1,656 ratings
Alpha Mythology
Mod, 1.4, 1.5
File Size
11.583 MB
Aug 1, 2019 @ 12:40am
Mar 27 @ 1:36pm
32 Change Notes ( view )

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Alpha Mythology

In 1 collection by Sarg Bjornson
Mods with Vanilla Achievements Expanded support
38 items

UPDATED 13/10/22


Adds 25 new creatures to the diverse biomes of your Rimworlds, all of them based on mythological and magical creatures from different ancient cultures and sources. Similar to Alpha Animals, the philosophy of this mod is that every new creature tries to bring some new mechanic into the game, whether it be fire breathing cattle, acid and poison spewing behemoth, or faster than average steed. Some of the mechanics are simple, others much more complex.

Animals will spawn with different rates in different biomes, and should appear at about half the rate as vanilla animals (wolves have been taken as a benchmark, not rats).

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.


There shouldn't be any. Balance is obviously always a concern, although it has been playtested. Feel free to tell me if you think something is too wacky.


You can see all the details of these creatures in the RimWorld Bestiary Wiki:


Plans for the future

Obviously, more animals!


None detected

Compatible with A Dog Said...
Compatible with the implants from Vanilla Genetics Expanded and gene extraction
Compatible with Alpha Biomes
Compatible with Advanced Biomes
Compatible with Lords of the Rims - Elves (mallorn biome)
Compatible with A RimWorld of Magic (animals drop Raw Magicyte)


Chinese uploaded by 22点下

Preview pic by Oskar Potocki
Some sounds by Mike Koenig at http://soundbible.com
Some sounds by Stephan Schutze at http://soundbible.com
Fire sound by JaBa at http://soundbible.com/1902-Fire-Burning.html
Horse sounds by soundslikewillem https://freesound.org/people/soundslikewillem/sounds/418428/
"Horse Whinny, Close, A.wav" by InspectorJ (www.jshaw.co.uk) of Freesound.org

Thanks to Oskar Potocki for his encouragement to start using vector based graphics

v4.0: Updated to RW 1.4
v3.2: Added the Stymphalian bird. Bugfixes (17/09/22)
v3.01: Added 9 new animals. Complete overhaul of the ranged animal system (04/02/21)
v2.301: Added 8 new achievements for Vanilla Achievements Expanded (15/11/20)
v2.3: Added three new animals, Catoblepas, Cerberus and Ceryneian Hind (10/09/20)
v2.2: Updated for RimWorld 1.2 (11/08/20)
v2.1: Retextured whole mod with vector graphics. Reduced Griffin chirping. Added leather beauty values (23/03/20)
v2.0: Updated for Rimworld 1.1 (20/02/20)
v1.02: Rolling down Verb Expansion Framework for the time being (22/08/19)
v1.01: Swapping to Verb Expansion Framework. Bugfixing and balancing (22/08/19)
v1.0: Release version (27/07/19)
v0.1: Prerelease

Popular Discussions View All (1)
Jan 15 @ 4:51pm
PINNED: Bug Reports
Sarg Bjornson
Sarg Bjornson  [author] Mar 28 @ 11:56pm 
On 1.4? yes. On 1.5, no
that bird guy Mar 28 @ 6:27pm 
Does this mod currently have any achievements? When i open the achievement tab and open this mod, the page is blank.
Sarg Bjornson  [author] Mar 27 @ 1:36pm 

Updated for RimWorld 1.5
Tweaked mod options to add animal icons, a search bar, and a spawn commonality multiplier, similar to the ones in Alpha Animals
Readded the Vanilla Genetics Expanded patch, which vanished into the ether at some point
Mewlyar Mar 20 @ 5:11pm 
Okay! Thanks! Both for the fast response, the update, and the reassurance that I'm not going crazy! :) I'm not computer savvy at all and went into the files trying to work out where the patch should be so I'm glad I also wasn't just being blind XD
Sarg Bjornson  [author] Mar 20 @ 2:45pm 
Well... huh... the patch is just... gone... That's SO weird. I'll remake it for 1.5
Mewlyar Mar 20 @ 2:38pm 
I saw in the notes for this mod that it's compatible with the gene extraction from Genetics Expanded. I've tried uninstalling and reinstalling both mods, deleting their folders and forcing Steam to reinstall them, and I still don't see the gene extraction on the mythological animals or their information on other extracted gene lists. I do use other mods, and I've also tried just running these two mods, and no dice. Any ideas please?
Ithundalië Feb 18 @ 1:01am 
Would it be possible to add a slider like Alpha Animals has to adjust the frequency? I understand the 1x idea is for them not to be rare, but it seems many players like them to be rare.
Vlad_1492 Jan 24 @ 2:00am 
@PearificPear thank for the link.
The Erymanthian Boar is a meat machine that produces about 3x what it eats.
PearificPear Jan 7 @ 10:44pm 

Use this mod if you want to make any tweaks you feel are necessary.

Klao15831 Jan 7 @ 7:03pm 
Really love this mod, but one question.
Why do cerberuses breed like rabbits?