Pilot a research submersible through the lantern-cave. Find and scan all
10 glowing specimens with your sonar pulse, then ride the ascent shaft back to the surface
before your air runs out. Rock spires crack your hull — fly gently.
W / S thrust & reverse A / D or arrows steer
Q / Z rise & dive Space sonar scan (costs a little air)
Click the view for mouse-look steering P pause
On touch: use the on-screen controls shown on the right