Unity Gaming Services

Unity Gaming Services (UGS) is the family of hosted backend, multiplayer and live-operations services that Unity Technologies offers alongside the Unity engine. It covers player authentication, cloud saves, server-side code, economy and remote configuration, analytics, lobbies, matchmaking, relay networking and voice chat, each available as a separate service with its own free tier. Unity's documentation pitches the family as a way to run a game "without having to worry about maintaining or scaling your back-end infrastructure." Among gaming backends, UGS is the default starting point for teams already building in Unity.

The service family

Unity's documentation groups the services under three headings, as checked in October 2026.

Cloud Code runs serverless functions for game logic. Game Overrides is the LiveOps targeting layer: it uses Analytics data to define player audiences and temporarily changes Remote Config, Economy, Matchmaker or Cloud Content Delivery settings for those audiences on a schedule. The services are designed to be adopted one at a time, which makes UGS closer to a toolkit than to a single integrated platform.

The 2026 Multiplay hosting deprecation

Until 2026 the family also included Multiplay Game Server Hosting, Unity's dedicated server hosting and orchestration service. Unity deprecated it on April 1, 2026. Its status notice states that customers can no longer start new game servers or make new allocations on the service, with one exception: studios that had declared an intention to migrate to Multiplay by Rocket Science before the March 31 cut-off could keep running until their migration finished.

What replaced it is not another Unity product. Unity licensed the Multiplay hosting software to Rocket Science Group, a company founded by Multiplay veterans, which now operates the platform independently as Multiplay by Rocket Science. Multiplay's own site describes the change as an acquisition completed in late 2025, while Unity staff described it as a licence; the practical outcome is the same, with hosting moving to an outside company. Studios that did not follow it there moved to other hosting providers, a market surveyed on the Unity Multiplay alternatives page.

Unity staff said in December 2025 that "only Multiplay Hosting is impacted, our other Multiplayer Services are not affected by this change." Matchmaker, Relay, Lobby and Distributed Authority continued. Because Matchmaker had allocated servers only through Multiplay or client hosting, Unity said it was extending it to work with third-party hosts ahead of the cut-off, and the Matchmaker documentation now describes "integration with your preferred hosting provider." According to the same forum thread, Multiplay features were removed from Unity 6.3 LTS.

The Multiplayer Services SDK

The Multiplayer Services SDK is Unity's consolidated client package for online play. Per the documentation, it "unifies Lobby, Matchmaker, and Relay under a single, cohesive API, replacing their individual SDKs." Its central abstraction is the session, which Unity describes as "an abstraction layer that manages how players connect and interact in multiplayer games," covering player grouping, connection management and coordination for both peer-to-peer and dedicated-server games.

For developers, the effect is that creating a lobby, joining by code, matchmaking into a group and connecting through a relay become variations of one session workflow instead of three integrations. With first-party hosting gone, the SDK and the services behind it are the core of Unity's multiplayer offering.

Pricing and fit

UGS is priced per service with free allowances and pay-as-you-go overage. On Unity's pricing page in October 2026, Authentication and Remote Config were listed as free; Cloud Code included one million invocations per month; Cloud Save included 5 GiB of storage; Analytics was free up to 50,000 monthly active users; and Relay was free up to 50 average monthly concurrent users, then $0.16 per additional average concurrent user.

UGS fits Unity teams that want engine-integrated services and low entry cost, particularly for client-hosted or relay-based multiplayer. It fits less well when a game needs dedicated servers from the same vendor, deep server-authoritative logic, or a backend that is independent of engine choice. Alternatives include PlayFab, Nakama, AccelByte, Beamable and Photon.