Modbox is a multiplayer game creation sandbox for PC / VR / AR. Build and play games with other players online in real time.
Website:
http://www.modboxgame.com
Steam Page:
http://store.steampowered.com/app/414120/
On MagicLeap World:
https://world.magicleap.com/en-us/details/com.alientrap.modbox