Wire frame mode
When selecting your character, hold L1 + L2. Hold these buttons until the fight begins. Now your character will appear as a green wire frame and the perspective will be from behind your character (looking through them).
Big head mode
When selecting your character, hold Select. Hold this button until the fight begins. Now your character will have a big. For a larger head, win a match in big head mode and then hold down Select during your victory pose. Continue to hold Select throughout the character selection preocess until the next match begins.
Note: You must have beaten all of the sub-bosses to use this code.
Completely finish the game by capturing all the characters. Then when selecting your character, hold Select + Up. Hold these buttons until the fight begins. If you entered the code correctly, you will hear the sound of a punch. Use an uppercut or sweep move to send your opponent to skyward.
Theatre mode (Japanese version)
After unlocking all twenty three characters, which includes the hidden characters, save the game. Then, unplug controller two, if one is present. Put the memory card with the Tekken 2 saved game file in the slot one. Now when the text "Namco Presents" appears, hold Up/Right + Select + Circle + X. If you entered the code correctly, a screen titled "Theatre Tekken 2" with a list of game graphic files will appear.
Sub-bosses: To play as any sub-boss, beat the Devil with each character.
Anna: Beat the game with Nina.
Angel: Beat the Devil with Kazuya. Press Punch to select Angel.
Armored King: Beat the game with King.
Baek: Beat the game with Law.
Devil: Beat the Devil with Kazuya. Press Kick to select Devil.
Ganryu: Beat the game with Michelle.
Kazuya: To play as Kazuya, beat the Devil with any sub-boss.
Kimnitsu: Beat the game with Yoshimitsu.
Kuma: Beat the game with Paul.
P.Jack: Beat the game with Jack-2.
Alex and Roger: Start an Arcade Mode game. When you get to the third match, wait until your match winning round. Then, let your opponent beat you down to 5% energy. Once you have done this, quicky KO your opponent. If done correctly, you should hear the announcer say "GREAT!". Now your forth match will be against Roger or Alex. After the match, Roger and Alex will become selectable characters.
|Joker Command||D00CA534 ????|
|Infinite Health P1||800D09EA 006E|
|No Health P1||800D09E8 0000|
|1 Hit Death P1||D00D09EA 006E
|P1 Only Needs To Win 1 Round||800D083C 0002|
|Infinite Health P2||800D1BF2 006E|
|No Health P2||800D1BF2 0000|
|1 Hit Death P2||D00D1BF2 006E
|P2 Only Needs To Win 1 Rounds||800D1A44 0002|
|All 25 Players Selectable||800A3630 FFFF
|Infinite Time||800CAC4A 0036
|Infinite Time to Pick Character||801ED1C0 0449|
|P1 Set Win Marker Modifier||800D083C ????|
|P2 Set Win Marker Modifier||800D1A44 ????|
|P2 Has Disappeared||800D1A22 0001|
|Elapsed Timer Always 00'00'01||800D644C 0000|
|Survival Mode Win Counter Modifier||800D5130 00??|
|Extra Characters||801ED1D4 1A20
|P1 Disappears (Press Select + Up)||D00CA534 1100
|P1 Reappears (Press Select + Down)||D00CA534 4100
|Quantity Digits to Accompany Win Markers Modifier Codes|
|0000 - 0 wins
0001 - 1 win
0002 - 2 wins
0003 - 3 wins
0004 - 4 wins