These are all PC games:
Halo 2 - $19.90
http://www.gogamer.com/Halo-2-DVD-R...VproductId19473615VVcatId444710VVviewprod.htm
Halo 1 - $7.90
http://www.gogamer.com/Halo--Combat...VVproductId4760061VVcatId444710VVviewprod.htm
Hitman: Blood Money - $7.90
http://www.gogamer.com/Hitman--Bloo...VVproductId5589807VVcatId444710VVviewprod.htm
Scarface: The World is Yours - $5.90
http://www.gogamer.com/Scarface--Th...VVproductId8989454VVcatId444710VVviewprod.htm
Starship Troopers - $7.90
http://www.gogamer.com/Starship-Troopers-Front-Page_stcVVproductId4761328VVcatId444710VVviewprod.htm
Resident Evil 3: Nemesis - $7.90
http://www.gogamer.com/Resident-Evi...VVproductId5589933VVcatId444710VVviewprod.htm
Breed - $2.90
http://www.gogamer.com/Breed-Front-Page_stcVVproductId4759339VVcatId444710VVviewprod.htm
Blitzkrieg - $2.90
http://www.gogamer.com/Blitzkrieg--I--Front-Page_stcVVproductId5590216VVcatId444710VVviewprod.htm
Halo 2 - $19.90
http://www.gogamer.com/Halo-2-DVD-R...VproductId19473615VVcatId444710VVviewprod.htm
Halo 1 - $7.90
http://www.gogamer.com/Halo--Combat...VVproductId4760061VVcatId444710VVviewprod.htm
Hitman: Blood Money - $7.90
http://www.gogamer.com/Hitman--Bloo...VVproductId5589807VVcatId444710VVviewprod.htm
Scarface: The World is Yours - $5.90
http://www.gogamer.com/Scarface--Th...VVproductId8989454VVcatId444710VVviewprod.htm
Starship Troopers - $7.90
http://www.gogamer.com/Starship-Troopers-Front-Page_stcVVproductId4761328VVcatId444710VVviewprod.htm
Resident Evil 3: Nemesis - $7.90
http://www.gogamer.com/Resident-Evi...VVproductId5589933VVcatId444710VVviewprod.htm
Breed - $2.90
http://www.gogamer.com/Breed-Front-Page_stcVVproductId4759339VVcatId444710VVviewprod.htm
Blitzkrieg - $2.90
http://www.gogamer.com/Blitzkrieg--I--Front-Page_stcVVproductId5590216VVcatId444710VVviewprod.htm