S Tier

Divine PetEnd-game collectionHighest tier in the variant ladder. No specific IDs verified publicly.Eternal PetLate-game incomeExtreme acquisition difficulty. Late-game income + collection.

A Tier

Secret PetAdvanced farmAdvanced farming target. Tier list references exist but no ID list.Mythic PetLate-game carryReported earns ~$500,000/s with full boosts. Biome 4 target.

B Tier

Mutated PetMid-late progressionBase mutation chance ~2%, doubles at Speed 150. Visual mutation + stat boost.Huge PetCollection upgradeSignificantly oversized. Strong income progression when matched to a high base.

C Tier

Rare PetMid incomeRaccoon is the canonical example: ~74/s, slow but stable.

D Tier

Starter PetFirst incomeHatch before anything else. A producing pet > an empty slot.