If you are playing with the Alpha Animals mod by Sarg Bjornson on the Steam Workshop, you know it is one of the most essential additions to RimWorld, adding dozens of unique, lore-friendly creatures to the game.
Here's the comprehensive tier list for RimWorld Alpha Animals:
A massive utility creature. They produce Helixien gas, which can be hooked up to stoves and generators, providing a renewable, free power source that is much better than chemfuel. 🅰️ A-Tier: High Utility & Superior Combat
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Immune to toxic fallout and highly resistant to insectoid attacks. It excels in mountain bases but lacks utility in open-map biomes. Overgrown Colossus Role: Passive wood farming.
: Provides decent wool and meat, but standard vanilla Muffalos are often safer. ⚠️ D-Tier: Avoid or Process
Excellent performance in specific roles with highly manageable downsides. rimworld alpha animals tier list
: A "trap" animal that appears as a helpful wanderer but eventually transforms into a hostile predator that eats your food and potentially your colonists.
If you run the Giddy-Up mod alongside Alpha Animals, the Meadow Ave jumps straight to S-Tier. Even in the base mod, they are incredibly fast runners, provide excellent wool, and can be trained to haul goods across the map at lightning speeds. They are the premier choice for caravan speed boosts. Role: Combat shock-trooper.
While challenging to tame, the Gallatross is essentially a walking tank. It can destroy raiders, destroy mechanoids, and shrug off damage. It's a late-game titan that guarantees safety. A-Tier: Strong and Reliable Assets If you are playing with the Alpha Animals
A "living uranium farm" that grazes on wild grass. It provides a steady stream of unrefined uranium, which can be a massive financial boost early-game. A-Tier: High Utility & Elite Combat
(All Variants) : These giant spiders produce synthread and have a web-stun attack that is highly effective for crowd control in combat. A-Tier: High Value