This one will take u just about 2 minutes and you will get 8 games.
List of Games:
1) Pirates of Black Cove
2) Two Worlds 2
3) Two Worlds - GOTY
6) East India Company
7) Knights and Merchants
8) Commander: Conquest of the America
It's really simple you just need to:
After registration you will receive a activation email and password.
Then just log into your new account and go upwards right on Profile/Keys.
Have fun :)