Wayne Gretzky's 3D Hockey

Extra teams:
Hold L and press [C-Right, C-Left(2)] three times at the options screen. The tenth digit of the "Specials" option will change to the number "1" to confirm correct code entry. The Williams Entertainment, Canada, USA, and 99er teams will be available for selection.

Invisible players:
Pause the game during the opening face off and select the replay option. 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.

Constant fights:
Hold L and press C-Right, C-Left(2), C-Right, C-Down, C-Up(2), C-Down, C-Left, C-Right(2), C-Left, C-Right, C-Left at the options screen. A fight will break out at regular intervals.

Player trades:
Hold L and press C-Down(2), C-Up(2), C-Down(2), C-Right(2), C-Down at the options screen. The eight digit of the "Specials" option will change to the number "1" to confirm correct code entry. Return to the main menu, select the records option and enter the team stats screen. Press C-Up(10). A modify teams menu will appear. Highlight a team and press A, highlight a second team and press A again. The first team's roster will appear on the left side of the screen. Press B to change the team on the right side of the screen. Press Up or Down to highlight the player to be replaced; press Left or Right to highlight the replacement player. Press A to make the trade. Press Start to advance to the next team to modify. Note that only two custom teams can exist at once.

Two-player practice mode:
Highlight practice mode on the main menu and press A on controllers one and two simultaneously.

View developers:
Press A(20) at the title screen.

View company sponsors:
Press Z in the options, setup, or audio menus. An advertisement will scroll across the lower part of the screen. A different ad appears each time Z is pressed.

Guaranteed goal:
Place the player with the puck between the face-off circles and press A + C-Down.

Lose game:
Pause the game and enter the options menu. Hold L and press C-Left(9). The seventh digit of the "Specials" option will change to the number "1" to confirm correct code entry. Resume game play. The score will change to "Them 1 - You 0" and the game clock will be set to "0:00". To activate this code without ending the game, use it immediately after a goal or at a face-off before the puck is dropped.

Opponent choice:
Enter the team select screen. Then choose an opposing team and press the C-Right(3). Select your team, and start game play.

Re-center screen:
Hold L + R to re-center any screen. Release both buttons to keep the screen in its new position. Hold L + R again to return to normal.

Adjust screen position:
Hold L + R and move the Analog-stick to shift the screen. Release L and R to lock the screen in that position. Press L + R again to return to normal.
Information in this section was contributed by ryne182.

Quick game:
Enter main menu and highlight the play game option. Hold any C button and press Start. A game featuring Wayne Gretzky and the New York Rangers will begin.

Change player appearance:
Press C-Down + R, C-Left + R or C-Up + R at the options screen. Modify the first six bits of a 16-bit register to change the game be 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	Effect
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

Hint: Fight finishing moves:
During a fight, when your opponent is low on health, hold A + B while rotating the Analog-stick. Your player will either knock the other man into the ground and use him as a punching bag, or he may spin and do an uppercut.

Hint: Power shot:
Hold A button press C-Down when you a have white under you in the star.
Information in this section was contributed by Dirtdude51.

Hint: Power check:
Press C-Left when the other player or CPU has the puck and you have white in your bubble.
Information in this section was contributed by Dirtdude51.