-Installer? Virus confirmed
-Crashed on auto-startup, worked manually
-Never let Esc quit the game
-Mouse click to advance is disorienting
-Fullscreen is permanent, could go on with the garbage UI
-Could not pickup Molotovs, even though it worked with other items

Game seemed fun and reminiscent of early 2000s, my main problem is the lack of an attention span -- the game feels unstructured and even though has some kind of an atmosphere, I need more incentive. "GO KILL BOSS" could be enough maybe (?). 

"Open source port of a classic DOS overhead shoot-em-up!" that explains it