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. Last checked 2026-06-23.

Luck calculator Slime database

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

Per driffle.com (June 2026).

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 are from driffle.com and TechWiser (both June 2026).

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

Source: driffle.com/blog/all-slimes-in-slime-rng/ (June 2026), techwiser.com/all-slimes-in-slime-rng/ (June 2026).

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	1×	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.

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.

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.

Rare rare

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

Examples: Buggy, Scorchy, Brutis, Frankenslime

First meaningful DPS and luck spike.

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

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.

Legendary legendary

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

Examples: Spidey, Mushy, Rocky

Strong collector tier. Rocky appears here.

Database entries: Geode Slime. Open slime database.

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.

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.

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.

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.

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.

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). Beyond Ethereal, before Celestial.

Celestial / Beyond celestial

Examples: Ouchy, Sharky, Dino, Sunny

Endgame-only tier and beyond (Astral, Nova, Solar, Lunar, Galactic, Stellar, Quantum, Void, Paradox also referenced).

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 tier	Your situation	Best action	Next 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). 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. 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 (driffle.com, June 2026). Celestial and beyond (Astral, Nova, Solar, Lunar, Galactic, Stellar, Quantum, Void, Paradox) sit beyond Secret. 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.

Where do the Slime RNG rarity odds come from?

The odds on this page come from driffle.com and TechWiser (both June 2026), cross-referenced where possible, and cover every tier from Basic to Secret.

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 2026 sources (driffle.com, June 2026), Rocky is a Legendary-tier slime, not Uncommon as older wiki data listed. The rarity system expanded as the game grew, and this page reflects the 2026 tier list.

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.