The Mimic

The Mimic: Nightmare Circus End Time and Live Countdown

Updated October 27, 2026 By AllThingsHow Staff

Two limited-time events are running in The Mimic at the same time right now, and both are scheduled to close out in the early hours of November 1. The headliner is the return of Nightmare Circus, a from-scratch rebuild of one of the game’s signature horror events, which has already drawn interest from more than about 120,000 players. Running beside it is an official crossover with Ken Carson’s Xperiment — a separate survival challenge with its own limited-time reward.

We update this page as The Mimic’s events change. The schedule above has the exact start and end times; the sections below explain what each event is and how long it runs. We last updated this page October 26 .

Live right now2 live

Artwork for the NIGHTMARE CIRCUS RETURNS event in The MimicLive now125K going

NIGHTMARE CIRCUS RETURNS

IT'S BACK AND BETTER

Oct 25, 11:00 PM – Nov 1, 1:22 AM ET

Artwork for the THE MIMIC X KEN CARSON event in The MimicLive now39K going

THE MIMIC X KEN CARSON

AN OFFICIAL COLLAB EVENT!

Oct 26, 1:00 PM – Nov 1, 1:55 AM ET

Roblox and the games named here are trademarks of their respective owners. AllThingsHow is not affiliated with or endorsed by Roblox Corporation or the game developers.

Current and upcoming events

Nightmare Circus returns

Nightmare Circus is back, but this isn’t a simple rerun — the developer rebuilt the event from scratch. Expect unfamiliar puzzle setups, redesigned monsters, and layout changes throughout the circus, plus four lanterns to track down and new survival mechanics to figure out along the way. It went live late on October 25 — 11:00 PM ET, which is 8:00 PM PT and 3:00 AM GMT on October 26 — and is set to run until the early hours of November 1. With interest from over about 120,000 players, it is comfortably the bigger of the two events live right now.

The Mimic x Ken Carson

The second live event is an official collaboration with musician Ken Carson, built around his Xperiment. Players explore a research facility after an experiment called XGATA gets loose, with the goal of surviving long enough to escape. Reaching the end of the event unlocks an exclusive, limited-time lantern. It opened at 1:00 PM ET on October 26 (10:00 AM PT, 5:00 PM GMT) and is timed to end alongside the circus event on November 1. Interest sits in the tens of thousands — around about 39,000 players — a fraction of the circus turnout, but still a sizable draw in its own right.

The Mimic events FAQ

When do the current The Mimic events end?

Both the Nightmare Circus and the Ken Carson events are scheduled to wrap up in the early hours of November 1. They began on different days — the circus the night of October 25 ET, the collab the following afternoon — but they are set to close together. The exact end times are in the schedule above.

What is the Nightmare Circus event in The Mimic?

It’s a ground-up rebuild of the original Nightmare Circus, not a rerun. New puzzle layouts, redesigned monsters, altered areas, four lanterns to find, and new survival mechanics all change how the circus plays this time around.

What is The Mimic x Ken Carson event?

It’s an official tie-in between The Mimic and musician Ken Carson’s Xperiment. The setup drops players into a research facility where something called XGATA has gotten loose, and the goal is to survive and escape — finishing it unlocks an exclusive, limited-time lantern.

How many players are interested in the Nightmare Circus event?

More than about 120,000 players have marked interest in Nightmare Circus, making it the most popular of the two events currently live — well ahead of the Ken Carson collab’s turnout in the tens of thousands.