- Name: The Key
- Value: 100 Pokos
- Set: Explorer's Friend Series
- Weight: 1 gram
The Key is a treasure in Pikmin 2. The Key is found inside the body of a Beady Long Legs on the last (5) sublevel of the Citadel of Spiders. The Key doesn't only increase your Poko total, it also unlocks Challenge Mode, which can be found in the Main Menu.