What worked:
It controls well. The sound effects and the music (although a bit loud) sound good. I like that you can see enemy spawn points (cracks in the wall, gravestones). I never felt like an enemy came out of nowhere. It also helps to line up where an enemy is coming from. Avoiding the gravestones enemies while waiting for the wall ghosts was challenging. I like that the gravestone ghosts despawned at certain places as opposed to chasing you indefinitely.
What didn't:
The flashlight didn't really add or take away from the game. It was kind of just there.
The game was a bit simplistic, but that's not necessarily a bad thing, especially for your first game! It's better to be simple and well-functioning, than massively over-scoped and a buggy mess. I do wish there was a bit more to it though.
Bugs:
Didn't find any.
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Great job!