Both of them aren't including the base game, so you need to own Ghost Warrior 2, with those key you will now own
Ghost Warrior 2 Collector's Edition (base game is 20 $ and the collector edition is 30$ )
I know i have no reputation yet, but we need to start some where T.T
I have
Ghost Warrior 2 Collector's Edition Content Upgrade Key,
Ghost Warrior 2 Multiplayer Character Pack
Both of them aren't including the base game, so you need to own Ghost Warrior 2, with those key you will now own
Ghost Warrior 2 Collector's Edition (base game is 20 $ and the collector edition is 30$ )
I know i have no reputation yet, but we need to start some where T.T