Mercenaries 2: World in Flames (NA) | PC game | Download discounts at Green Man Gaming for $2 + free shipping
Use this code to make it $2.00: GMG20-GGN5D-FC3NA
otherwise it's $2.49.
Requires Origin. Also, they key they give you doesn't work on the normal Origin redeem code option. You must go to this website to activate and enter your Origin information on there: https://activate.ea.com/activategame.do
After all that, I finally have the game on my Origin account for $2!! Sweet deal!