The source code for the openverse server. You can clone it and build your own server with a game/experience on top of it.
PLEASE KEEP IN MIND THAT ALL THIS SOURCE CODE CURRENTLY IS VERY EXPERIMENTAL AND UNFINISHED. THERE STILL ARE A LOT OF THINGS MISSING BEFORE THIS CAN BE A FINALIZED EXPERIENCE
For more information on how to contribute, please view the discord linked in the above chat badge.
If you are interested in creating your own client. Please visit the client respository Here