Microsoft XO18 roundup: Microsoft acquires game studios InXile and Obsidian, announces 91M+ MAUs for Minecraft, and says Minecraft Marketplace has 77 partners
Microsoft is throwing a big fan bash in Mexico City, and it made a lot of news announcements about new games, services, and acquisitions at its XO18 fan event.
Context & Ripple Effects
The XO18 announcements are Microsoft's second studio-buying wave of 2018: five months after [[a:930448|creating The Initiative and acquiring Undead Labs, Playground Games, Ninja Theory, and Compulsion]], it adds InXile and Obsidian to Microsoft Studios, which Matt Booty has run since his January promotion to corporate VP. Alongside the M&A, the Minecraft numbers show why the ecosystem strategy matters — 91M+ monthly active users and a Marketplace now at 77 partners, up from the $7M already paid out to creators in April.
The through-line is content ownership: every acquisition converts a third-party relationship into exclusive first-party capacity, and the Minecraft figures show the platform-side monetization running in parallel.
First-order effects
- Obsidian and InXile move from independent RPG developers with uncertain financing to Microsoft-funded first-party studios, joining the six studios acquired in June under Booty's Microsoft Studios.
- Microsoft's first-party slate for Xbox and PC expands by two veteran RPG teams at a moment when its own numbers show Minecraft alone holding 91M+ monthly players.
Second-order effects
- Rival console holders face a shrinking pool of independent mid-size studios as Microsoft absorbs them, raising the price of any comparable acquisition and pushing competitors toward their own exclusivity deals.
- Minecraft Marketplace's 77-partner roster gives creators a distribution channel that scales with the 91M+ user base, deepening the creator-economy moat around the title rather than one-off game sales.
Third-order effects
- If the 2018 pattern holds, platform consolidation of independent studios becomes structural — a trajectory that culminates in Microsoft's later CMA filings describing an Xbox Mobile Platform and its own game store alongside the Activision Blizzard bid.
- For the acquired studios themselves, independence ends but scale arrives: the 2026 profile of Obsidian shows the trade-off playing out as pressure to shorten development times and cut costs across multiple annual releases.
The trend: Console gaming is consolidating around platform holders buying independent studios outright, pairing owned first-party content with ecosystem-level monetization like Minecraft's creator marketplace.