G:Double Dragon 3: The Power Stones

C:Infinite Health P1|045D:50|Dlong & Phil The Hammer|
C:Infinite Health P2|045E:50|Rune|
C:Infinite Nunchuks For Billy|06DF 05|Phil The Hammer|
C:Infinite Iron Claws For Chen|06E3 05|Phil The Hammer|
C:Infinite Shurikens For Ranzou|06E1 14|Phil The Hammer|
C:Any Enemy Or Boss Dies In Any Knockdown|0460 00<BR>045F 00|Phil The Hammer|
C:P1 Character Modifier|0074:XX|Rune|Turn this code on once you're in-game and you'll be fine. Change it back to Billy if you're going off-screen. If you don't, you will automaticly die. DO NOT PAUSE THE GAME! Pausing the game might crash it.<br><br>If you want no crashing, use this code with the codes to unlock Ranzou, Chin, or Jimmy.<br><br>00 - Billy<br>01 - Jimmy<br>02 - Ranzou<br>03 - Chin<br>04 - Hiruko (he can't fight)
C:P2 Character Modifier (See Above Note)|0075:XX|Rune|
C:Automatically Beat Level|00F6:01|Rune|
C:Super Fast Music|0744:9D|Rune|This code will crash if you go into the game.
C:Unlock Chin|04D2:FD<br>04D6:80|Rune|
C:Unlock Ranzou|04D2:FD<br>04D5:80<br>04D7:80|Rune|
C:Unlock Jimmy Lee|04D1:0B<br>04D4:81|Rune|His picture won't be there, but if you try to select a different character other than Billy, the arrow will point to where Jimmy normally is. Get out of the manual screen after selecting the invisible character there, and you'll (P1) now be playing as Jimmy! 
C:Unlock Chin & Ranzou|04D2:FD<br>04D5:80<br>04D6:80<br>04D7:80|Rune|
C:Unlock Jimmy, Chin & Ranzou|04D1:0B<br>04D4:81<br>04D2:FD<br>04D5:80<br>04D6:80<br>04D7:80|Rune| 
C:Stage On Map Modifier|00B5:XX|Rune|04 - Japan<br>05 - None<br>04 - Japan<br>06 - Italy
C:Weird Level Modifier|00F3:XX|Rune|Graphics might be slightly discoloured. You can't move off the screen you start on.<br><br>01 - Outside Brett's Dojo<br>02 - Fight Against Mission 1 Boss<br>03 - Mission 2: China<br>05 - Mission 3: Japan<br>06 - Deadly Bamboo Sticks (Inside, Before Ninja Fight In Japan)<br>07 - Ninja Fight (Inside, Before Ranzou, In Japan)<br>08 - Italy Mission (There are yellow tiles everywhere)<br>09 - Italy Mission (Inside, Near Statues)<br>0A - Mission 5: Egypt (Outside, near tall Egyptian statues, screen half gone)<br>0B - In Egypt (Inside, although you automatically die)<br>0C - In Egypt (Inside temple, in closed room, before final boss)<br>0D - In Egypt (Inside temple, in second closed room, fighting ninjas, before final boss)<br>0E - In Egypt (Inside temple, fighting zombies, after Hiruko has revealed his true intentions)
C:Enemies Can't Punch|0056:02<br>0057:02|Rune|