Level 3: Nelphis, Belowground is the third Pantagrame video game. Following levels 1 and 2, Jovy walks through sewers and subway tunnels to reach the museum's subway station.
- Nark floater
- De Malzich Mysteriis
- Lomog chrysalid
- Klow explains in a facultative dialogue why Jovy cannot just go through a chain of portals right to the museum: too many portals make him vomit. The portal-induced nausea is later demonstrated in strips 84-85-86.
- First level with a hidden passage towards the White Zone.