Cosm Detroit Opens September 10: Opening Week Lineup and What to Expect

The strangest new building downtown is a giant dome two blocks from Campus Martius, and on September 10 it starts showing football games on its ceiling. Cosm Detroit, the immersive venue rising at Bedrock’s Development at Cadillac Square, opens to the public Thursday, September 10, 2026. RAW covered the announcement when the project broke ground; this is the practical update on what it is, what it will show, and what tickets will look like.

The honest headline first: the date is locked, but ticket sales have not started and Detroit pricing has not been announced. Here is everything that is confirmed. For the rest of downtown’s changes, see our Detroit projects to watch.

At a Glance

What	Cosm Detroit, a 70,000-square-foot immersive sports and entertainment venue
Where	The Development at Cadillac Square, two blocks from Campus Martius
The tech	A roughly 87-foot LED dome wrapping viewers in a 180-degree picture
When	Fall 2026, with September repeatedly cited; no official date yet
Content partners	NFL, NBA, UFC, NBC Sports, FOX Sports, ESPN, and TNT Sports, plus Cirque du Soleil experiences
Where it ranks	The fourth Cosm in the country, after Los Angeles, Dallas, and Atlanta; Cleveland follows in 2027
Tickets	Not on sale; pricing at other Cosm venues is dynamic by event
Next door	A planned 34,000-square-foot market hall in the same development

What a Cosm Actually Is

Think planetarium, but for sports. Instead, Cosm builds each venue around a massive LED dome, roughly 87 feet across, that wraps viewers in a 180-degree field of view. The company calls the effect Shared Reality. In practice, cameras at the stadium feed the dome, and the room aims to feel like a seat at the game, crowd noise included. Los Angeles and Dallas opened first, Atlanta followed in June 2026, and Detroit becomes the fourth Cosm in the country when it opens. Cleveland comes next in 2027, which puts two of the company’s first five venues in the Midwest.

The Detroit building spans 70,000 square feet at Cadillac Square, part of the same Bedrock development that includes a planned 34,000-square-foot market hall. In other words, the block between Campus Martius and the old Hudson’s site keeps filling in.

Opening Day Is September 10, and Here Is Opening Week

Cosm confirmed the date on July 30: the venue opens to the public Thursday, September 10, at 25 Cadillac Square, timed to the start of football season. The opening slate leans exactly where you would expect.

• Thursday, Sept. 10: the San Francisco 49ers face the Los Angeles Rams, beamed in from Melbourne Cricket Ground in Australia, plus a shared reality screening of Harry Potter and the Sorcerer’s Stone
• Saturday, Sept. 12: Michigan vs. Oklahoma college football
• Thursday, Sept. 17: the Detroit Lions at the Buffalo Bills
• Later in September: Willy Wonka and the Chocolate Factory and The Matrix in the dome

The venue itself runs 70,000 square feet across three levels, built around an 87-foot, 12K-plus LED dome. It holds roughly 1,500 people, with more than 700 of them inside the dome, and adds a wall-to-wall LED screen in The Hall plus a rooftop Deck.

What You Will Actually Watch

Cosm’s national content partnerships cover the NFL, NBA, UFC, NBC Sports, FOX Sports, ESPN, and TNT Sports, and its venues also run immersive Cirque du Soleil shows and art experiences between games. Naturally, the Detroit use case writes itself: Lions road games in a dome a short walk from Ford Field’s neighborhood, with a bar and a crowd.

Still, one caution holds. The venue will not confirm its specific Detroit game lineup until it announces programming. National partnerships set the menu, but each week’s schedule decides what makes the dome.

Tickets: What to Expect When Sales Open

So far, nothing is on sale, and Cosm has not announced Detroit pricing. Meanwhile, at the existing venues, Cosm prices dynamically by event: a regular-season night can be modest, while premium seating for marquee games has run into the hundreds of dollars, per reporting on the Los Angeles and Dallas locations. Therefore, expect tiers, from general admission standing areas to premium dome seating.

When the on-sale date drops, it will come through Cosm’s channels first, so the move is to join the venue’s Detroit waitlist now and let the date come to you. RAW will publish the details the day sales open.

Why It Matters

Downtown’s next act centers on experiences that do not fit in a sports bar or a stadium, and Cosm is the most literal version of that bet. In short, a dome that sells out for a road game brings more feet downtown on weekends the Lions play in Green Bay, not just when they play at home. Add the market hall next door, and Cadillac Square becomes a destination block again. Follow RAW’s Things to Do coverage for the opening date and first look.

Cosm Detroit FAQ

What is Cosm Detroit?
A 70,000-square-foot immersive venue at Bedrock’s Development at Cadillac Square, built around a roughly 87-foot LED dome with a 180-degree picture.

When does it open?
Fall 2026, with September repeatedly cited in local reporting. No official date or on-sale has been announced.

What can you watch?
Cosm’s partners include the NFL, NBA, UFC, NBC Sports, FOX Sports, ESPN, and TNT Sports, plus Cirque du Soleil experiences. Detroit’s specific lineup will be confirmed at opening.

How much are tickets?
Detroit pricing is not announced. Other Cosm venues price dynamically, with premium seats for big games running into the hundreds of dollars.

Where is it?
At the Development at Cadillac Square, two blocks from Campus Martius in downtown Detroit.

Published July 17, 2026. Details come from Cosm, Bedrock, and local reporting including Axios Detroit, and plans can change before opening.