AimDrag (or move the mouse) to point the beam.
GuideLit ships sail to the dock of their own colour.
ProtectShips in the dark drift. Keep them off rocks and each other.
FoghornStops every ship for a moment. Use it before a crash.
Win the nightDeliver enough ships before 3 are wrecked.
GrowSpend coins on a wider, brighter beam and faster tugboats.