Festival Of Steam 2025 Dates. Event dates for the first half of 2025 have been revealed, which includes two next fest sales.  — steam’s next fest for june 2025 is now live, bringing players a full week of new information on upcoming titles.

 — the steam next fest 2025 runs all week until june 17, and fans can jump in on all the action by just heading to the steam website to get started. This sneak peek at the next fest june 2025 lineup of participants and events is designed to help you discover new upcoming games that you are excited to share with your audience.