Amazon is offering deals for today only on a ton of great PlayStation 3 titles, many which include co-op play. Here's what you can snag for almost 50% off.
Uncharted 3 - $39.99
Resistance 3 - $29.99
Ratchet and Clank: All 4 One - $29.99
Killzone 3 - $19.99
Dead Island - $29.99
Resistance Dual Pack - $19.99
You can go ahead and purchase any of those games at this link here and support Co-Optimus in the process.
Source: Amazon.com