Cheat mode:

Enter a safe house and find the mission replay board at the far right side of
it. Use the letter magnets to spell out the following codes to activate the 
corresponding cheat function. The letters will return to their original position
and a message will appear at the bottom of the screen to confirm correct code entry. 

Effect     Code 	
---------------------------------
LOADOA  - Weapon tier 1 (grenade, nightstick, pistol, minigun, assault, micro 
          SMG, stubby shotgun)
LOADOB  - Weapon tier 2 (Molotov cocktail, taser, dual pistols, flamethrower, 
          carbine, SMG, dual-barrel)
LOADOC  - Weapon tier 3 (mine, chainsaw, revolver, flamethrower, carbine, SMG, 
          dual-barrel)
LOADOD  - Weapon tier 4 (flashbang, bat, pistol, RPG, carbine, micro SMG, 
          stubby shotgun)
BOOMCAN - Explosive Eagle bullets
CASHIN  - $10,000
LIFEUP  - Maximum health
SHELLY  - Maximum armor
COPIN   - Raise wanted level by one star
COPOUT  - Lower wanted level by one star
TEMPEST - Stormy weather
TRIPPY  - Show all drug dealer locations
JUMPHR  - Advance time one hour
JUMPHRS - Advance time six hours
JUMPDAY - Advance time one day