Roblox Slime RNG’s reported base-form odds range from about 1 in 3 for Goopy to 1 in 4.29 billion for Big SlimeSlimeSlime. Those figures come from a third-party guide, not a verified live-game rate table, so use them as an approximate snapshot—not a guarantee or a complete list of current slimes.
Roblox Slime RNG drop-rate chart
BlueStacks lists the following approximate odds for these base-form examples. Its indexed result did not state a publication date. The rates have not been independently verified, and the source cautions that variants and newer forms may differ.
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| Rarity | Example slime | Approximate odds reported by BlueStacks |
|---|---|---|
| Basic | Goopy | 1 in 3 |
| Common | Fin | 1 in 8 |
| Uncommon | Meow | 1 in 35 |
| Rare | Buggy | 1 in 103 |
| Epic | Orca | 1 in 719 |
| Legendary | Spidey | 1 in 4.27K |
| Mythic | Lucky | 1 in 21.5K |
| Divine | Icy | 1 in 86.1K |
| Prismatic | King | 1 in 538K |
| Transcendent | Bucky | 1 in 4.78M |
| Ethereal | Wizzy | 1 in 26.9M |
| Secret | Bomber | 1 in 307M |
| Celestial | Big SlimeSlimeSlime | 1 in 4.29B |
In this chart, “1 in N” describes an approximate chance on each roll. It does not mean the slime is guaranteed after N rolls: results can arrive sooner or later. The listed figures apply to the named base-form examples, not necessarily every variant.
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What is known about boosting luck?
Available descriptions point to temporary potion boosts, server luck, gamepasses, codes, and possible group or like bonuses. The details below are reported by third-party sources; they do not establish a complete current in-game system or an exact combined multiplier.
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Luck potions
The Slime RNG Wiki on Fandom describes Luck Boost as adding +1 Luck and Ultra Luck Boost as adding +2 Luck, with each potion lasting three minutes. These are fan-wiki claims rather than a current official mechanics reference, so check the item description in the live game before relying on the values or duration.
Server luck and gamepasses
The same fan-wiki source describes server luck and gamepasses as paid in-game systems. It notes that prices can vary by region, and the available information does not establish a universal current price. Check the in-game shop for the offer and price shown to your account.
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- This is a digital gift card that can only be redeemed for Robux at Roblox.com/redeem. It cannot be redeemed in the Roblox mobile app or any video game console. Please allow up to 5 minutes for your balance to be updated after redeeming.
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Codes and free bonuses
A fan guide says codes may provide luck potions, coins, and roll boosts, with redemption through the Shop menu after completing the tutorial. Its code page was last verified on June 4, 2026; that date does not confirm that any code is still active in October 2026.
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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesBlueStacks also reports that liking the experience and joining the Stouts Studio group can provide additional Luck, attributing the offer to the Roblox experience description. Because this is secondary reporting and offers can change, look for the current bonus in the experience before counting on it.
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- This is a digital gift card that can only be redeemed for Robux at Roblox.com/redeem. It cannot be redeemed in the Roblox mobile app or any video game console. Please allow up to 5 minutes for your balance to be updated after redeeming.
- Roblox Gift Cards can be redeemed worldwide, perfect for gifting to Roblox fans anywhere in the world.
- From now on, when you redeem a Roblox Gift Card, you get up to 25% more Robux. Perfect for gaming, creating, and exploring- more Robux means more possibilities!
- Every Roblox Gift Card grants a free virtual item upon redemption.
How to use the chart and boosts without overreading the odds
- Use the chart as a guide, not a promise. It is a third-party snapshot of selected base forms, not an official, independently tested complete table.
- Check the exact slime and form. The source warns that variants and newer additions may have different odds.
- Read the live boost description. Confirm what a potion, shop offer, code, or bonus currently does before spending time or Robux.
- Do not assume boosts multiply in a particular way. The available sources do not establish an authoritative luck-stacking formula or how different effects combine.
- Recheck volatile information. Drop rates, codes, offers, and mechanics may change with game updates; consult the live Roblox experience or an official Stouts Studio source for current details.
What the available figures establish
The rarest example in the BlueStacks chart is Celestial Big SlimeSlimeSlime at approximately 1 in 4.29 billion. That is the guide’s reported base-form figure—not an independently measured rate. The available sources do not establish a full official rate table covering every current slime and variant.
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- This is a digital gift card that can only be redeemed for Robux at Roblox.com/redeem. It cannot be redeemed in the Roblox mobile app or any video game console. Please allow up to 5 minutes for your balance to be updated after redeeming.
- Roblox Gift Cards can be redeemed worldwide, perfect for gifting to Roblox fans anywhere in the world.
- From now on, when you redeem a Roblox Gift Card, you get up to 25% more Robux. Perfect for gaming, creating, and exploring- more Robux means more possibilities!
- Every Roblox Gift Card grants a free virtual item upon redemption.
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- The easiest way to add Robux (Roblox’s digital currency) to your account. Use Robux to deck out your avatar and unlock additional perks in your favorite Roblox experiences.
- This is a digital gift card that can only be redeemed for Robux at Roblox.com/redeem. It cannot be redeemed in the Roblox mobile app or any video game console. Please allow up to 5 minutes for your balance to be updated after redeeming.
- Roblox Gift Cards can be redeemed worldwide, perfect for gifting to Roblox fans anywhere in the world.
- From now on, when you redeem a Roblox Gift Card, you get up to 25% more Robux. Perfect for gaming, creating, and exploring- more Robux means more possibilities!
- Every Roblox Gift Card grants a free virtual item upon redemption.
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