Fight against demons in your crusade to hunt down the Mother of Demons and stop Hell's invasion. As you battle through more than 30 action-packed levels, be on the lookout for enhanced weapons and secrets to help you put an end to the demonic threat.
Currently has frame freezing issues on Proton. ProtonDB, Github. Some bug reports indicate it stabilizes after about two minutes?
Seems to be fine with a reduced mouse polling rate, or gamepad. Either use button combo to switch to 400 dpi mode, or refer to Arch Wiki article. Also remove frame limit in game.