During gameplay, press ~ and type:
MDK 2: Cheat Codes (English) Free Download
mdkGobSetDamageFilter (mdkGetPlayerGob (), 0) – * Invulnerability
mdkNewGame (1,12) – Jump to Level 1
mdkNewGame (2,12) – Jump to Level 2
mdkNewGame (3,12) – Jump to Level 3
mdkNewGame (4,12) – Jump to Level 4
mdkNewGame (5,11) – Jump to Level 5
mdkNewGame (6,8) – Jump to Level 6
mdkNewGame (7,11) – Jump to Level 7
mdkNewGame (8,8) – Jump to Level 8
mdkNewGame (9,13) – Jump to Level 9
mdkNewGame (10,7) – Jump to Level 10 (Final)
mdkNewGame (11,1) – Jump to Level 10 # 1 (Special)
mdkNewGame (12,1) – Jump to Level 10 # 2 (Special)
KurtGetNaked () – Kurt is Naked, Start a Level with Kurt in it
* You will need to re-enter the code after block changing. Just press ~ and press the Up arrow for the last command entered.