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Extinct Event

2025-09-13

The Extinct Event is a limited-time event in Roblox's Steal a Brainrot, launched on September 13, 2025, at 12:00 PM PT, running from September 14 to September 19, 2025. It introduces a desert-themed environment with bones scattered across the map, featuring three ultra-rare Extinct Brainrots that spawn every 2 hours. Players who collect all three can unlock the exclusive La Extinct Grande, a limited-quantity Brainrot God unit. The event also includes the new Chicleteira Ritual, enhancing gameplay with unique mechanics and rewards.

Key Statistics

event duration
September 14, 2025, 12:30 AM IST to September 19, 2025, 10:30 PM IST
extinct brainrot spawn rate
Every 2 hours
la extinct grande quantity
500,000 units available
+2 more statistics below

Event Identity & Coverage

Event Window
2025-09-13
Event Lineup
4 linked brainrot pages
Primary Route
Limited Quantity Truck
Event Notes
2 traits

Follow This Event

Start with the event lineup, then branch into machine, lucky block, trait, and related entity pages.

Brainrots in This Event

Every released brainrot tied to this event, with direct links to each detail page.

Machine & Collection Pages

Collection and machine pages that help you follow how this event lineup is obtained.

Supporting Event Pages

Route guides, trait coverage, and adjacent entity pages connected to this event.

More Event Statistics

peak concurrent users
Estimated 15-20 million during spawn windows
new brainrots introduced
10 (3 Extinct + 7 regular)

Event Mechanics

  • •During the Extinct Event, the map transforms into a dry, arid landscape with bones protruding from the ground.
  • •Every 2 hours, one of three Extinct Brainrots (Extinct Ballerina Cappuccina, Extinct Matteo, or Extinct Tralalero) spawns on the conveyor belt.
  • •Players purchase these using in-game currency, facing high competition on public servers.
  • •Collecting all three unlocks La Extinct Grande for the first players to achieve this.
  • •The Chicleteira Ritual allows players to combine two Chicleteira Brainrots into Los Chicleteiras, a powerful unit.
  • •A timer above the Archaeologist NPC indicates the next spawn.

Exclusive Rewards

•
Skull Traittrait

4x multiplier, ribcage appears on chest when passing conveyor belt structure

•
Graffiti Traittrait

6x multiplier, colorful graffiti left on ground, obtained via Chicleteira Ritual

Available Brainrots (4)

La Extinct Grande
La Extinct Grande
SecretLimited
$23.5M/sec
Extinct Matteo
Extinct Matteo
Secret
$625.0K/sec
Extinct Tralalero
Extinct Tralalero
SecretFishing
$450.0K/sec
Extinct Ballerina
Extinct Ballerina
Brainrot God
$125.0K/sec

Tips & Strategies

•
Play on a private server to reduce competition for Extinct Brainrots
•
Bring friends to public servers to secure spawns against other players
•
Check the Archaeologist NPC’s timer to plan for the next 2-hour spawn window
•
Save at least 100M in-game cash to afford rare Extinct Brainrots
•
Complete the Chicleteira Ritual early to unlock Los Chicleteiras before the event ends

Trivia & Fun Facts

•
The event's desert theme was inspired by a fan suggestion on the Steal a Brainrot Discord
•
A glitch during the first spawn window on September 14 caused Extinct Matteo to appear with a broken rib cage model, fixed within hours
•
La Extinct Grande's limited 500K units sold out faster than any previous event reward
•
The Chicleteira Ritual is the sixth ritual introduced in the game, following the Galactic Ritual
•
Some players reported server lag during peak spawn times, prompting Sammy to add temporary server boosts

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Event ID: Extinct-Event