Free Metro 2033* (yes there is a small catch)
The catch is you need to have access to a facebook account.
If you "Like" the THQ page they give you a Key for the game.
If the link doesn't work, try searching in facebook for "Metro Free"
I stopped at where it gave you the key then just activated it in steam
Planetside 2 -> CasualVanu on Emerald + others, PM me if you want to be a gunner on a tank!
Origin name -> z4rni
Steam Name,Epic Launcher,GOG Galaxy-> zarni