Manhunt cheats and cheat codes for PC

Cheat mode
Complete the indicated two levels with a 5 star rating in hardcore 
difficulty, after type the following codes at the main menu.

Effect - Levels to complete - Code 
Super Punch - Complete 11, 12 levels - uhithard  
Silence Mode - Complete 3, 4 levels - allrdeaf  
Runner Mode - Complete 1, 2 levels - urunfast  
Regeneration - Complete 5, 6 levels - healback  
Rabbit Skin - Complete 13, 14 levels - bunysuit  
Piggsy Skin - Complete 19, 20 levels - piggsuit  
Monkey Skin - Complete 15, 16 levels - hellsuit  
Maximum Equipment - Complete 9, 10 levels - ugotarms 
Invisibile mode - Complete 17, 18 levels - evileyes  
Helium Hunters - Complete 7, 8 levels - theyboom  

Unlock Bonus Games
To unlock the bonus games, you have to earn 3 star ratings on groups of five 
levels. The games are unlocked thusly: 

Hard as Nails: Get 3 stars on each of levels 1-5. 
Brawl Game: Get 3 stars on each of levels 6-10. 
Monkey See, Monkey Die!: Get 3 stars on each of levels 11-15. 
Time 2 Die: Get 3 stars on each of levels 16-20.

Shoot Locks:
You can use your gun instead of crowbar to open locks.

Easy five star rating in hardcore mode:
Finish the game in Fetish mode, then, activate the "God mode" cheat and 
play the game in hardcore mode. You will be invincible. Kill everyone. 
If you are seen, run into the shadows, execute him, then run through 
the level.