Humble Indie Bundle #4 has arrived with your chance to pay what you want for Jamestown,Bit.Trip Runner,Super Meat Boy,Shank,and NightSky HD. Pay more than the average price (which at time of writing was $4.81), and you’ll also receiveGratuitous Space BattlesandCave Story+. You can even choose to send a portion of the proceeds to the Child’s Play and American Red Cross charities. Check out the Humble Indie Bundle 4 here.