Best Buy Exclusive Cheat Codes
     You  got  these  two cheats if you purchased Tony Hawk's Downhill
Jam  from  Best  Buy  stores.  Just go to "Skateshop" on the main menu
screen.  Then  to  "Buy  Stuff" and then to "Enter Code" and enter the
following codes:

BIGSNOWMAN         Unlock Abominable Snowman Outfit(s)
ZOMBIEALIVE        Unlock Zombie Skater Outfit(s)

Target Exclusive Cheat Codes
     You  got  these  two cheats if you purchased Tony Hawk's Downhill
Jam  from  Target  stores.  Just  go  to  "Skateshop" on the main menu
screen.  Then  to  "Buy  Stuff" and then to "Enter Code" and enter the
following codes:

SNOWSK8T           Unlocks the "Always Snowskate" Cheat
MIRRORBALL         Unlocks the "Mirrored Maps" Cheat