Have a different opinion? Did a Nightling save your ice sheet run? Or did a Fractal destroy your 500-hour save file? The Rim is vast, and the genes are always mutating. Stay paranoid, stay fed, and never trust the deer.
It induces mental breaks in enemies by radiating a psychic aura of dread. Unfortunately, this aura also affects your own colonists if they get too close, making base management a nightmare. F-Tier: Avoid at All Costs
Useful for turning waste into "nutritious" slurry, but their movement and general utility are limited.
The ultimate boss animal. They are tanks, slow-moving siege engines that can wipe out entire raids with their projectiles. While hard to tame, they are nearly invincible in combat. rimworld alpha animals tier list
: Massive living tanks that produce stone chunks and act as indestructible bullet sponges. However, they are incredibly slow.
: Found in infected biomes. They reproduce uncontrollably and ruin local ecosystems, leading to starvation for your other livestock.
: Electric slugs that short-circuit your electronics when agitated or hungry. The cleanup costs far outweigh their novelty value. To help narrow down your taming strategy, let me know: What biome is your current colony located in? Have a different opinion
These animals offer unique mechanics that often come with severe downsides or high danger levels.
Mammoth Worm, Needleroll. S-Tier: The Colony Game-Changers
Mime, Ocular Jelly, Radyak, Megalouse.
These creatures are either too difficult to tame, eat too many resources, or provide benefits that standard vanilla animals can do better.
This tier list ranks animals based on their utility, combat prowess, handling requirements, and breeding potential.
Practical tips
What are you currently running? (e.g., Genetic Rim, Biomes!)