Metal Gear AC!D is a whole new take on the stealth action game. Players must complete their mission by playing out the story in the style of a turn-based card game. This makes the whole game much more difficult than any of the Metal Gear Solid games. In AC!D, getting out of a sticky situation isn't as simple as ploughing through the enemy with your assault rifle until they stopped coming. Instead you have to engage your brain and think tactically about your movements to make the best of the randomly dealed cards from your chosen deck.

The original release of AC!D came with a limited edition cardbook. The book lists every single card available in the game. In truth though, it's much harder to find a copy of AC!D that doesn't have the card book.