Since I can't work on the project at the moment, I'll show some progress I made with the engine a while ago. (Please note that this is unfinished and can drastically change.

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Writing by @QuinUT

Fight Bar, Buttons by: @karakun

Monster sprite by: @kassheart (I don't know if I can use them, if not then I will change the sprites)

"Enemy Approaching?!" by: UNDERTALE: Halloween Hack (I don't know if I can use the music, if not then I will change it)