"status?" a voice crackled in his earpiece. It was Kira, back at the Safe Zone.
Furthermore, the trend is moving toward "keyless" activation. Soon, you might simply buy the game and it auto-populates to your email. However, for indie titles, the CD key remains the universal standard for giving gifts and trading games.
If you are looking for an original CD key code for the WildTangent version, those servers are largely defunct. However, keys for the Steam or standalone versions are still circulating.
First, it is crucial to address a hard truth: Websites that claim to offer "Zombie Strike CD key codes" or a "key generator" fall into three categories:
Analysis of "Zombie Strike" CD Key and Redemption Codes Zombie Strike