A game called Bomber Crew is free on Steam, via a Steam Key given by Humble Bundle.
Expires 17th January.
Chocks away! Bomber Crew is a strategic simulation game, where picking the right crew and keeping your bomber in tip top shape is the difference between completing your mission or losing it all!
(More info on the game: Bomber Crew on Steam).
Get the game for free:
Click the green “Get The Game” button.
Click “Get It Now”
Easy way: Either wait for an email from Humble Bundle containing the key.
Redeem the key here: https://store.steampowered.com/account/registerkey.
[ OR ]
Impatient way: On the website, click the “Preview your email” button.
Click “Redeem Now”.
Scroll to the bottom of the page and click “Reveal Steam Key”.
Then click “Redeem”.