Unlocking in Jerry Rice & Nitus' Dog Football is simply a matter of playing the Play Now mode and Season Mode.
All Codes play a sound when entered (usually the Butler says something) .ENTER CODE AT START SCREENCreditsENTER CODE AT PLAY NOW! PLAYER SELECT SCREENGeneric Football FieldCPU VS. CPUENTER CODE AT SEASON OR PLAY NOW! PLAYER SELECT SCREENFurst Person (over shoulder cam)Super SpeedENTER CODE AT SEASON PLAYER SELECT SCREENPlus 3 treats and balls
Golden Cliffs - There is a half broken piece of fence around the 50 yard line. Run through it to release the cow on to the fieldRock & Bark Arena - Jump on one of the mixing consoles to release fog on to the stage.Rock & Bark Arena - At the back of the stage is a small door... hit it to release the raccoon.Serenity Gardens - Near the drums is an odd section of bamboo fence... hit it to release the cow.Pooch Plaza (Mall)- Hit the cage door over by the piano it to release the raccoon.Cirque Du Flea- Hit the small door over by the big clown head to release the raccoon.Waggin' Wheel - Near the train that intersects the fence is an old section of fence... hit it to release the cow.