See Bloody Hell in vid form, watch here.
"A short but sweet game about an Angel on a Bloody Bullet-hell mission to kill Satan! Dash, Double Dash, Grapple & Blast your way through Hell to fulfill your Holy Mission. Will you be able to kill Satan? Or will you fail to master your abilities and DIE in this BLOODY HELL?"
At a glance categories:
Free to play, Metroidvania, Bullet Hell, Twin Stick Shooter