Santa’s Fuse (also known as the Christmas 2025 Event) is a major limited-time update for Steal a Brainrot. Released on December 6, 2025, at 3:00 PM EST, this update transforms the map into a winter wonderland and introduces a new high-risk, high-reward fusion mechanic.
The event centers on collecting four specific “Winter Hour” units to unlock the limited La Jolly Grande Secret, alongside a new roster of 15 fuse-exclusive Brainrots.
Key Event Statistics
- Event Duration: Dec 6 – Dec 13, 2025 (Approx. 1 Week)
- New Units: 19 Total (15 Fuse Exclusives, 4 Winter Hour Collectibles)
- Top Unit: Cooki and Milki ($155.0M/sec)
- Core Mechanic: Santa’s Fuse Machine (Requires 4 Inputs)
- Concurrent Peak: ~32 Million Players
New Mechanics
1. Santa’s Fuse Machine
The Santa’s Fuse Machine has temporarily replaced the standard Brainrot Trader in the center of the map.
- How it Works: Players must drag four owned Brainrots into the machine’s collection zone.
- Process: Once four units are deposited, the machine activates a “festive fusion” sequence.
- Output: The machine consumes the four input units and spits out one random Christmas-themed unit from a pool of 15.
- Rarity Logic: Better inputs (Gods/Secrets) increase the odds of rolling the update’s top-tier Secrets, such as Chicleteira Noelteira or Ho Ho Ho Sahur.
2. Winter Hour (The “La Jolly” Hunt)
This is the primary engagement loop for the event.
- Timing: Every 2 hours on the dot.
- The Event: A Santa NPC spawns near the conveyor belt and strikes a random passing Brainrot with a candy cane.
- Mutation: The struck Brainrot instantly mutates into one of four exclusive collectibles:
- Goal: Players must collect one of each of these four units.
- Redemption: Bringing all four to the Santa NPC unlocks the La Jolly Grande, a limited Secret unit that cannot be obtained any other way (unless stolen).
3. Holiday Admin Abuse
The standard “Admin Abuse” event has been overhauled with holiday hazards.
- Hazards: Explosive presents, freezing snowballs that stun players, and “Naughty List” strikes that despawn unprotected units.
- Rewards: During Admin Abuse, Festive Lucky Blocks have a chance to drop, which can contain Cooki and Milki.
New Brainrot List
Below is the complete tier list of units introduced in this update, sorted by income.
| Unit Name | Rarity | Income ($/sec) | Source |
|---|---|---|---|
| Cooki and Milki | Secret | $155,000,000 | Festive Lucky Block / Rare Fuse |
| La Jolly Grande | Secret (Ltd) | $30,000,000 | Redeem 4 Winter Hour Units |
| Chicleteira Noelteira | Secret | $15,000,000 | Santa’s Fuse (High Tier) |
| Ho Ho Ho Sahur | Secret | $3,200,000 | Santa’s Fuse |
| List List List Sahur | Secret | $1,800,000 | Winter Hour (Conveyor) |
| Please my Present | Secret | $1,300,000 | Festive Lucky Block |
| Santteo | Secret | $800,000 | Winter Hour (Conveyor) |
| La Vacca Prese Presente | Secret | $600,000 | Santa’s Fuse |
| Reindeer Tralala | Secret | $600,000 | Winter Hour (Conveyor) |
| Ginger Cisterna | God | $293,500 | Santa’s Fuse |
| Ginger Globo | God | $257,500 | Santa’s Fuse |
| Yeti Claus | God | $257,500 | Santa’s Fuse |
| Tree Tree Tree Sahur | Mythic | $17,000 | Santa’s Fuse |
| Jingle Jingle Sahur | Mythic | $12,200 | Santa’s Fuse |
| Sealo Regalo | Legendary | $1,800 | Santa’s Fuse |
| Chocco Bunny | Legendary | $1,400 | Santa’s Fuse |
| Penguin Tree | Epic | $270 | Santa’s Fuse |
| Frogo Elfo | Rare | $67 | Santa’s Fuse |
| Noobini Santanini | Common | $11 | Santa’s Fuse |
Strategy Guide
The “Winter Hour” Server Hop
Because the Winter Hour happens every 2 hours, competition on public servers is fierce.
- Meta Strategy: Join a Private Server 5 minutes before the hour mark. The Santa NPC spawn is consistent in private lobbies, allowing you to secure the conveyor mutation without risk of it being stolen by other players.
Fusion Efficiency
- Don’t Waste Secrets: Do not fuse your high-tier vanilla Secrets (like Tung Tung Tung Sahur) unless you are aiming strictly for Chicleteira Noelteira. The drop rates for the top 3 Christmas Secrets are significantly lower than standard fusion rates.
- The “Frogo” Spam: Use low-tier units to farm Frogo Elfo. It has a disproportionately high fusion weight, making it easy to stack for “Collector” achievements.
Stealing La Jolly Grande
Since La Jolly Grande is limited by the number of redemptions, it has become a prime target for thieves.
- Defense: If you own La Jolly Grande, box your base with Festive Mines immediately.
- Offense: Look for players AFK-farming near the Santa NPC. They often leave their redeemed units unguarded before placing them in their base.
Trivia & Lore
- The “Crash” of ’25: When the update launched at 3:00 PM EST, the Admin Abuse event triggered so many concurrent “Explosive Present” entities that the game servers crashed for 15 minutes. The developers patched this by replacing the explosion sound with a “Jingle Bell” error noise.
- Economy Impact: La Jolly Grande is currently trading on black markets for values exceeding $3.5 Billion due to the difficulty of collecting all four specific Winter Hour parts.
- Recipe Leaks: Dataminers found that fusing 4 Trippi Troppis has a 96% chance to result in Frogo Elfo, making it the most consistent recipe in the game’s history.
- Visuals: La Jolly Grande appears to be a chaotic mashup of an Ice-variant Lirilì Larilà, a Tung Tung Tung Sahur in an elf costume, and a Gingerbread shark.