Cheat mode:
Use one of the following codes during gameplay:

Result - Code:

Fireworks - victory
Automatically draw a penalty - penalty
Cause an injury - injury
Camera flashes from crowd - flash
Enable pre-game spotlights - spots
Full player attributes - greatskate
Automatically check on contact with opposing player - check
Automatic stick hold on contact with opposing player - grab
Award a goal to the away team - awaygoal
Award a goal to the home team - homegoal
Elongated arms, legs, and necks - mantis
Small players - nhlkids
Large players - bigbig
Zamboni moves on ice during game - zambo

More cheat codes:
Click on "Exit", select "Credits", choose "Programming", then type one of the codes:

Result - Code:

No crowd - nobody
Tall goalies - gulliver
More D3D video resolutions - crankit
Turbo mode - warp9
Enables Internet play- eaonline
Big heads - headbone
Large players - buffed
View the Stanley Cup FMV sequence - 1999
Fast and good players - quicker