The game play was weird, but the story was incredible: During the game the dialog kept in a one and great, but how you do choose of (from all the keyboard keys) to assign the backspace for shooting, and why the white snow blur on the whole wide screen still after the bullet has gone?
If you would like to use some other game engine than Unity, here are some behind the link: https://www.gamedesigning.org/career/video-game-engines/
You sure have the cool team and nice ideas, and hope you to join more into Jams and share the creations.