Strider 2 Codes -

Cheat mode (Strider 1):
Successfully complete the game to unlock the "Player Set-Up" and "Stage Select" selections on the option menu. "Player Set-Up" allows you to select costume color, the number of energy bars, and the ability to permanently power up your Cipher.

Strider Hien (Strider 2):
Successfully complete the game to unlock Strider Hien.

Infinite Boost (Strider 2):
Successfully complete the game with Strider Hien to unlock the "Infinite Boost" selection on the option menu.

Stage OO:
Successfully complete both Strider 1 and 2 to unlock Stage OO in Strider 2.

Hint: Run on one leg:
Hold Triangle and press the D-pad in direction you want to run.