Mario with a gun??? SuperMarioGun game
 

Here is a short fun game called supermariogun . In this game SuperMario carries a big gun and shoots goombas and koopas and evil blue balls. The restart and exit button on the top of screen.
GamePlay
1)Mario kills enemies by firing gun.
2)Mario has unlimited jumping ability.
3)Coins appear after you kill enemies.
Bugs
Not really a bug but game is single-touch controls.