After payment you receive data from Steam account in the format Username: Password.
On account guaranteed activated 10 or more games.
Possible games:
Arma 2: Operation Arrowhead
Arma 3
BioShock Infinite
Borderlands 2
Call of Duty Black Ops II
Call of Duty: Modern Warfare 3
Counter-Strike 1.6
Counter-Strike: Source
Counter-Strike: Global Offensive
Grand Theft Auto IV
GRID 2
Left 4 Dead 2
Metro Last Light
Payday 2
Portal 2
Saints Row IV
Tomb Raider
Also, an
Steam