Go here to get it: www.Wolfire.com/Humble
Also, everyone who buys the bundle will be in a position to purchase the rest of the Penumbra series at a 75% discount ($ 5 that is)!
I think this is a quite good offer you and also an chance to do some great :) If you consider likewise please spread the word! Don't forget, it will only final for 7 days!
Please Note: The 75% discount ends the exact same day that the Bundle ends!