"Killed Ned. Again"
- Main article: Ned's undead, baby, Ned's undead
- Ned's Undead, Baby can only be missed on multiplayer. Following the story will ensure getting the achievement in single-player.
- In multiplayer, only the person who killed Dr.Ned and the host will get this achievement.
- This achievement is hidden in the Steam version of the game, and won't appear in a Personal Stats page until unlocked.
- The name of this achievement is a reference to Pulp Fiction, where Bruce Willis is asked "Who is Zed?" to which he replies: "Zed's dead baby, Zed's dead".