Pretty good
Creative idea, very fun overall.
However the user made levels have glitches like monsters teleporting which you could fix.
Some very hard levels could be made with this game but limitations do not allow some ingenious ideas for there are many loopholes a user can take to solve the level in a way the creator did not intend.
I also have to point out that there is one song that repeats continuously throughout the entire gameplay. It would be better if there were at least 3 songs in the game because it becomes old very quickly. Thankfully there is a mute button.
For monsters that are going into eternal suffering, their screams are rather silly. An angelic yawn? Goat sounds? Biadadehoo? I know it's supposed to be light hearted but it sounds rather ridiculous.
Despite the problems its well made and I spent a lot of time playing it so good job at that!