Croteam's philosophical first-person puzzler, The Talos Principle, is now available for pre-order and owners of Serious Sam 3 receive a total of 15% off the purchase.
http://store.steampowered.com/app/257510
Spread the news and don't forget to join official The Talos Principle Community Group to win free games from Croteam and Devolver Digital!
http://steamcommunity.com/games/257510