Complete the indicated stages on medium difficulty setting to unlock
the following playable characters in arcade mode:
The Colonel: Finish the 1853 Wild West level
Notre Dame: Finish the 1895 Notre Dame Paris level to unlock
Stone Golem: Finish the 1920 Aztec Ruins level to unlock
Big Tony: Finish the 1932 Chicago level to unlock
Khallos: Finish the 1972 Atom Smasher level to unlock
Mutant TimeSplitter: Finish the 1990 Oblask Dam Siberia level to unlock the
Sadako: Finish the 2019 NeoTokyo level to unlock
Ozor Mox: Finish the 2280 Return to Planet X level to unlock
Machinist: Finish the 2315 Robot Factory level to unlock
Reaper Splitter: Finish the 2401 Space Station level to unlock
Infinite Ammo cheat, Site multi-player level in arcade mode:
Finish the game in story mode in hard mode
Unlock the Paintball cheat:
Finish all challenges and reach minimum a Bronze rating
Unlock Cardboard Characters cheat and the Streets multi-player stage in arcade:
Finish the game on easy difficulty level in story mode
Big Heads, Cloaked Characters cheat, Compound multi-player level in arcade mode:
Finish the game on normal difficulty level in story mode
