The official Scirra Multiplayer Signalling Server helps peers using the Construct 2 Multiplayer object find and connect to each other. The signalling server does not relay any actual game data: it merely relays connection details so that peers can make direct connections to each other, and the actual gameplay data travels over those peer-to-peer connections, not via the signalling server. As a result bandwidth requirements should be minimal. For more information about the architecture of the multiplayer engine, see: https://www.scirra.com/tutorials/892/multiplayer-tutorial-1-concepts
Scirra hosts a free official signalling server at wss://multiplayer.scirra.com, running on a high-end dedicated server with a gigabit connection. If this is suitable for your needs, you do not need to run your own signalling server. You may also prefer to rely on the official server if you are not prepared to also run a dedicated server with an SSL certificate, which normally involves additional fees.
The signalling server is based on node.js and runs on Windows, Mac and Linux.
You may also wish to consider:
The signalling server can work with none of the above, but the percentage of users who can successfully connect to the server across the Internet may be reduced. The signalling server can also be used offline on local area networks (LANs) where no SSL certificate or STUN/TURN servers are necessary.
The purchase is a license to run a single signalling server. If you wish to run multiple signalling servers concurrently, additional purchases must be made.
For questions about payments and the store itself, please refer to the Scirra store frequently asked questions
No. Gameplay data travels peer-to-peer over WebRTC Datachannels. The signalling server only relays connectivity details between peers to help them find each other, which uses minimal bandwidth.
You are free to use the official server at wss://multiplayer.scirra.com, even for commercial projects. However you may wish to run your own server to have complete control over your multiplayer infrastructure, or to run games on offline local area networks (LANs).
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Multiplayer signalling server
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