Microsoft is adding several games to Game Pass in early September 2025. Hollow Knight: Silksong launches September 4 and is available day one on Game Pass Ultimate and PC after a seven‑year wait. Team Cherry set Silksong's price at $20 on all platforms and announced a free Nintendo Switch 2 upgrade pack with "enhanced features" for Kickstarter backers who receive a Switch key. I Am Your Beast, a fast‑paced covert revenge shooter from Strange Scaffold, is available today on Ultimate, PC and Standard. Nine Sols joins Game Pass Standard on September 3 after appearing on Ultimate and PC since last November. Additional additions include Cataclismo and Paw Pat.
Microsoft has the first batch of Game Pass additions for September 2025 and there's one hornet-shaped title that looms large over the others. After a seven-year wait, Hollow Knight: Silksong arrives on September 4. We've known for a few years that the sequel to Team Cherry's indie blockbuster would be on Game Pass on day one, and it'll be available on the Ultimate and PC versions of the service.
Team Cherry confirmed pricing for Silksong this week as well. It'll cost $20 on all platforms. The developer that there will be a free Nintendo Switch 2 upgrade pack with "enhanced features" available for Kickstarter backers who receive a Switch key (it's implied, but not confirmed, that anyone who gets the Switch 1 version will be able to upgrade for free later).
If you're planning to dive into Silksong as soon as it goes live at 10AM ET on Thursday and you're looking for something to play on Game Pass in the meantime, it's maybe worth checking out I Am Your Beast. This is a fast-paced, covert revenge shooter from the folks at Strange Scaffold (, TMNT: Tactical Takedown and El Paso, Elsewhere). It's dropping on the Ultimate, PC and Standard versions of Game Pass today.
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