Rival Turf (SNES)

Change characters name:
Complete the game and attain a high score. Enter CHRCONF as a name to access a character configuration screen. The names of all characters in the game may be edited. Press Start to begin a game using the altered character names.

Hidden level 4 warp:
Defeat at least thirty enemies. Locate the door on level 4 and press Up to jump to the end of the level to fight the Boss.