The Journey to Volcalidus Add-on for Hydroneer has 27 achievements.
Donate a bone to the museum.
Donate 10 bones to the museum.
Donate all the bones to the museum.
Refine a Forge Mark.
Purchase Scoria Chamber Dig Site.
Purchase Cinder Footing Dig Site.
Purchase Shattered Breach Dig Site.
Purchase Waterside Dig Site.
Melt Ice in the Ice Melter.
Melt 1000 Ice in the Ice Melter.
Build a store in New Glade.
Fully Restore New Glade.
Rebuild an abandoned miner.
Rebuild all the abandoned miners.
Get a negative buff from a Forge Mark.
Get a 3 star buff from a Forge Mark.
Complete a lap on Mot's Island.
Complete a lap on Mot's Island in under 1:11.
Purchase a Lava Hauler.
Purchase Lava Bike.
Withdraw the maximum amount at an abandoned miner.
Accumulate 10,000 scout guild tokens.
Purchase a Lava Thaw.
Purchase Lumberton Bluff Dig Site.