Tekken 5 Cheats
To play as Heihachi, beat the game without using any continues.
To get a secret character, beat all the Galaxian ships without getting a double ship.
You will then see the secret boss on the character select screen.
Hold Triangle while playing Galaga for rapid fire.
To play as the sub-bosses, beat Arcade Mode with any regular character and you will earn one of them.
Below is a list to tell you which character gets which sub boss.
Beat arcade mode with Law
Beat arcade mode with Paul
Beat arcade mode with Kazuya
Beat arcade mode with Nina
Beat arcade mode with Jack
Beat arcade mode with King
Beat arcade mode with Yoshimitsu
Beat arcade mode with Michelle
To see Heihachei Fighting at the title screen, hold L1 + L2 + R1 + R2 until the random Character demo fight comes up.
Heihachei will be fighting.
While fighting tap back 2 or 3 times then press square
For two player Galaga, hold Up + L1 + Triangle + X on Controller Two while the game is loading.
To continue Galaga during the loading screen as many times as you wish, press SELECT whenever the screen shows "Number of Hits". If you score 40 ships the first round, the game will automatically go to the next level.