And I think they had to give an Announcement, this time.
Last time it was a different matter, GameSpy code was used to run the online Component part of PC versions of Crysis 1, Borderlands 1, and Dungeon Defenders (as alternative to Steam). Some of those may still work for until the May 20 Cut off, but I sure. In December '12, they just shut down Several Severs for games like Sniper Elite, with no warning.. Nothing that the Devs could do about it, as they found out the morning after: http://sniperelitev2.com/Forum/default.aspx?g=posts&t=2062
Do you know how old Dungeon Defenders was when Gamespy was pulled? Just over a year old, the last DLC was only 6 weeks old. Actually DD last DLC was in June 2013.. 6 months AFTER the Gamespy dropped support. (That DLC was supposed to be a "hold over" for Delayed Sequel which was due in 2013.. (but they had to rebuild the game after May 2013.)
I know that some games on other consoles can no longer be played online.. Some of them did use a Gamespy back end too.