I enjoyed the 1-bit style of this one. I also like the music and it compliments the haunted setting. It's calming yet still eerie. I liked the detail of platforms blocking the ray of light from the flashlight.
Like another user said, I agree the flashlight makes it too easy to avoid enemies. The flashlight having a battery that needs to be recharged is a good idea, or you could also introduce faster enemies or enemies/projectiles that are immune to the light.
A small bug I noticed. If you double tap the W key at the beginning of a jump, you'll do a double jump, which I don't think was intentional.
Overall, I enjoyed my time with this. Good job on this one!