It's Halloween time and that means sales time! Yes, it's time for major discounts.
You can get The Talos Principle and the Soundtrack for 40% off and Road to Gehenna and Serious DLC for 33% off.
Also, Serious Sam games are available for 90% off.
Offer ends on November 2nd.
Happy Halloween people!
http://store.steampowered.com/search/?snr=1_4_4__12&term=Croteam