Steam Next Fest's demo deadline falls on September 28, and the fest opens October 19
Valve's deadline for getting a demo into October's Steam Next Fest falls on September 28, and the fest itself opens on October 19. Valve's Steamworks page for the event says that by September 28 "all required items must be submitted for review" for a game to be prepared for the fest, which runs to October 26.
The ASMBL demo is one of two VR-only demos Steam dates to October 19, the day Next Fest opens. Image: Carbon Copy Labs
The dates themselves are not new. Valve posted them on its public Next Fest page on August 4 and last updated that announcement on August 27: "Save the date for the October 2026 edition, headed to Steam October 19 through 26".
The next fixed point is the press preview, which opens on October 8 at 10:00 PDT and covers every demo whose developer opted in. Developers who wanted a demo live for that preview had an earlier submission date of September 14, and registration closed on August 31.
Two VR-only demos carry the October 19 date so far
Read on September 28, Valve's store listings date two VR-only demos to the opening day: Sapphobos (DEMO) from G.I.L.L.E.S. and the ASMBL demo published by Carbon Copy Labs, both listed as coming soon on October 19. Two more VR-only demos, Stacksquatch and Orb Rush VR, carry a bare "October 2026".
Those dates are the developers' own store entries and can move, so a count taken three weeks out is a snapshot rather than a line-up. Valve has published no list of VR demos for the fest, and it publishes no Frame-specific one.
What a Frame owner cannot read off any of these pages is how a given demo will run on the headset. Frame compatibility is rated per title on Steam, and Valve listed 143 Steam Frame Verified games on September 18, fewer than half of them VR titles.
The first edition to fall after Steam Frame went on sale
Steam Frame reached buyers in September, which makes this the first Next Fest a Frame owner can spend inside a headset. That is a point about the calendar rather than a Valve claim: the announcement and the event documentation say nothing about VR or Steam Frame, and Next Fest is a storefront-wide week of free demos rather than a VR showcase.
Eligibility is narrower than the name suggests. Valve requires a published, public store page, "a publicly playable demo by the time the festival begins", and a game "to be released any time after the conclusion of the fest on October 26, 2026", and it allows a title to take part in only one Next Fest ever.
Six VR games have dated October releases across Quest, Steam and PS VR2, and the fest week sits in the middle of them. A demo festival is a different proposition from a release slate, since Valve's own rule keeps participating titles out of the shops until after October 26. Valve says the fest concludes that day with a wrap-up featuring the most played demos, and that the next edition after this one is planned for February 2027.
