The Mommy's Best Action Pack +OST features all 4 games plus all 4 soundtracks! And it's a proper Steam 'Bundle' so you'll only be charged for games/soundtracks you don't already own. If you already have Game Type, but don't have the others, this bundle will not charge you for this game! http://store.steampowered.com/bundle/2596/ Thank you for your support and for those that have already purchased--we appreciate it!