Dumb: The Game is an extremely addictive puzzle game, with the added addictiveness of a "world rankings" scoreboard to prove to the world just how smart you are. If you get stuck, the forums contain a LOT of hints. [More inside]
posted by antifuse on Mar 23, 2006 - 23 comments

Fun & Joy is a addictiing little mindless game. Don't let the fact that it was probably written for younger ones stop you from zoning out. See also. [note: flash]
posted by crunchland on Oct 11, 2005 - 24 comments

Gyroball. [Flash, Addictive]. Remember Marble Madness? At least the controls on that game were orthogonal.
posted by psychotic_venom on Apr 5, 2005 - 24 comments

At the recent Digital Games Research Conference held at the University of Utrecht, Netherlands, Florence Chee and Richard Smith presented a paper on Everquest and its implications for addiction policy. Here's the full text and a decent summary here.
posted by Ufez Jones on Nov 7, 2003 - 5 comments

Dyson telescope game. Fiendishly addictive. Don't ask me what it has to do with industrial vacuum cleaners. (Via Bifurcated Rivets)
posted by gottabefunky on Sep 25, 2003 - 29 comments

New and improved crack! Now with better hypnotics!
posted by crunchland on Apr 21, 2002 - 8 comments

As addictive as heroin, but without the needle tracks. If you spent days on end playing tetris, don't even think about playing this game. It's too late for me, I'm already dead.
posted by plinth on May 24, 2000 - 12 comments