It's a Beat Em Up.
It exists.
It's kinda boring.
He needs to add more enemies like the charging guy, the one who blocks your punches, the fat guy who spews fire, the jump kicking lady and the huge overpowered elite guy. Also weapons like the baseball bat and throwing knife and bosses and a stage where you go from left to right and discover new backgrounds with envoiremental hazard and destructable furniture with pickups inside.
As is, this is kinda boring because you just fight the same guy 99 times with the same backdrop.