Indiegala's eternal giveaways have rotated again, and now Game Tycoon 1.5 is up for grabs. The game is garbage, apparently, but heyho, it's there if you want it. At least it has trading cards!
If you're new to this - make an account with Indiegala, connect your Steam account, then you can click the X on the box to skip the "Share" options and hit the Claim button.
Steam link to the game:http://store.steampowered.com/app/273770/
Edit: Updated to reflect that the game does have Trading Cards.