Cursed Mutation in Steal A Brainrot: Event timing, spin wheel, and stealing

Learn when the Cursed Event runs, how Cursed Brainrots spawn, and the practical ways players are securing this 9× mutation.

By Pallav Pathak 8 min read
Cursed Mutation in Steal A Brainrot: Event timing, spin wheel, and stealing

Cursed Mutation is one of the strongest and rarest mutations in Steal A Brainrot. It covers a Brainrot in a red-and-black aura, adds a distinct “energy source” effect, and multiplies its income by 9×. Unlike permanent options such as Gold or Diamond, it sits in the same tier as other limited mutations and is only available during a specific seasonal event.


Cursed Mutation basics (what it is and why it matters)

Mutations in Steal A Brainrot sit on top of a Brainrot’s normal stats and visuals. Only one mutation can be active on a Brainrot at a time, and each one changes both appearance and income.

Mutation Type Multiplier
Default Permanent
Gold Permanent 1.25×
Diamond Permanent 1.5×
Bloodrot Limited
Candy Limited
Lava Limited
Galaxy Limited
Yin Yang Limited 7.5×
Radioactive Limited 8.5×
Cursed Limited
Rainbow Permanent 10×

Cursed is second only to Rainbow in raw multiplier, and unlike older event mutations such as Candy, Lava, Galaxy, Yin Yang, and Radioactive, it is currently obtainable through a live seasonal event. That combination of power and time-gating is why players chase it so aggressively during its window.

Only one mutation can be active on a Brainrot at a time | Image credit: Roblox (via YouTube/@Foltyn)

Cursed Event schedule and visual cues

The Cursed Mutation lives inside a limited-time Cursed Event. It does not exist in normal server rotation. During the active period of this seasonal event, servers periodically flip into a cursed state for short bursts.

Key timing details:

  • Each Cursed Event cycle lasts roughly 15 minutes.
  • New cycles start every 3 hours across the event period.
  • The current event runs until February 6, 2026.

You always get clear visual confirmation when a cycle begins. The map shifts into a red-and-black color palette, with occult-style symbols appearing on walls and pillars. A huge monster head spawns near the red conveyor belt entrance; that head is effectively the event’s “on air” light.

Once those visuals appear, treat the next 15 minutes as your window to secure Cursed Brainrots by any means available.


How conveyor belt spawns get Cursed Mutation

During an active Cursed Event, the main conveyor belt becomes the primary source of Cursed Mutation. Any Brainrot that spawns on the belt can roll the Cursed Mutation on top of its normal form.

A Cursed Brainrot on the belt is visually loud. The model is wrapped in dark red and black textures, with an animated aura that matches the event’s overall look. In crowded servers, this makes them easier to spot, but it also means everyone sees them at the same time.

Step 1: Join or stay in a lobby as the Cursed Event is about to start. Once the map flashes to the cursed color scheme and the monster head appears, move to a position with a clear view of the red conveyor belt entrance.

Move to a position with a clear view of the red conveyor belt entrance | Image credit: Roblox (via YouTube/@Ayush More)

Step 2: Watch the belt continuously during the 15-minute window. As soon as a Brainrot appears with the red-and-black Cursed effect, sprint to buy or grab it before other players react.

Step 3: Secure base space in advance. The event is short, and players frequently run out of base slots mid-cycle. Clearing low-value Brainrots or setting up a “steal then sell” rotation before the event allows you to claim Cursed units without fumbling inventory management in the middle of a snap or flame wave.

Because all of this is RNG, some cycles will produce several Cursed belt spawns, while others might give you nothing useful. Serious collectors simply stay on rotation and treat each 15‑minute window as another roll of the dice.

Some cycles will produce several Cursed belt spawns, while others might give you nothing useful | Image credit: Roblox (via YouTube/@Ayush More)

Cursed Spin Wheel: another way to roll Cursed Brainrots

The Cursed Event also introduces a dedicated Cursed Spin Wheel. This is separate from the main conveyor belt and gives you a different loot table with cursed-flavored rewards.

The wheel’s pool includes:

  • Exclusive cursed-themed gear.
  • A unique Cursed Secret Block.
  • A chance to obtain Brainrots that already have Cursed Mutation applied.

The wheel is entirely RNG; there is no progression bar or pity mechanic. You can spin multiple times during a single event cycle or stretch your spins across several days, but each result is independent.

Step 1: During the event, locate the Cursed Spin Wheel structure in the lobby or event hub. Interact with it while the Cursed Event is active.

Step 2: Spend the required currency (usually in-game money or a special token) to trigger a spin. Watch the pointer land on a reward, which might be gear, the Cursed Secret Block, or—if you’re lucky—a Cursed Brainrot.

Step 3: Immediately move new Cursed items into safe positions in your base. High-value Cursed pieces make you an attractive target for thieves during the same 15‑minute window.

The wheel is most useful if your belt spawn luck is bad or your lobby is highly competitive around the conveyor. It turns the event into a controlled series of gacha pulls, at the cost of whatever currency you burn through.

Spend the required currency (usually in-game money or a special token) to trigger a spin | Image credit: Roblox (via YouTube/@Foltyn)

Stealing Cursed Mutation from other players

Stealing is the low-friction method that turns other players’ luck into your progress. Any Brainrot that already carries Cursed Mutation behaves like a normal object in the world, which means it can be stolen if you can physically access it and survive whatever defenses are in place.

The easiest way to see this is during admin “abuse” or high-traffic event lobbies, where players with Cursed Brainrots show them off and juggle event blocks near the PVP and trait-farming chaos. Throughout the Cursed Event period, those same behaviors happen in regular servers as players rush to show and trade their new finds.

Step 1: Join a populated lobby during or just after a Cursed Event cycle. Look for bases or players visibly displaying red-and-black Cursed Brainrots or cursed-affected lucky blocks.

Step 2: Identify weak bases. Newer players and show-offs often position rare pieces near doors, open platforms, or ladders with minimal protection. Plan a route that lets you reach the Cursed Brainrot with as few hits taken as possible.

Step 3: Time your approach with distractions. During admin snaps, fire waves, or mass lucky-block farming, base owners are frequently focused on trait farming or chat. Use that noise to slip in, slap the Cursed Brainrot, and escape before they fully react.

Step 4: Once stolen, stash the Cursed Brainrot in a more secure layer of your base. Fortify the room, adjust trap placement, and avoid leaving it on the front line of your own display area.

For brand-new players with little cash, this is the most realistic route into the Cursed ecosystem. A single stolen Cursed Brainrot can bootstrap your income and trading position without any direct spend on spins or contested belt snipes.

Once stolen, stash the Cursed Brainrot in a more secure layer of your base | Image credit: Roblox (via YouTube/@Foltyn)

What Cursed Mutation looks like and how it performs

Visually, a Cursed-mutated Brainrot is easy to recognize even in a crowded base. The model is wrapped in deep red and black tones, with an animated aura that suggests a pulsing energy source. The overall effect mirrors the Cursed Event’s environment, so Cursed units feel like tiny, portable pieces of the event itself.

On the numbers side, Cursed carries a 9× income multiplier. That puts it directly below Rainbow’s 10×, and above every other limited mutation currently listed, including Radioactive at 8.5× and Yin Yang at 7.5×. In practice, that means a mid-tier Brainrot upgraded to Cursed can outperform some higher-tier units running weaker mutations or Default.

Because only one mutation can be active, attaching Cursed to a Brainrot is a clear statement: you’re sacrificing whatever older, unobtainable mutation might have been there in favor of raw output and current-season flex. That’s why players tend to reserve Cursed for their highest-base-value units, such as dragons or top-secrets, and avoid throwing it on disposable trade fodder.

Cursed is also strongly intertwined with collection progress. Filling out Cursed entries in the index pushes your Cursed index value up, which in turn contributes to your overall mutation completion and base-color unlocks. For players already sitting on Candy, Lava, Galaxy, and other dead events, Cursed is essentially the missing modern piece of the mutation ladder.

Cursed carries a 9× income multiplier | Image credit: Roblox (via YouTube/@Foltyn)

Event timing, fusing, and realistic expectations

The Cursed Event’s three-hour rotation and 15‑minute cycles shape how you should approach it. Treat each cycle like a short sprint with a clear checklist rather than a casual background activity.

Before the event flips on, advanced players often:

  • Clear base space so they can immediately claim belt spawns and wheel rewards.
  • Position themselves near the conveyor and spin wheel rather than inside their own base.
  • Decide in advance which existing Brainrots are worth replacing or selling if slots run tight.

One thing the Cursed Event does not do is change fuse odds. The mutation itself is not a fuse result; it’s an overlay that comes from event spawns, spins, or stealing. You can still fuse Brainrots during the event, and some players try to align their rare fuses with admin snaps and lucky-block storms, but Cursed Mutation is attached to the spawn or reward, not the Fuse Machine.

RNG is brutal. Even highly active players who sit through multiple admin cycles and event snaps can walk away with nothing but a single Cursed-affected festive block or a mid-tier Cursed piece. At the same time, someone else in the same server might pull a Cursed mutation on a dragon or other top-end Brainrot in one lucky moment. The only lever you directly control is participation: how many cycles you attend, how aggressively you steal, and how much currency you’re willing to burn on the Cursed Spin Wheel.

The Cursed Event does not change fuse odds | Image credit: Roblox (via YouTube/@Foltyn)

If you want a Cursed-mutated Brainrot, the pattern is simple but demanding: learn the three-hour rhythm, treat each 15‑minute slice as serious hunting time, leverage the spin wheel when your wallet allows it, and do not be shy about stealing from players who treat their Cursed collection like a public museum. The mutation rewards that focus with both a 9× income spike and one of the more striking visuals in Steal A Brainrot’s current mutation lineup.