Madness Regent

a shooting game with platforming elements madness regent lets you play as a cool dude as he shoots down everything in his way in a gauntlet of enemies you must survive in order to activate the final boss so that you can beat the stuffing out of him Developer
Krinkels developed Madness Regent. the platformweb browser

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.