Attain all other achievements
Activate the underwater gate
Install the Energy Boost Module
Pass through the sea gate
Use the crane to clear the way
Complete the ascent of the floating city
Leave the floating city
Resurface between the ice
Free the vessel from the ice
Inflate the balloon and float over the waterfall
Sound the lighthouse horn
Release the vessel
Meet Lone
Plant the flower in the vessel
Water the flower
Grow the flower to its full potential
Stand at the prow of the vessel while travelling at full speed
Navigate the underwater caves near the waterfall without bumping into them
Travel 10000m aboard the vessel while submerged
Complete the journey in less than 210 minutes
Travel 1000m using the Boost Module
Burned the last item onboard
Leave home
Burn 100 fuel
Salvage the contents of 6 containers in a single journey
Successfully repair key parts of the vessel 10 times
Push all the buoys out of the way
Burn the flower
Douse the engine to keep it cooled
Repair the lever at the sawmill
Load the firebox and light the train engine
Install the Engine Module
View the Ancient's murals
Attach the new Stern Module
Install the Diving Module