The Humble Origin Bundle which includes Dead Space, Dead Space 3, Burnout Paradise: The Ultimate Box, Crysis 2: Maximum Edition, Mirror's Edge, Medal of Honor, Battlefield 3 and The Sims 3 Starter Pack now also includes Command & Conquer: Red Alert 3 - Uprising and Populous.
So far, the funds generated have surpassed $1.7 million.
There are only five days left on the bundle so you should pick it up before then. Note that if you already purchased the bundle, the new games are unlocked regardless, so you can download them without having to buy the bundle again. Just go to the email link sent to you when you purchased the bundle, and you will find keys for the two new added games to the list.