Welcome space travler. A friendly reminder: You only get one life.
Introducing the 48 hour MMO. You said it was a bad idea, and from the start and in retrospect, it probably was. Regardless, it's an MMO, it's free, and it's technically in 3D, as requested.
Coincidentally, this game is the first publicly released MMO make with the LÖVE framework.
How to play
Visit the HTTPS server webpage.