Humble Bundle just added three games to Humble Monthlys Humble Trove. The games that were added include Blackguards, Broken Sword 4: The Angel of Death, Shady Knight.
The Humble Trove is a catalog of 60+ DRM-free games and Humble Originals. New titles are added every month as a perk for Humble Monthly subscribers. Humble Monthly subscribers are free to download and play the entire catalog.
Source: N4G PC Shady Knight, Blackguards, Broken Sword 4 added to Humble Trove