Change Player Appearance

At the options screen, press C-Down + R, C-Left + R, or C-Up + R. Then, modify 
the first six bits of a 16-bit register to change the game by pressing: 

C-Down + R (head size, alters bits 1 and 2)
C-Left + R (body size, alters bits 3 and 4)
C-Up + R (height, alters bits 5 and 6) 

Register	What It Does

100000	Stocky Players
010000	Stocky Players, Big Heads
110000	Stocky Players, Small Heads
001000	Small Players, Small Announcer
000100	Large Players, Large Announcer
000010	Crunched Players, Small Announcer
000001	Elongated Players, Large Announcer
110110	Large Players, Small Heads, Large Announcer
010010	Crunched Players, Large Heads, Small Announcer
010101	Large Players, Large Heads, Large Announcer
010001	Elongated Players, Large Heads, Large Announcer

Push Goalie

Begin a game in arcade mode. Then, approach your opponent's goal directly with a full turbo meter. Now press Shoot + Pass + Turbo to push the goalie into the net and score one point.

On-fire Goal

Begin a game in arcade mode. Then, approach your opponent's goal at an angle with a full turbo meter. Now press Shoot + Pass + Turbo to see a fire truck appear and score one point.

Forfeit Game

Pause the game. Then at the options screen, hold L and press C-Left(9). If you entered the code correctly, digit seven of the "Specials" number will turn to 1. Now when the game is resumed, your team will be losing 1-0 and the clock will be set to 0:00. Note: This code may have to be entered twice to function correctly.

Invisible Players

Pause the game during the opening face-off and select the replay option. Then, press L or R to cause a player to flash. Press Z while the player is flashing to make him invisible. The entire team can be modified in this manner.

Select Opponent

When playing against the CPU, highlight the desired opponent on the team selection screen and press C-Right(3). If you entered the code correctly, you will hear the sound of a click. Note: This code may not be enabled in Olympic mode.

Quick Start

At the main menu, hold B and press Start. Now the game will start at the face-off screen with Modano (Team USA) under your control.

Multi-player Practice Mode

At the title screen, hold A on controllers two, three, and/or four. While those buttons are held, use controller one to highlight "Practice" and press A.