What is the rarest Brainrot?

Currently, the OG rarity is the highest, surpassing Secret. Examples typically include event-specific Brainrots.

How do I get Brainrots?

You can purchase them from the conveyor or steal them from other players' bases if they are unlocked.

What is Steal a Brainrot?

Steal a Brainrot is a thrilling Roblox game by BRAZILIAN SPYDER where you collect brainrots, build wealth, and compete on the leaderboard.

How does the fusion system work?

You can use the Fuse Machine to combine two brainrots and create new, rarer brainrots. Special fusion machines like Santa's Fuse and Witch Fuse offer unique combinations.

Cooki and Milki

Secret

SANTA'S FUSE

Base Cost

$100.0B

Price Format:

• K = 1,000

• M = 1,000,000

• B = 1,000,000,000

• T = 1,000,000,000,000

Income per Second

$155.0M

Price Format:

• K = 1,000

• M = 1,000,000

• B = 1,000,000,000

• T = 1,000,000,000,000

Efficiency

0.15%

Event

Santas Fuse Event

Cooki and Milki is a Secret-tier Brainrot featuring a cookie and a glass of milk as a duo. Their chemistry is wholesome yet chaotic, representing the perfect festive pairing during the holiday season.

Secret brainrot generating $155.0M/second

Can be obtained through Santa's Fuse by fusing extremely rare Secret-tier brainrots during the festive event. Only by using highly rare Secret-tier brainrots is there an extremely low chance to obtain it.

Identity & Availability

Release Status

Released

Primary Route

Santa's Fuse Machine

Event Source

Santas Fuse Event

Visual Structure

Composite (2 parts)

Current Availability

Explore This Family

Follow the strongest internal paths around this brainrot: event lineups, route collections, and composite relationships.

More from Santas Fuse Event

Characters tied to the same event window or event-specific rollout.

Open Page

More Santa's Fuse Machine Brainrots

Other entries reached through the same machine, system, or collection route.

Open Page

Secret Picks

Peers from the same rarity tier.

Visual Structure

Composition

Duo

Composed of 2 entities

Referenced component types:

Cooki

Not in database

Milki

Not in database

Collection Tip: This character contains 2 entities based on Cooki and Milki. Collect Cooki and Milki to boost your progress!

How to Obtain

SANTA'S FUSE

Created through festive fusion at Santa's Fuse.

Purchase

Available through Santa's Fuse by fusing extremely rare Secret-tier brainrots during the Santa's Fuse Event. Only by using highly rare Secret-tier brainrots is there an extremely low chance to obtain it.

Steal

Steal from heavily defended bases; requires advanced speed boosts, strategic timing, and high-tier defensive items.

Pro Tips

Use Santa's Fuse during the festive event to fuse extremely rare Secret-tier brainrots for an extremely low chance to obtain Cooki and Milki. Only highly rare Secret-tier brainrots have a chance to produce this result. For stealing, employ advanced tactics with top-tier items.

Mutation Income Calculator

Select Mutation

Time Period

Income with Default mutation

558.0B/h

Base: $558.0B/h → +0%

View all mutations at hourly rates

Mutation	Mult	Income
Default	1x	$558.0B
Gold	1.25x	$697.5B
Diamond	1.5x	$837.0B
Rainbow	10x	$5.5T
Bloodrot	2x	$1.1T
Celestial	4x	$2.2T
Candy	4x	$2.2T
Lava	6x	$3.3T
Galaxy	6x	$3.3T
YinYang	7.5x	$4.1T
Radioactive	8.5x	$4.7T
Cursed	9x	$5.0T
Divine	10x	$5.5T