After a marathon of Winter’s Scream closely examining different maps, I have come up with these XP and DP multipliers for them. This is only based off of my experience, so please discuss your opinions and why.
bewitched 180%
Devil’s Reservoir 175%
Shadow’s Decent 120%
Death House 115%
Shadow Requiem 115%
Cyber Complex 110%
Skelotens 105%
Glass Castle 100%
Hill House 100%
Snowyville 100%
Cosmic Collapse 90%
Dark Shadows 90%
Catacombs 85%
Lunar Mineshafts 85%
Monster Mansion 85%
Beach House 60%
Mystic Library 25%
Cryptic Castle (10^-67)% / (1E-67)%