Real time multiplayer game using Firebase

[Utkarsh Parasrampuria]

Hi, I want to build a real time multiplayer game in Unity. For simplicity and prototyping purposes, I want to make a 3D free roam map where multiple users can race their cars and bash into each other. I am considering Unity Multiplayer, Photon and Firebase RTDB as my backend options.

I have already successfully developed a turn based card game (Poker) using Firebase and it was an amazing experience for our team. It was a bit tough, but the resulting product worked really well. I have heard concerns from people over latency issues with Firebase (and other problems like pricing model). I want to know if Firebase can actually be used as a backend solution for my use case? Will it work good enough? I know I will have to develop solutions like matchmaking, lag compensation and other solutions which are already solved in Photon and Unity Multiplayer, but I want to try out Firebase and try to see if a better solution is possible.

At the moment, I don't really care about pricing until it will be wildly higher than other options. I just need to know if I should even consider Firebase for such a use case.

[Sam Stern]

Hi Utkarsh,

Realtime Database is a good choice for low-latency state syncing in a mobile game.  However you will definitely have to be clever in how you use it!  There's no database in the world that's fast enough to sync frame-by-frame game state across many clients, but I think you're already aware of the general challenges.  I have not personally used Unity Multiplayer or Photon so I can't really compare it to those services.

- Sam

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