Mossmouth
Indie Dev Zone in San Francisco, California
Type: Indie Studio
Derek Yu's San Francisco studio founded in 2009. Creators of Spelunky (2008/2012/2020) and UFO 50 (2024), an anthology of 50 fictional retro games that was an IGF 2025 Grand Prize finalist. Based in San Francisco, California. Independent game studios self-fund or partner with publishers to ship games on their own terms - small teams, distinctive art direction, and direct community engagement. Many of the most loved games of the past decade come from studios at this scale. Check mossmouth.com for their game catalog, current projects, and hiring info.
Website: https://www.mossmouth.com/
Frequently asked
What is Mossmouth?
Derek Yu's San Francisco studio founded in 2009.
Where is Mossmouth located?
Mossmouth is located in San Francisco, California.
Does Mossmouth have a website?
Yes — you can visit Mossmouth at www.mossmouth.com.
Is Mossmouth verified on Grid Travler?
Yes. Every Grid Travler listing has a hand-checked, working homepage URL and a real US location — never Yelp, Google Maps, or TripAdvisor as a source.