
Description: Unity Multiplayer is a set of tools and interfaces that allow Unity developers to add multiplayer functionality to their games. It supports building games that can be played over LAN or the internet. Key features include a networked scene system, matchmaking, lobbies, NAT punchthrough, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Photon Engine is a proprietary multiplayer game development platform that provides a real-time multiplayer game backend and networking engine. It handles hosting, networking, matchmaking, lag compensation and has out-of-the-box support for different platforms.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API