As if we need to entice you even more to purchasing THQ's Humble Bundle, they are now offering additionally Titan Quest & Red Faction: Armageddon Path of War. Released back in 2006, Titan Quest is an action RPG that was critized for being a rip off of Blizzard's Diablo II, recieving a MetaCritic average of 77. As an expansion of the 2011 title, Path of War followed the story of a free Mars, with someone caming back to seek revenge against the Red Faction.
As Saint's Row: The Third will join games purchaseable at any price, Titan Quest and mission pack Path to War will be unlocked if you pay more than the average customer. For those Germans reading, let me be the bearer of bad news: Titan Quest isn't available due to the rating rating it recieved. To read into this more, the blog post on Humble Bundle linked to a Wikipedia link showing off why this is true.
Source: Humble Bundle Blog