Enter the following as passwords:

NSRLSAll weapons
MMLVSRMMaximum ammo
THDTSTTest information
DRVLLVSMMMini mode
TNSLDRSPlay as Tin Soldier
GRNGRLRXPlay as Vikki
PLSTRLVSVGPlay as Plastro

Level Passwords:

LNLGRMMAttack  
TRGHTRSpy Blue  
TDBWLBathroom  
MSTRMNRiff Mission   
TLLTRSForest  
SCRDCTHoover Mission   
STPDMNThick Mission   
BLZZRDSnow Mission   
SRFPNKShrap Mission   
GNRLMNFort Plastro   
HTTTRTScorch Mission   
ZBTSRLShowdown  
HTKTTNSandbox  
PTSPNSKitchen  
HXMSTRLiving Room   
VRCLNThe Way Home  - Also gives you all characters in multi-player 

GameShark Codes

Enable Code f10507cc2400 
(Must Be On)

All Weapons 8115969e0001 

Start With Max Ammo 8115fcbe0001 

Immortal (Invincible) 8115fcee0001 

Infinite Continues  811596920001 

Invisible           811596820001 

Tin Solider         811596a20001 

Play As Vikki       811609a20008 

Play As Plastro     811609a20009 

Play As The Big     811609a20007 
Green One


Incendiary Bullets  80054c94 0001 
 

Thanks to Revolution readers Kenny Littleton, Francis, DKao, Kevin Egan, Peter

Porker, Sam Plummer, Agdaga, Jake C.Gust, Geoffrey Helms, Fritziquetal, Scott

Pinkelman, Nate Danforth, and Morton Mcdaniel!