Last updated for v0.17. I'm not going to analyse the content differences, since it does not work with current RimWorld, but it is mentioned here for reference/credit/posterity.

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Updated by Fluffysminion for versions 1.2 through 1.4 with new graphics and new mushrooms, now continued by me with her permission.

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A more faithful continuation of the original, maintained by the wizard Mlie.

Substantial differences, including graphics, content, balance, and the underlying code.

Mlie's version uses the original graphics and contains additional non-fungus plants: stone grass, giant leaf, devil's tongue, black lotus, cave vine. (Some of these make a re-appearance in Biomes! Caverns.)

It does not include royal bracket, greyfields, shimmersmoothie, mushroom wine, royal sauce, gleamcap capsules, or fungal garden gravel.

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Biomes! Caverns is a much larger mod than this one, including multiple underground biomes and a plethora of new flora and fauna.

It also includes an integrated version of Caveworld Flora, based on Fluffysminion's update. The version included in Biomes! Caverns is very similar to this one and you should not run both at the same time.

Minor differences include:
- minor balance differences (I'm not going to keep track of exactly what)
- Caverns includes a mushroom logs item which is used in the building recipes in place of regular wood
- Caverns' version of gleamcap smoke is significantly milder and essentially harmless
- Caverns does not include the new global spawn rate slider