: Giant slugs that consume waste and corpse piles. They clean up battlefields efficiently but move too slowly to assist in active combat. C-Tier: Niche or High-Risk Investments
| Tier | Meaning | |------|---------| | | Game-breakingly good. Worth building a strategy around. | | A | Excellent in a role. Fits many colonies with minor downsides. | | B | Solid niche or good early/mid-game. Outclassed later. | | C | Situational or high-maintenance. Skippable. | | D | More trouble than value. Avoid unless desperate. |
Powerful creatures that excel in specialized roles, though they often require high Animal skill to manage. Gallatross
| Tier | Animal Names | |------|--------------| | S | Aerofleet, Gallatross, Raptor Shrimp, Nightling | | A | Feralisk, Mime, Dunealisk, Black Hive fighters | | B | Clambeast, Nox Slug, Bouldermit, Pack Bruiser | | C | Harpy, Myrmidon, Frostmite, Warg variants | | D | Toxipotato, Fester, Devil Sheep, Napalm Turtle | rimworld alpha animals tier list
: Fast herbivores that provide electric shocks to enemies, often causing cardiac arrest. They are also known to nuzzle frequently, helping with colony mood. Ripperhound
| Animal | Use | |--------|-----| | (Alpha variant) | Same as vanilla but more chemfuel per day. | | Clambeast | High meat + shell defense. Slow. | | Nox Slug | Releases sleep gas on death – nonlethal downing. Risky near your own pawns. | | Bouldermit | Digs overhead mountain (great for mining). Eats rock. Slow. | | Pack Bruiser | High carry weight, decent melee guard. Wildness moderate. |
: The "modded Thrumbo." While extremely dangerous to tame, it is a powerhouse in combat, capable of tanking massive damage and dealing devastating ranged and melee attacks. Its leather is among the best in the game for protection. : Giant slugs that consume waste and corpse piles
Must-tame. Unique abilities that break normal balance.
A cold-biome scavenger that feeds on frozen corpses. It’s a "lifesaver" for cannibal colonies but messy for everyone else.
Pair Tier S Feralisks (for slow effects) with Tier A Bouldermits (to block the path). Worth building a strategy around
: While slow, they act as incredibly durable "bullet sponges" and can provide a renewable source of stone chunks, which is vital in maps with limited ore. The Risk-Reward Tier
These creatures completely alter your colony's economy or defense capabilities. They are high-priority tames.
While standard Aerofleets are fragile, the massive Colossus variant acts as the ultimate biological defense. They possess massive health pools to draw enemy fire. When they finally fall, their death explosion deals massive damage, capable of wiping out tightly packed raiding parties. Role: Crowd Control / Defensive Guard