Mario Bros - Just For Fun: Super Battle Bros is an unofficial fan game. It is a fighting game.

Having not been bothered by any sort of villain for a while, the Mario Brothers have been a bit bored. They, along with a mysterious clone of Luigi, are not really up for normal sports, so they decide to do something a bit different - fight!

Features:
- Loads of options
- Customizable controls
- Power-ups that can be combined
- Sprite styles that adapt to the arena being played on
- 3 game types
- 11 battle arenas
- Alternative arenas that can be found by holding the kick button and starting the fight on certain arenas
- Up to three players if you have USB controllers
- Extra AI options for when 3 fighters just isn't enough

Game Types:
- Slayer: Last man standing wins!
- Coin Battle: First to collect a set amount of coins wins!
- Score Attack: First to reach a set score wins!