Steam Summer Sale Is Here! Also, some other deals

Greenmangaming:
Bioshock Infinite $29.99
Use code GMG20-F202F-UI40F for 20% off!

Gamersgate:
Ravaged $2.50

Amazon:
They will most likely be matching all the daily deals.
Use code Gooncave at checkout for 15% off, useable once per account.