Srushtika Neelakantam continues this great tutorial series: "Welcome to Part 3 of this article series where we are looking at the step by step implementation of a realtime multiplayer game of Space Invaders with Phaser3 and Ably Realtime.

In the previous article, we learned all about networking for realtime multiplayer games and also the Pub/Sub messaging pattern. We then saw the design and channel layout for our game.

In this article, we'll start writing the server-side code to implement Pub/Sub in our application by following the client-server strategy to maintain synchronization between all the players."

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