Batman - The Telltale Series "Episode 1" FREE for a LIMITED TIME ONLY!
With Episode 2 and 3 now being released on steam, Telltale Games is giving away EP1 for free for a limited time.
Add it to your steam library between now and Nov 7th and keep it forever.
http://store.steampowered.com/app/498240/
To add it to your library go to the steam store page linked above, scroll down to where it informs you about this promotion and click on the image.