|First Mate's Key|
|Found||Small room from Torpedo launch|
|Used for||Obtaining the Torpedo Launch Codes|
The First Mate's Key is obtainable in The V-100.
How to obtain (in all other versions)Edit
You can find it after going through the torpedo that a beaver was apparently imprisoned inside. It is laying on the floor.
How to obtain (in Viggo's Revenge) Edit
It is lying in a small room connected to the Sonar Steering room. Approaching it will force you to initiate the minigame. After clearing the minigame, you can retrieve it from the room.