Hey I gave your game a quick play. My first impressions are that it seems pretty fun as an arcade shooter/brawler type of game. At first I didn't know what to expect, so the fixed camera perspective threw me off, but it definitely makes sense in the context of this game, and it works well when transitioning to hallways and other rooms. Oh man, and when you go into a straight hallway I got flashbacks to that hammer scene in Old Boy. So you should probably add a hammer :). There was some jankiness around where the player is facing vs aiming vs shooting, but at least it always seems to shoot where I want, even if the character isn't facing that way. The shooting always felt good, and the different guns worked as expected. I think there is room for improvement in the feeling of the melee weapons, and maybe be able to swing faster or something? I just always felt very exposed after a swing. Regarding level design, you've got some good stuff here. My favorite was being able to create a bottleneck on the escalator and just create a pile of bodies. Unfortunately I was stuck after that because of the ropes so couldn't get to any other areas. I think there are a lot of directions you could take this, with new pickups/powerups/abilities, and the extraction mode seems like it would be fun, but I think you've got a good base here. Let me know if you have any questions.