Player sign-in and authentication

Build your live game with a player account and authentication system to provide a secure and continuous gameplay experience across multiple devices.

The foundation of live games

The most successful live games engage players with features for community building, as well as progression and purchase tracking. Provide a persistent player identity to help your players make the most of these features and develop a deeper connection with your game.

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Picture of game console controllers, a keyboard, mouse, headphones, and oculus

Cross-platform support

Launching on multiple platforms can encourage players to play your game more often. Deliver a smooth and persistent player experience across devices so they can pick up where they left off.

Flexible implementation

Unity Authentication and Unity Player Accounts offer you the flexibility to oversee your players’ identities by providing mix-and-match features suited to your game and target platforms.

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Use cases

Enable cross-platform experiences
Authentication | Cloud Save

Set up sign-ins with platform accounts so your players can sign in from any device and keep playing from where they left off.

Protect your economy
Authentication | Economy

Set up authenticated sign-in to associate each player with unique tokens and an ID that can’t be manipulated by anyone else.

Enjoy multiplayer game support
Authentication | Lobby | Matchmaker

Use Authentication with Lobby and Matchmaker so your players can securely and anonymously authenticate, connect, communicate, and form groups to play your game in a party.

Supporting products


Authenticate players for a seamless user experience. Supports anonymous sign-in, Unity Player Accounts, platform-specific sign-in solutions, and bring-your-own identity systems.

Player Accounts

Part of Authentication, Player Accounts is a Unity-branded, browser-based player account and sign-in solution. It provides a secure, consistent, and seamless account experience.

Cloud Save

Flexible and easy-to-use, Cloud Save allows you to track and store player data like progression, abilities, and statistics to the cloud. 

Learn more

Authentication documentation

Read the documentation for Authentication to learn more.

Player Accounts documentation

Read the Player Accounts documentation for more information.


Visit the forum to ask questions and find solutions from the community and the Unity team.

Build the foundation for a great player experience

Increase engagement and provide consistent experiences by adding a player identity system to your game. It’s built to integrate seamlessly with Unity projects and is free to use.

Frequently asked questions

How do Player Accounts and Authentication fit together?

Authentication is a solution for you to create new users within games. It supports platform-specific logins on Google Play, Apple, Facebook, Steam, and in-house sign-in solutions. Player Accounts is Unity’s sign-in solution that ensures persistence across platforms, devices, and games.

Should I use Authentication or Player Accounts?

Choose Authentication when:

  • You already have a third-party or custom identity solution and want to continue using it with Unity Gaming Services (UGS).
  • You do not need an identity solution, but want to offer your players the ability to sign in either anonymously or with popular platforms (Google, Google Play Games, Apple, Apple Game Center, etc.).

Choose Player Accounts when:

  • You want to have an identity solution that is cross-game and cross-publisher.
  • You want to offer email and password sign-in and signup capabilities.
How much do Player Accounts and Authentication cost?

Unity Player Accounts and Unity Authentication are both free products.

What platforms and languages does Player Accounts support?

Player Accounts currently supports Android, iOS, Windows, and MacOS. 

Language support includes Arabic, English, French, German, Indonesian, Italian, Japanese, Korean, Polish, Portuguese (BR), Russian, Spanish, and Turkish.

Is Player Accounts a requirement/dependency for Authentication or UGS?

Player Accounts is just one identity provider that Authentication supports, in addition to anonymous, Apple, Google, Facebook, Steam, etc.

What Unity services depend on Authentication?

The following requires Authentication:

Cloud Save, Economy, Lobby, Relay, Matchmaker, Friends, UGC, Moderation*

* Not available to the general public yet, still in development/beta 

These services are integrated but not required:

Voice and Text Chat (Vivox), Analytics, Player Engagement

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