This year's game jam theme was 'Transmission'.  We tried our hand in prototyping something we've had in the back of our minds for a while now, the very first glimpse of a multiplayer capable space adventure.
Jam Site: https://globalgamejam.org/2018/games/nanomen-co-op-adventure
WebGL (don't use Safari):  http://gamejam2018.fourfats.com/