Indie Gala Monday Bundle (4 Steam, 4 Desura) for $1 USD (First 24 Hours), $1.98 After

Pay $1 in the first 24 hours for 4 Desura games and 4 Steam games. after that it's $1.98.

Note: Indie Gala has implemented the system that Humble Bundle has been using since the end of last year where you have to connect your Steam account to your Indie Gala profile first then click on a button to redeem the game instead of copying the Steam key into the Steam client directly.

Desura

• Duplicity
• Heileen (on Greenlight)
• Bionic Heart (on Greenlight)
• Eve Burst Error

Steam

• Vanguard Princess
• 99 Spirits
• Human Tanks I - War of the Human Tanks
• Ether Vapor Remaster

All Steam games have Steam Trading Cards so you can pretty much make your money back if you sell those if you can be bothered.