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Active2019–· San Diego, California, US

Playable Worlds

Raph Koster's cloud-native sandbox studio, building Stars Reach — a science-fantasy MMORPG with fully simulated planets that entered its Steam early access run in summer 2026 after a record-setting Kickstarter.

Studio lineage

  • Founded by Raph Koster, creative lead of Ultima Online and creative director of Star Wars Galaxies. (as of 2026-07-19 · source ↗)

Key people

Playable Worlds games in the MMOlist database