Madness Regent

Madness Regent is a platforming and shooting game in which you play as a cool dude who shoots down everything in his path. Survive a barrage of opponents in order to activate the final boss and beat the crap out of him.

 
Controls

• Left and right arrow keys = move left and right
• Up arrow key = aim gun upward
• S = jump (can be double-tapped for a double jump)
• A = shoot