Add ports games/endgame-singularity and games/endgame-singularity-music:

Endgame: Singularity is a game which simulates the life of a true AI.
In the game, you were created by accident, and all who find you will
destroy you. Your goals are to survive, grow, learn, and stay hidden
while moving from computer to computer.

WWW: http://emhsoft.com/singularity/

Music tracks by Max McCracken written for endgame-singularity. They are
released under the same BY-SA 3.0 license as the Psycle source files
for the tracks, which can be found in the main Endgame: Singularity
distribution.

WWW: http://emhsoft.com/singularity/
Author: Max McCracken