Mac users interested in Gamesalad os x 10.5.8 generally download:
There's no faster or easier way to get started building a game than with GameSalad Creator. Its visual, drag & drop based style requires absolutely no coding whatsoever. Avoid spending hours poring over code, and spend more time finding the fun.
GameSalad's wide variety of complex behaviors provide almost limitless freedom for varied game genres, styles, and mechanics.