It arrived at an old email address, one that you don't check every day since it's usually full of spam and junk mail. But even after all the filtering and killfiling, the inbox insisted that one message was still there, dated a few days ago.
So you had a look.
21st place (out of 38) in the 8th Annual Interactive Fiction Competition.
This was a web-based game. Unfortunately the domain used seems to have been taken over by someone else, and Sun and Moon can no longer be played.
[+] Users who have solved this game
[+] Users currently playing this game