Beasts of Prey = 5 keys
Dead Rising 3 = 10 keys
Counter-Strike: Global Offensive = 4.5 keys
Counter-Strike Complete = 4.5 keys
Rust = 6 keys
The Witcher: Enhanced Edition Director's Cut = 1 key
The Witcher 2: Assassins of Kings Enhanced Edition = 2 keys
Unreal Tournament: Game of the Year Edition = 1.5 keys
and many others
Beasts of Prey = 5 keys
Dead Rising 3 = 10 keys
Counter-Strike: Global Offensive = 4.5 keys
Counter-Strike Complete = 4.5 keys
Rust = 6 keys
The Witcher: Enhanced Edition Director's Cut = 1 key
The Witcher 2: Assassins of Kings Enhanced Edition = 2 keys
Unreal Tournament: Game of the Year Edition = 1.5 keys
and many others