Collecting Dog Tags is a challenging but rewarding side activity. Each enemy in the game carries a unique Dog Tag, which can be obtained by holding them up at gunpoint. Collecting a certain number of Dog Tags unlocks special items and difficulty modes. This encourages a more aggressive, yet still stealthy, approach to enemy encounters.

- Method: Hold up enemies at gunpoint.
- Rewards: Stealth Camo, Bandana, new difficulty modes.
- Challenge: Requires precise timing and stealth.