Once again, the Humble Bundle team has put together a package of DRM-free indie games in support of its chosen charities, with users paying whatever amount they want for four cross-platform games. Buyers paying above the average price ($4.03 at present) also get two additional games, with more said to be coming. Soundtracks are included for some of the games, all of which run on the PC, Mac, Linux and Android platforms (system requirements vary)….