Guest 666
Normal incomeCost 15.6B
Details
- Cost
- 15.6B
- How to get
- Ritual
- Added in
- Update 23
- Rarity
- Secret 7/8
- Category
- Brainrots
- Pays back in
- 4 min #324 of 548
- Last updated
- Today
- Source
- Steal a Brainrot Wiki · Guest 666
💡 Guest 666 costs 15.6B and earns 66.6M/s, so it earns back its cost in 4 min.
🔥 Steal a Brainrot players are up +102% over 29h. More players usually means more demand.
Income history
- Change · All
- -
- High
- -
- Low
- -
- Now
- -
Value changes
No changes since we started tracking on Sep 28, 2026. When Steal a Brainrot buffs or nerfs Guest 666, it shows up here.
What is Guest 666 in Steal a Brainrot?
Guest 666 is a Secret brainrot in Steal a Brainrot, from Ritual. Its income is 66.6M/s, 79th of 550 brainrots we track and 73rd among 332 Secret ones.
- Rarity
- Secret
- Brainrot
- Brainrots
- Income
- 66.6M/s
- Rank
- #79 of 550
- Cost
- 15.6B
- How to get
- Ritual
- Added in
- Update 23
How to get Guest 666
Get it from: Ritual.
Related: 
Los Crocodillitos
Los Matteos
Los Spyderinis
Yess my Examen
Where this comes from
Built from our Steal a Brainrot data, checked 2026-10-06, using the sources below.
- Steal a Brainrot Wiki · Guest 666
- Steal a Brainrot Wiki - Brainrots (list, rev 2026-09-26)
- Steal a Brainrot Wiki - individual brainrot pages (Brainrot Infobox cost/income/rarity), fetched via MediaWiki API 2026-09-28
- Steal a Brainrot Wiki - Rarities (rev 2026-09-20)
- Item images: stealabrainrot.fandom.com (fan wiki). Game art belongs to the developer.
Steal a Brainrot Wiki · Guest 666 is licensed CC BY-SA 3.0. Game content and images belong to the game's developer. We are not affiliated with Roblox or the developer.
How Guest 666 compares
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Questions about Guest 666
How much is Guest 666 worth in Steal a Brainrot?
Guest 666 has a income of 66.6M/s, which ranks it #79 of 553 in Steal a Brainrot. Gold 1.25x: 83.3M/s, Diamond 1.5x: 99.9M/s.
How rare is Guest 666?
Guest 666 is a Secret brainrot, tier 7 of 8.
Is Festive 67 better than Guest 666?
By income, yes: Festive 67 is 67M/s, about 1.0 times Guest 666's 66.6M/s.
How do you get Guest 666 in Steal a Brainrot?
Ritual: Get it from: Ritual.
Cost and income from each brainrot’s page on the Steal a Brainrot wiki, checked 2026-09-28. Where the wiki contradicts itself we note it on the brainrot’s page.