K-2L is an Earth colony, and is where Samus Aran was born. It was attacked by Ridley prior to the events of Super Smash Bros. Crossover. K-2L makes its first appearance in Season 17, when Captain Falcon and Solid Snake are teleported there for their rematch with Samus.
- Like Mobius, K-2L is currently in ruins and uninhabited.
- Samus expressed genuine shock when she learned she was going to fight Captain Falcon and Snake on K-2L.
- Captain Falcon seems to know Samus was born on K-2L.