Swim the seabed, find the 12 hidden pearls, and build with ocean blocks. Your submarine has a bed and a cooker inside.
← All quests
On a phone or iPad
Left side drag to swim
Right side drag to look
Tap or big button to dig / build
▲ ▼ swim up and down
On a computer
WASD swim
Mouse drag look
Click dig / build, Q switch
Space / Shift up / down
Turn your phone sideways for the best view. Your world saves on this device.