← Steam FestsThemed fest
Mountaineering Fest
May 31 – Jun 3, 2027 UTC · starts in 209 days. Dates, rules and developer deadlines of the fest. The lineup appears here once Steam shows which games signed up.
Rules and registration on Steamworks ↗Mountaineering Fest · starts in Add to Google Calendar
Starts May 31, 2027 at 17:00 UTC (May 31 at 10:00 Pacific)StartsMay 31, 2027 at 17:00 UTCMay 31 at 10:00 Pacific
EndsJune 3, 2027 at 17:00 UTCJune 3 at 10:00 Pacific
Length3 daysMay 31 – Jun 3, 2027
Lineupnot public yetwe check every game on Steam daily
What the fest is
Mountaineering Fest is a few days on Steam for games about climbing mountains. The fest’s page has sections for discounted games, unreleased games and demos.
Which games fit
Our summary of the fest’s rules on Steamworks. Whether a game fits is up to Valve.Usually fit
- Climbing mountains is the core of the game.
- Ascents, routes, ropes, weather and altitude.
- Climbing sims and climbing platformers alike.
Usually don’t
- Games where a mountain is only a backdrop.
Key dates for developers
- NowRegistration is open. Valve emails invitations to games that fit; each game is registered on the fest’s page in Steamworks.
- The fest starts · May 31, 2027 at 17:00 UTCLast moment to enter a discount for the fest or take a game out of it. The fest’s page goes live on Steam.
- The fest ends · June 3, 2027 at 17:00 UTCFest discounts end with it. What the fest gave its games, players before, during and after, appears on this page.
What the last themed fest gave its games
At Steam Scream V (Oct 26 – Nov 2, 2026), the median game in the fest changed its average players per day by +17% against the same days a week earlier. Horror games outside the fest, for comparison: +3%.
Steam Scream V results →Questions about Mountaineering Fest
- When is Mountaineering Fest?
- Mountaineering Fest runs on Steam from May 31, 2027 at 17:00 to June 3, 2027 at 17:00 UTC (May 31 at 10:00 to June 3 at 10:00 Pacific time), 3 days.
- Which games can take part in Mountaineering Fest?
- Games about climbing mountains: ascents, routes, ropes and the weather on the way up. A mountain in the background isn’t enough.
- How does a developer sign up?
- Register each game on the fest’s page in Steamworks. To take part with a discount, enter it before the fest starts on May 31, 2027 at 17:00 UTC; until then a game can also be taken out of the fest.
- Where can I see the games in Mountaineering Fest?
- Steam shows sign-ups at the games themselves, usually close to the start. We check every game on Steam once a day, and the lineup appears on this page as soon as the first sign-ups do.
- What does a themed fest give games?
- At Steam Scream V (Oct 26 – Nov 2, 2026), the median game in the fest changed its average players per day by +17% against the same days a week earlier. Horror games outside the fest, for comparison: +3%.