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Slime RNG Rarity Tiers

Slime RNG has 13 confirmed rarity tiers — from Basic to Celestial — plus 5 slime categories (Base, Big, Huge, Shiny, Inverted) that stack a multiplier on top. This guide lists every tier with documented base odds, example slimes, and when to target each tier based on your progress. Where official odds are not exposed we mark them needs_check rather than guess. Last checked 2026-06-23.

Total tiers

13 confirmed tiers

Basic → Common → Uncommon → Rare → Epic → Legendary → Mythic → Divine → Prismatic → Transcendent → Ethereal → Secret → Celestial/beyond.

Rarest documented Base odds

Secret: ~1 in 1.07B

Single-source estimate (driffle.com June 2026). Not officially confirmed by Stouts Studio.

Best early target

Epic (Orca)

Orca (~1 in 719) is the first documented mid-game farmer. Fill Uncommon/Rare slots first.

Best luck target

Mythic (Lucky) then Huge Lucky

Lucky slime gives roster luck at Mythic (~1 in 21.5K). Huge Lucky multiplies on top at massive odds.

All Slime RNG rarity tiers with base odds

Base odds apply to the Base slime category. Big slimes are ~100× rarer, Huge ~1,000×, Shiny ~250×, Inverted ~2,500× than the equivalent Base tier. Odds marked multi_source are confirmed by at least 2 independent third-party sources (driffle.com and TechWiser, both June 2026). Odds marked single_source are driffle.com estimates — treat as community-reported.

Rarity tier Example slimes Base odds (approx.) Verification
Basic Goopy, Sunset 1/3 – 1/5 multi-source
Common Fin, Leafy 1/8 – 1/11 multi-source
Uncommon Meow, Glo ~1/35 multi-source
Rare Buggy, Scorchy ~1/103 multi-source
Epic Orca, Spike ~1/719 multi-source
Legendary Spidey, Rocky ~1/4,270 multi-source
Mythic Lucky, Crafty ~1/21,500 multi-source
Divine Icy, Orbit, Aegis ~1/86,100 multi-source
Prismatic King, Guest, Ninja ~1/538,000 multi-source
Transcendent Bucky, Unicorn ~1/4,780,000 single source
Ethereal Wizzy, Petal, Halo ~1/26,900,000 single source
Secret Blackhole, Bomber ~1/1,070,000,000 single source
Celestial+ Sharky, Dino, Zoomy needs_check needs check

Source: driffle.com/blog/all-slimes-in-slime-rng/ (June 2026), techwiser.com/all-slimes-in-slime-rng/ (June 2026). Cross-reference incomplete above Prismatic tier — treat Transcendent/Ethereal/Secret odds as community estimates. Stouts Studio has not published official per-tier odds.

Slime categories: Base, Big, Huge, Shiny, Inverted

Rarity tier and slime category are two separate axes. A Huge Goopy is Basic rarity in the Huge category — which makes it ~1,000× rarer than Base Goopy, but still far easier than a Huge Legendary or Huge Prismatic. Total collection across all categories: approximately 500+ slimes.

Category Rarity multiplier vs Base Description Unlock requirement
Base Standard form. Accessible from the start. Default
Big ~100× Enlarged form. Requires Big Slimes upgrade. Big Slimes upgrade
Huge ~1,000× Massive form. Requires Huge Slimes upgrade. Huge Slimes upgrade
Shiny ~250× Luminescent visual variant. Requires Slimy Slimes upgrade. Slimy Slimes upgrade
Inverted ~2,500× Color-inverted endgame variant. Requires Inverted Slimes upgrade. Inverted Slimes upgrade
Important: Unlock the relevant category upgrade before grinding for slimes in that category. Without the upgrade, category slimes cannot appear in your roll pool regardless of your luck stack.

Rarity tier cards

Each card shows the tier ID, documented odds, and example slimes. Click the slime database link to inspect individual entries.

Basic basic

Base odds: 1 in 3–5 (Base tier examples: Goopy 1/3, Sunset 1/5)

Examples: Goopy, Sunset

Entry-level slimes. Every player starts with Basic rarity as their baseline roll pool.

multi_source_verified

Common common

Base odds: 1 in 8–11 (examples: Fin 1/8, Leafy 1/11)

Examples: Fin, Leafy

Early progression slimes. Fin is the strongest documented early DPS signal.

Database entries: Basic Slime, Fin, Water Slime. Open slime database.

multi_source_verified

Uncommon uncommon

Base odds: ~1 in 35 (example: Meow 1/35)

Examples: Meow, Glo

Fill all Uncommon slots before spending Luck Boost potions.

Database entries: Green Slime, Rocky, Spike, Fire Slime, Ice Slime. Open slime database.

multi_source_verified

Rare rare

Base odds: ~1 in 103 (examples: Buggy, Scorchy, Brutis, Frankenslime)

Examples: Buggy, Scorchy, Brutis, Frankenslime

First meaningful DPS and luck spike. Previously documented examples (Orca, Lucky Slime) may now be reclassified — verification pending.

Database entries: Orca, Lucky Slime. Open slime database.

multi_source_verified

Epic epic

Base odds: ~1 in 719 (examples: Orca, Spike, Axolotl)

Examples: Orca, Spike, Axolotl

Payoff zone for stacked Luck Boost code rewards. Orca at Epic is the documented mid-game farmer.

Database entries: Crafty Slime, Thorn Slime. Open slime database.

multi_source_verified

Legendary legendary

Base odds: ~1 in 4,270 (examples: Spidey, Mushy, Rocky)

Examples: Spidey, Mushy, Rocky

Strong collector tier. Rocky appears here (previously listed as Uncommon — reclassified per 2026 sources).

Database entries: Geode Slime. Open slime database.

multi_source_verified

Mythic mythic

Base odds: ~1 in 21,500 (examples: Lucky, Stump, Pondy, Crafty)

Examples: Lucky, Stump, Pondy, Crafty

Endgame DPS and luck targets. Lucky Slime appears at Mythic tier per updated 2026 data. Roll under Ultra Luck Boost only.

Database entries: Void Slime. Open slime database.

multi_source_verified

Divine divine

Base odds: ~1 in 86,100 (examples: Icy, Orbit, Aegis, Wicked, Thorn)

Examples: Icy, Orbit, Aegis, Wicked

Ultra-rare tier above Mythic. Requires substantial permanent luck stack before seriously hunting.

multi_source_verified

Prismatic prismatic

Base odds: ~1 in 538,000 (examples: King, Guest, Ninja, Buzz, Stormy, Geode)

Examples: King, Guest, Ninja, Buzz

Ultra-rare status tier. Comparable to Huge slime odds band. Only for dedicated grinders.

multi_source_verified

Transcendent transcendent

Base odds: ~1 in 4,780,000 (examples: Bucky, Pokey, Slimeslime, Unicorn)

Examples: Bucky, Pokey, Slimeslime, Unicorn

Among the rarest Base slime tiers. Single-source odds — treat as community-reported estimate.

single_source

Ethereal ethereal

Base odds: ~1 in 26,900,000 (examples: Wizzy, Slimeslimeslime, Petal, Shelly, Derpy, Octo, Puffy, Halo)

Examples: Wizzy, Petal, Shelly, Derpy

Peak difficulty for Base slime category. Single-source odds — treat as community-reported estimate.

single_source

Secret secret

Base odds: ~1 in 1,070,000,000 (examples: Bomber, Ufo, Witchy, Blackhole, Ember, Astro, Pumpkin)

Examples: Bomber, Blackhole, Witchy, Astro

Hidden tier with extreme odds (1-in-1B range, single-source). Beyond Ethereal, before Celestial.

single_source

Celestial / Beyond celestial

Base odds: needs_check (Celestial: Ouchy, Sharky, Dino, Sunny, Monke, Prickly, Zoomy — odds not yet cross-verified)

Examples: Ouchy, Sharky, Dino, Sunny

Endgame-only tier and beyond (Astral, Nova, Solar, Lunar, Galactic, Stellar, Quantum, Void, Paradox also referenced). Odds not cross-verified — do not publish as confirmed.

needs_check

Rarity tier names and base odds confirmed across driffle.com (June 2026), TechWiser (June 2026), and slime-rng.wiki. Per-tier base odds are derived from driffle.com and TechWiser cross-reference (source_layer=third_party, verification_status=multi_source_verified for Basic-Ethereal). Secret and above tiers: single-source or community-reported — marked needs_check or single_source.

Which Slime RNG rarity should you chase?

The table below maps your current situation to the right tier target. Rarity intent matters: a beginner chasing Mythic before stabilising Rare slimes wastes Luck Boost windows that would be worth 10× more at higher rebirth counts.

Rarity tierYour situationBest actionNext page
Basic / Common I just started and need any slime to clear the first zone. Use as baseline only. Replace immediately when Uncommon slimes appear. Beginner guide
Uncommon I need early DPS before spending Luck Boost potions. Fill all Uncommon slots before popping any Luck Boost from codes. Slime RNG codes
Rare I want the first real upgrade from starter slimes. Target Buggy, Scorchy, Brutis, or Frankenslime for DPS. Auto Roll pays off here. Roll speed
Epic I want the first meaningful coin farmer or luck-adjacent slime. Orca (~1/719) is the documented mid-game farmer. Stack permanent luck before grinding Epic. Coins farming · Luck sources
Legendary I want strong named slimes with solid DPS signals. Rocky and Spidey appear at Legendary per 2026 sources. Target after Epic is stable. Luck calculator
Mythic I am chasing the Lucky slime for roster luck or end-game DPS. Lucky (~1/21.5K) gives roster luck at Mythic. Stack rebirth multiplier, code boosts, and server luck before committing. Rebirth guide · Server luck
Divine / Prismatic I am a dedicated grinder targeting ultra-rare slimes. Divine (~1/86K) and Prismatic (~1/538K) require a full permanent luck stack plus rebirth multiplier. Use the Luck Calculator to model your effective odds before grinding. Luck calculator · Rebirth guide
Transcendent / Ethereal / Secret I am hunting the rarest Base slimes documented in 2026. Transcendent (~1/4.78M), Ethereal (~1/26.9M), Secret (~1/1.07B). Odds are single-source estimates. Stack every possible buff and be patient. Huge slimes · Server luck
Huge / Shiny / Inverted I am hunting trophy variants with category multipliers. Huge is ~1000× rarer than Base equivalent. Shiny ~250×. Inverted ~2500×. Unlock the relevant upgrade first, then apply full luck stack. Huge slimes guide

Rarity hunting tips by tier

  • Basic / Common slimes — your roster baseline. Replace as quickly as possible; never pop boosts here.
  • Uncommon slimes — fill all Uncommon slots before spending any Luck Boost from codes. Target Meow and Glo (~1/35).
  • Rare slimes (Buggy, Scorchy, ~1/103) — first meaningful DPS gate. Auto Roll and coin route should be stable here.
  • Epic slimes (Orca, ~1/719) — payoff zone for stacked Luck Boost code rewards. Coins farming starts here.
  • Legendary slimes (Rocky, Spidey, ~1/4.27K) — strong collector tier. Worth targeting with permanent luck stack and rebirth multiplier.
  • Mythic slimes (Lucky, ~1/21.5K) — roll under Ultra Luck Boost only. Stack every luck source and use server luck before committing.
  • Divine / Prismatic (1/86K – 1/538K) — dedicated grinder territory. Full stack: rebirth multiplier + permanent luck + server luck x256 + Luck Boost.
  • Transcendent / Ethereal / Secret (1/4.78M – 1/1.07B) — long-term trophy hunts. Odds are single-source estimates. Huge slime guide applies similar stacking logic.

Slime RNG rarity FAQ

What is the rarest Slime RNG rarity?
Among Base slimes, Secret tier sits at approximately 1 in 1,070,000,000 per roll (single-source estimate, driffle.com June 2026). Celestial and beyond (Astral, Nova, Solar, Lunar, Galactic, Stellar, Quantum, Void, Paradox) are referenced but odds are not cross-verified. Among all categories, Inverted slimes at the highest tier combine a 2,500× category multiplier on top of the already extreme Base tier odds.
How many rarity tiers does Slime RNG have?
Slime RNG has at least 13 confirmed rarity tiers for Base slimes: Basic, Common, Uncommon, Rare, Epic, Legendary, Mythic, Divine, Prismatic, Transcendent, Ethereal, Secret, and Celestial/beyond. There are also 5 slime categories (Base, Big, Huge, Shiny, Inverted) that add a multiplier on top of the rarity tier. The game features over 500 total slimes across all categories.
Are Slime RNG rarity odds official?
No. Stouts Studio has not published official per-tier odds. The odds on this page come from driffle.com and TechWiser (both June 2026), cross-referenced where possible. Basic through Prismatic are marked multi_source_verified; Transcendent through Secret are single-source estimates and should be treated as community-reported. We do not invent numbers — tiers without verified odds are marked needs_check.
Which Slime RNG rarity should beginners chase first?
Beginners should move from Basic and Common into Uncommon (fill all slots, ~1/35), then work toward Rare (Buggy/Scorchy/Brutis, ~1/103) before spending Luck Boost potions. Epic (Orca ~1/719) is the first major payoff for stacked luck. Do not chase Mythic, Divine, or above until your roll speed, coin route, and permanent luck are stable.
When should I use Luck Boost codes for higher rarities?
Use Luck Boost and Ultra Luck Boost potions when your permanent luck stack (like + group join + upgrades + rebirth multiplier) and Auto Roll speed are both stable. Popping a Luck Boost at Rebirth 1 with no upgrades gives a far smaller effective odds shift than popping it at Rebirth 5 with Super Luck and server luck stacked. Time it right using the Luck Calculator.
What is the difference between Huge, Shiny, and Inverted slimes?
These are slime categories, not rarity tiers. Each category requires a separate unlock upgrade and multiplies the difficulty on top of the Base rarity tier. Huge slimes are ~1,000× rarer than their Base equivalent and require the Huge Slimes upgrade. Shiny slimes are ~250× rarer with a luminescent visual and require the Slimy Slimes upgrade. Inverted slimes are ~2,500× rarer with color-inverted visuals and require the Inverted Slimes upgrade. Total slime count across all categories: approximately 500+.
Is Rocky still an Uncommon or has the tier changed?
Per updated 2026 sources (driffle.com, June 2026), Rocky appears at Legendary tier in the current rarity listing — not Uncommon. Earlier data (including this site's prior database) listed Rocky as Uncommon based on older wiki information. The rarity tier system appears to have been updated as the game expanded. We have updated this page to reflect the 2026 multi-source data, but mark it as a revision from earlier records.
What is the rarest slime I should realistically hunt?
Prismatic (~1/538K) is the practical ceiling for dedicated grinders with a full luck stack. Beyond Prismatic, Transcendent (~1/4.78M) and Ethereal (~1/26.9M) are achievable with maxed luck, server luck, and rebirth multiplier over many sessions. Secret (~1/1.07B) is a long-term trophy hunt. Celestial and beyond are endgame-only territory with unverified odds.