3 ( not the PAVNUM key ! ) ; for Level 11 to 13
- 4 ( not the PAVNUM ! ) ; for the end


Just know that a cheat will kill your game pleasure ...
Use cheats with moderation, and only if you finished the game ... or just to skip one level if you really can't finish it ;)