In the card game Compile, you are competing Artificial Intelligences trying to understand the world around you. Two players select three Protocols each to test. Concepts ranging from Darkness to Water are pitted against each other to reach ultimate understanding. Play cards into your Protocols' command lines to breach the threshold and defeat your opponent to Compile. But be careful! Moving and revealing cards have immediate action. You have to think like a computer, and think ahead, or you'll end up playing right into your opponent's hands. First to Compile all three Protocols grasps those concepts to win the game. Control your opponent's Protocols with card actions, Compile your own as fast as possible, and Compile your reality. This second auxiliary pack offers three new Protocols to add to your game.