The upper mecha base is located in the lower-left expanse of ocean, to the right of Alumaru Village. Its layout is similar to the Mecha Base, five floors including a boss floor.
Monsters appeared[]
- #025 Sonic Sharkfly
- #063 Squinting Cyborg
- #076 Thief Roball
- #092 Rolling Ripper
- #115 Clawed Bomber
- #176 Red Defender
- #210 Electrogue Part A
- #212 Electrogue Part B
- #214 Security Electrogue
- #218 Black Double Axe
- #224 Soaring Globe
- #270 Steel Giant