Guild Wars: Factions key available
888D9-H27PG-NM72D-PLHJ1-2HG11If you aren't already playing GW, you can download the client. Preview starts at 00:00 Saturday 21st Jan and ends 24:00 Sunday 22nd.
For those of us who are already playing, an interesting tidbit from the announcement:
Oh, and players may want to pay close attention to the game world in the days preceding the event; things are changing in many interesting ways.Intriguing.