I found this article a few days ago (August 05) and found it to be very useful for my game search on here, so im making note of it here for anyone else who hasnt read/bookmarked it yet:
I'm going thru that list as well as all 660 currently listed Desura games (vs. mods) to verify for myself which ones really are free, to screen which ones i want to download, and to see which ones have since become non-free. It's likely that the games which were listed as free but arent free anymore, were free as alpha or beta versions prior to official release at which time the devs switched to transaction model. Demos / trialware / crippleware are unacceptable as free versions, and to list those as free is bait-and-switch greedy business deception.
Thanks to the AGTV & Bundeals forums for providing the list of free finds. There certainly is a treasure trove of free available thru Desura... kudos to all who make it happen. And thanks to the devs who make their games available for free.
update - The following games are not in the above list at the time of this writing:
BLogic (tetris clone)
Dimension Jump (Game Maker game)
Insane Zombie Carnage (mistitled in list)
Puzzle Moppet (needs Desura client)
SilverQuest (needs Desura client)
Two Shields
Wave Rave
When I'm done reviewing the entire list, i'll post the entire updated free game list (not including mods) in alphabetical order.
Dec