The latest Humble Weekly Bundle, the Humble Weekly Strategy Bundle, offers seven games worth $114 for $9 or more. Pay what you want for Sang-Froid: Tales of Werewolves, Stronghold Crusader HD, and Cubetractor (none of these games are available for Mac or Linux, and all must be redeemed via Steam).
Pay $6 or more and also get Unity of Command: Stalingrad Campaign (available for Mac, Linux and available as a DRM-free download or via Steam), Eador: Masters of the Broken World (available on GOG for Windows and on Steam for Windows and Linux) and Space Hulk (available on Windows, Mac and Linux on Steam).
If you contribute $9 or more, you'll get everything plus Ironclad Tactics (on Windows, Mac and Linux as a DRM-free download or via Steam).
Charities being supported with this bundle include Child's Play and the American Red Cross.
On a related note, the Humble Store is offering a 50 percent discount on DLC for Eador, Ironclad Tactics, and Space Hulk.
Find out more at www.humblebundle.com.