25
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
How to Obtain
ThemedSpecial 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.
Spawn: Final reward of the Advent Calendar, obtainable only on December 24 (Day 25) after logging in every day starting from November 30 (Day 1).
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 |
⚠️Controversy & Disputes
None; confirmed as a published Secret Brainrot character by developers, introduced in November 2025.
