Same for Windows - do NOT take the app/thing to load the game out, keep it in the folder. Click on it and it will tell you if you want to extract all the files, say YES. Soon another window will open you you'll be able to download the game.
750+ points is needed! Just hunt elk with a low health bar, or dominate other wolves and make them leave, but don't kill them! Got there myself and it does work ^^