Lucasarts has released a number of their older titles for both Steam and Direct2Drive. They packaged the games together, one package containing Jedi Knight series, the other package having a few of their classic adventure games.
Direct2Drive adventure game pack contains The Dig, Fate of Atlantis, Last Crusade and Loom for $9.95, and the Jedi Knight bundle has Dark Forces, Jedi Knight II & Jedi Academy for $14.95.
Steam, has the same adventure pack for $9.99 (save .04 using Direct2Drive!) and all five Jedi Knight games for $20.
Loom has to have one of the worst covers, ever.