Best Slimes for Farming Goop (2026 Tier Rankings)
Discover the top slimes for maximizing Goop per hour in Slime RNG. Detailed comparison of every high-value slime with setup tips, zone recommendations, and team compositions.
Contents
Goop is the primary currency in Slime RNG — you need it for rolls, crafting, upgrades, and Rebirth. Optimizing your Goop per hour (GPH) is the foundation of efficient progression. This guide ranks every notable slime by GPH and shows you how to build the best farming setup.
Why Goop Farming Matters
Every major action in Slime RNG costs Goop. Rolls cost Goop, crafting recipes require Goop, and Rebirth demands massive Goop reserves. A player with 10,000 GPH progresses roughly 10x faster than one with 1,000 GPH. Optimizing your farming setup is the highest-leverage thing you can do.
Never sell your high-GPH slimes for their sell value. A Void Slime generates 18,000 Goop/hr — it pays for itself every few hours and keeps producing forever. Sell value is a one-time payment; GPH is permanent income.
Top 5 Goop Farming Slimes
Full Slime Goop Comparison
| Slime | Rarity | GPH | Tier | Obtainable At |
|---|---|---|---|---|
| Galactic Slime | Galactic | 35,000 | SS | Cosmic Zone Roll |
| Void Slime | Void | 18,000 | SSS | Roll in The Abyss |
| Meteor Slime | Celestial | 16,000 | SS | Alien Planet (V1.5.0) |
| Celestial Slime | Celestial | 12,000 | S | Roll in Sky Realm |
| Xenon Slime | Mythic | 7,500 | S | Alien Planet (V1.5.0) |
| Midas Slime | Legendary | 5,000 | A | Roll in Golden Vault |
| Luminescent Slime | Legendary | 4,000 | A | Glow Mine (V1.5.0) |
| Crystal Slime | Epic | 950 | B | Roll in Crystal Caverns |
| Basic Slime | Common | 5 | D | Default Roll |
Best Team Compositions
Your equipped slime team multiplies your total GPH. The right combination of high-GPH slimes and passive-bonus slimes can push your total output well above 45,000 GPH.
- 1Early Game Team (Rebirth 1–5)Crystal Slime (main) + Lucky Slime (luck passive) + Storm Slime (GPH filler). Target GPH: 5,000–7,000.
- 2Mid Game Team (Rebirth 5–15)Midas Slime (main) + Crystal Slime + Lucky Slime. The Midas luck passive helps you farm the next tier. Target GPH: 10,000–15,000.
- 3Late Game Team (Rebirth 15–25)Nebula Slime + Midas Slime + Crystal Slime. All three contribute high GPH with no wasted slots. Target GPH: 18,000–25,000.
- 4Endgame Team (Rebirth 25+)Void Slime + Celestial Slime + Nebula Slime. The ultimate GPH team. Target GPH: 38,500+. Add zone bonuses for 45,000+ GPH.
Zone Goop Bonuses
Each zone applies a GPH multiplier to slimes of matching types. Rolling and farming in the correct zone for your slimes can add 50%–300% to your effective GPH.
| Zone | GPH Bonus | Best Slimes Here | Unlock Requirement |
|---|---|---|---|
| Crystal Caves | +100% Crystal-type | Crystal Slime | Zone 3 |
| Ember Fields | +80% Fire-type | Ember Slime | Zone 7 |
| Deep Ocean | +150% Aquatic-type | Nebula Slime | Zone 10 |
| Sky Archipelago | +200% all types | Any slime | Zone 15 |
| Golden Peaks | +300% Legendary+ | Midas, Celestial, Void | Zone 20 |
| Void Realm | +250% Void/Celestial | Void Slime, Celestial | Zone 25 |
| Alien Planet | +350% Cosmic/Celestial | Meteor, Xenon | Zone 30 |
Once you unlock Zone 20, Golden Peaks gives +300% GPH to all Legendary+ slimes. If your team includes Midas, Celestial, or Void Slimes, this zone triples your effective GPH output.
AFK vs Active Farming
Both AFK and active farming have their place. Understanding when to use each approach maximizes your total Goop accumulation over time.
| Approach | GPH Efficiency | Best For | Setup Required |
|---|---|---|---|
| Active Farming | 100% | Potion windows, events | Full luck stack + batch rolling |
| AFK Farming | ~70% | Overnight, work hours | Auto-roll enabled, good zone |
| Hybrid | ~85% | Most sessions | AFK base + active potion bursts |
Upgrade Priority Guide
- 1Unlock Auto-Roll FirstAuto-roll is the single best QoL upgrade for GPH. It enables AFK farming and ensures you never waste idle time.
- 2Upgrade Goop StorageIf your storage fills up while AFK, you lose all overflow Goop. Upgrade storage before long AFK sessions.
- 3Prioritize Zone UnlocksEach new zone unlocks better GPH bonuses. Rushing to Zone 15 (Sky Archipelago) and Zone 20 (Golden Peaks) are the two biggest GPH milestones.
- 4Rebirth for Permanent GPHRebirth multiplies your base GPH permanently. At Rebirth 10, your slimes produce 10x more Goop than at Rebirth 1 with the same team.
- 5Craft Crystal Slime EarlyThe Crystal Slime recipe is available at Zone 3 and gives you a 3,500 GPH slime without relying on luck. Craft it as soon as possible.
Auto-roll unlocked ✓ | Goop storage upgraded ✓ | Zone 15+ unlocked ✓ | Crystal Slime crafted ✓ | Midas Slime equipped ✓ | AFK setup configured ✓