Mod «Alpha Animals» for Rimworld (v1.2 - 1.4)

Alpha Animals

Adds 100+ new, vanilla-friendly creatures to the diverse biomes of your Rimworlds. The philosophy of this mod is that every new creatures tries to bring some new mechanic into the game, whether it be walking tanks, living resource farm, indestructible plant monsters, night time stalkers, or plain speedy giant spiders. Some of the mechanics are simple, others much more complex.

These animals will spawn in certain biomes, some others will only be available via traders. You'll have to explore to find them all! The Alpha Biomes is a companion mod that adds several new alien biomes to house these weird creatures.

Bear in mind that spawn probabilities have been calculated with no other animal mods installed. If you have, for example, Vanilla Animals Expanded, less animals from this mod will appear, obviously.

The mod will also add new insects in a new faction, the Black Hive. Raids from that faction can be disabled via Mod Options.


Version 29.10.22 for Rimworld (v1.2 - 1.4)


Version 19.10.22 for Rimworld (v1.2 - 1.4)

  • Fix: Removed summoned mammoth worms as pack animals
  • Fix: removed demolisher achievement, as it no longer exists in the mod


Version v4.102 (15.10.22) for Rimworld (v1.0 - 1.4)

  • Fix: Re-added the slurrymaster, which was accidentally removed with the mechs' removal.
  • Fix: added a check to the crescendo anole's hediff so it isn't added to other animals / colonists.


Version v4.101 (14.10.22) for Rimworld (v1.0 - 1.4)

  • Fix: Animal toggles should be working now
  • Fix: Ironhusk beetle and moribund Gallatros won't eat Gauranlen trees now.


Version v4.1 (13.10.22) for Rimworld (v1.0 - 1.4)


- Added: the six animals from the _Forsakens: Fauna_ mod are now part of Alpha Animals.
- Thunderox: a sturdy farm animal that produces dark milk and wool
- Dark vandal: a strong porcine creature that digs for black truffles
- Murkling: a pest that transmits the plague and dissolves corpses around
- Behemoth: a gargantuan dragon like creature used as a beast of burden by Forsakens
- Dusk prowler: a swift predator, cousin of the Nightling
- Shadow charger: a ram-like animal that produces a lot of tasty black milk.


Updated to RimWorld 1.4
Removed support for RW 1.0 and 1.1 to save disk space, as the mod was getting too big, and no one in their right mind is playing such old versions
Removed: Alpha Mechanoids are no longer part of this mod, and they will return in the future as their own independent mod!
Added: proper credits to old animal images that were based on drawings: Atispec, Overgrown colossus, red spore, bobeene
Fix: sound on ocular eruption psycast was failing.


09.09.22 (1.0-1.3)


Version 07.09.22 for Rimworld (v1.0 - 1.3)

  • Added: Compatibility with Vanilla Psycasts Expanded, adds four new psy paths, all with Alpha Animals themed psycasts, for a total of 35 new psycasts:
  • Herald of the Black Hive: adds 8 abilities, related to the Black Hive. Most of them are summoning abilities
  • Oculist: adds all sorts of new ocular abilities (7 psycasts). If Ideology is found, this path requires the colonist to have the Biological Corruptors meme. The whole psycast path is a LOT more useful if you have both Ideology and Alpha Biomes
  • Ravager: adds 11 melee psycasts, that can only be used if the caster has a melee weapon equipped. This an adaptation of the Melee Psycasts mod by Martin Harris, used with permission
  • Xeno-seer: adds 9 animal based abilities that can be applied to colonists and other animals. For example, you can make a colonist electrified like Tetraslugs, feed on sunlight like needleposts or regenerate like a raptor shrimp, plus a few ranged abilities such as spitting acid or SHOOTING A GIANT LASSSSEEEEERRRRR.
  • Added: Alpha Biomes rock types will be useable to make the ocular floor
  • Tweak: the mech sappers incident will try to scale to colony wealth, from 1 mechs to 10 mechs (+demolisher)
  • Fix: Mammoth Worm lable had uppercase
  • Fix: summoning psycasts all have a range of 20 tiles now (from 999)
  • Fix: Ocular eruption psycast has a 15 goodwill impact as it is a hostile action
  • Fix: Ravager psycasts can't target buildings. Skewer psycasts can't target mechs either as they lack a torso
  • Fix: Black Hive insectoids won't emerge from cocoons with old age scars


Version 28.05.22 for Rimworld (v1.0 - 1.3)

  • Fixed


Version 28.05.22 for Rimworld (v1.0 - 1.3)


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