OVERVIEW

All normal stages except for Commencement (so not including any Hidden Realms or other stages that don't advance the stage count once you clear them) will roll for either vanilla or a variant. Commencement has a single variant that will always be on. If desired, any color scheme (including the vanilla stage) can be disabled in config.
If a variant is selected, changes are made to post-processing (mostly RampFog), global lighting, and (if needed) individual props to alter the stage's appearance. For example, the variants included for Titanic Plains are inspired from various trailers - an orange one from very early footage of the game, and an overcast one vaguely similar to the console trailer.
Once a variant is used, it cannot be chosen for the next time the stage is loaded unless there are no other options.
Some unused stage props (most notably the border statues in Abandoned Aqueduct) may be enabled.

TODO

Add more variants
Add Risk of Options support
MAAAYBE network the variants

KNOWN BUGS

Light effects on the crystals in Night Distant Roost do not have shadows. This is vanilla behavior, and I've decided to leave it in to aid visibility
Certain stages still have clashing spots on the skybox. Probably most notable in Rallypoint Delta
The water in Rallypoint Delta does not change color with the stage. I have no idea how to fix this
Setting Titanic Plains Bridge Chance to 100% makes no interactables spawn. I have no idea how to fix this

SHOUTOUTS

Everyone who provided variant ideas (HIFU, FMRadio11, Jaysian, HeyImNoob). Having existing content to work with is significantly easier even if it's just basic color ideas

0.4.0 Patch Notes

Tweaked Commencement lighting
Separated Titanic Plains Vanilla changes into its own variant - Sunrise
Added Void Roost
Added Nostalgia Plains
Added Void Aspect
Added Hell Pools
Added Titanic Meadow
Added Green, Blue, Pink Locus

0.3.0 Patch Notes

Updated to SOTV
Tweaked Green Acres, Night Meadow and Commencement
Added Night Forest, Extra Snowy Forest, Crimson Forest
Added Night Sanctuary, Twilight Sanctuary, Sunrise Sanctuary
Added Coral Pools
Revived the mod and changed the owner ig
Optimized code somewhat, still a mess though

OVERVIEW

All normal stages except for Commencement (so not including any Hidden Realms or other stages that don't advance the stage count once you clear them) will roll for either vanilla or a variant. Commencement has a single variant that will always be on. If desired, any color scheme (including the vanilla stage) can be disabled in config.

If a variant is selected, changes are made to post-processing (mostly RampFog), global lighting, and (if needed) individual props to alter the stage's appearance. For example, the variants included for Titanic Plains are inspired from various trailers - an orange one from very early footage of the game, and an overcast one vaguely similar to the console trailer.

Once a variant is used, it cannot be chosen for the next time the stage is loaded unless there are no other options.

Some unused stage props (most notably the border statues in Abandoned Aqueduct) may be enabled.

KNOWN BUGS

Light effects on the crystals in Night Distant Roost do not have shadows. This is vanilla behavior, and I've decided to leave it in to aid visibility

Certain stages still have clashing spots on the skybox. Probably most notable in Rallypoint Delta

The water in Rallypoint Delta does not change color with the stage. I have no idea how to fix this

Setting Titanic Plains Bridge Chance to 100% makes no interactables spawn. I have no idea how to fix this