Fumble Mode
Enter this code at the cheat menu to make players fumble the ball constantly: GTNHNDS

Slippery Play
Enter this code at the cheat menu for slipper play: SPRSLYD

Sticky Hands
Enter this code at the cheat menu and your players will always catch the ball: STYCKYHNDS

Unlimited Downs
Entering this code at the cheat menu enables unlimited downs: DWNDRV

Extra Fast Players
To get extra fast players type in MCHLJNSN (Michael Johnson) at the cheat menu. You should hear a confirmation sound to tell you that the trick worked.

Small, Wide Players
To give your players a short, flattened look enter this code in the cheat menu: JPNSMWR

Goliath Mode
Enter "glythmd" (=Golyath Mode) and all the players will be HUGE. The in-game voices and Marv's play-by-play also drop by a whole octave, but the ball and the refs stay normal.

Slow Running Backs
Enter "rnldswzngr" (=Arnold Schwarzenegger) and your running backs will be so slow that if you've got the ball, you're pretty much unstoppable.

Receive on Every Coin Toss
Press START as the coin is tossed and you automatically will receive the ball

Small Midget Mode
Enter "smlmdgt" (=small midget) and your players will all be tiny, while the refs stay their normal size. In addition, all player voices are now high-pitched and Marv Albert sounds like he's been sucking on helium.

Always complete pass
Right before hiking the ball press c-up 5 times and you will throw a complete pass almost everytime.

Tall and Skinny Mode
Enter "bbmntbl" at the Cheat Enter screen and your characters will have a squished, tall and skinny look in the game.

Other Codes (Enter at Cheat Menu)

Effect Code
Eight downs 8DWNDRV
Tall skinny players BBMNTBL
Super defense BGBFYDF
Stronger receivers BGBFYFF
Further dives BGSPRDV
Spinning reciever BGTWSTRS
Better quarterback BRDWYNMTH
Farther jumps CRLLWYS
Unlimited downs DWNDRV
Slow motion FRMBYFRM
Large players GLYTHMD
Fumble mode GTNHNDS
Constant fumbles GTNHNDS
Short players JPNSMWR
Instant passes LDSTRTRK
Disable all cheats LLCHTSFF
Poor defense LLDFSCK
Poor offense LLFFSCK
Ball tipped on passes LWYSTPSS
Fast players MCHLJNSN
Constant dives MNFLDMD
Never tackle NBCTCKLS
Crawling players PBYBYMD
Poor players PWHYRMN
Strong, but slow running backs RNLDSWZNGR
Small players SMLMDGT
Sled mode SNWSLDS
100 yard passes, kicks, and punts SPRBGRMS
Always tackle SPRDPRTCKL
Slippery field SPRSLYD
Super players SPRTMMD
Turbo running SPRTRBMD
Acclaim and Iguana teams STNTXTM
Easier catches STYCKYHNDS
No fumbles TGHTGRP
Poor quarterback TRNTDLFR
Stronger running backs WLTRPYTN
Electric football mode YLCTRCFB
Maximum discipline and awareness stats YNSTYNS