Ranked by Income Per Second vs. Difficulty to Obtain.
| Tier | Brainrot / Mutation | Reasoning |
|---|---|---|
| S+ | Diamond Celestial | Game breaking income ($5M+/s). Win condition. |
| S | Celestial, Diamond Secret | Essential for endgame leaderboards. |
| A | Secret, Gold Cosmic | Great mid-late game carry. |
| B | Cosmic, Mythical | Good transitions, easily farmable. |
| C | Legendary, Epic | Filler items for early rebirths. |
| D | Rare and below | Replace immediately. |