Sunday, 16. September 2018 Articles / Free GamesENCORE: 3 STEAM Games for FREE - Collect STAMPS! Day 4 0 Collect stamps and grab FREEBIES! Collect a stamp for your DAILY visit to the Humble Bundle Store Home Page and grab three (!!) FREE Steam games! You can also collect a stamp for every $5 you spend on the Humble Store! The games: "Glass Masquerade, Slay.one and Murderous Pursuits. Collect your stamps here. ▶ Ended... Find updates here! To see ALL deals head over to the game deals page.