Note: This game was also titled Toukon Retsuden and Japan Pro
 Wrestling. 
 
 Power Warrior secret wrestler (Japanese version)
 
 At the title screen, press Square, X, Square, X, Circle, Triangle,
 Circle, Triangle, Up, Down, Left, Right, Select. If you entered the
 code correctly, you will hear the sound of the bell. Now highlight
 the seventh wrestler listed (Lance; Kensuke Sasaki in the Japanese
 version), and press Select. 
 
 Sparrow secret wrestler (Great Muta in Japanese version)
 
 At the title screen, press Circle, Right, Triangle, Up, Square, Left,
 X, Down, X, Down, Square, Left, Triangle, Up, Circle, Right, Select.
 If you entered the code correctly, you will hear the sound of the
 bell. Now highlight the third wrestler listed (Commandant; Keiji Muto
 in the Japanese version), and press Select.
 
 Ring announcer secret wrestler (Gorgon; Kero-chan in the Japanese
 version) 
 
 At the title screen, press L1, L1, L2, R2, R2, R1, Triangle, Down, X,
 Up, Select. If you entered the code correctly, you will hear the
 sound of the bell. Now highlight the tenth wrestler listed (Agent
 Orange; Tenzan in the Japanese version), and press Select.
 
 Referee secret wrestler (Sallie; Tiger Hattori in the Japanese
 version) 
 
 At the title screen, press Up, Down, Left, Right, Triangle, X,
 Square, Circle, L1, R1, L2, R2, Select. If you entered the code
 correctly, you will hear the sound of the bell. Now highlight the
 eleventh wrestler listed (El Temblor; Kanemoto in the Japanese
 version), and press Select.