King Of Fighters '95 cheats and cheat codes for Playstation

Win demo menu:
Enter to the Options menu, then go to the Configuration. Then, hold 
L1 + L2 + R1 + R2 buttons to unlock the Win Demo Menu. Sound of a 
beep will confirm the correct code entry. Select the "off" option 
at the Win Demo Menu, to turn off the victory picture, where the 
score is added and the winning team or character is displayed.

Select team play:
at the character select screen, 
Hold Start and press Up + Circle, Down + Triangle, Left + X, Right + Square, 
Up + Circle at the character select screen. Sound will confirm the correct 
code entry. You can select the same character multiple times for the same
team. 

Reset any time
Hold Circle + Square + X +Triangle and push Select to return to 
the main menu.

Unlock Omega Rugal and Saishu Kunsanagi bosses as playable characters:
Select "Yes" for the "Team Edit" option when you are at the character 
selection screen. Hold Start and press Up + Circle, Right + Square, 
Left + X, Down + Triangle to play as any Boss.