Steal a Brainrot25
25 is a Secret-tier Brainrot representing an anthropomorphic number 25, symbolizing the culmination of the Advent Calendar event with festive celebration energy.
Secret brainrot generating $1.0M/second
Final reward of the Advent Calendar, obtainable only on December 24 (Day 25) after logging in every day starting from November 30 (Day 1).
Identity & Availability
Quick Answers
What is 25?
25 is a Secret brainrot in Steal a Brainrot through Themed Brainrots. It generates $1M/s and has a listed base cost of $250M.
How do you get 25?
Current availability for 25: Final reward of the Advent Calendar, obtainable only on December 24 (Day 25) after logging in every day starting from November 30 (Day 1).
When was 25 added to Steal a Brainrot?
25 has a recorded game-added date of November 29, 2025.
How to Obtain
Special themed brainrots from event activities.
Available as the final Advent Calendar reward on December 24 (Day 25), requiring daily logins starting from November 30 (Day 1) throughout the event.
Steal from heavily defended bases; requires advanced speed boosts, strategic timing, and high-tier defensive items.
Log in every day of the Advent Calendar event to unlock the Day 25 reward.
Mutation Income Calculator
View all mutations at hourly rates
| Mutation | Mult | Income |
|---|---|---|
| Default | 1x | $3.6B |
| Gold | 1.25x | $4.5B |
| Diamond | 1.5x | $5.4B |
| Rainbow | 10x | $36.0B |
| Bloodrot | 2x | $7.2B |
| Celestial | 4x | $14.4B |
| Candy | 4x | $14.4B |
| Lava | 6x | $21.6B |
| Galaxy | 6x | $21.6B |
| YinYang | 7.5x | $27.0B |
| Radioactive | 8.5x | $30.6B |
| Cursed | 9x | $32.4B |
| Divine | 10x | $36.0B |
| Cyber | 11x | $39.6B |
| Phantom | 12x | $43.2B |
Release Status
Released
None; confirmed as a published Secret Brainrot character by developers, introduced in November 2025.
Brainrot Income Calculator
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