Rung #99 hints and answer

September 6, 2026. Here is the full clue ladder for this puzzle, gentlest first. Each rung is worth fewer points, so open only what you need. The answer stays hidden until you click.

Hint 1, worth 5 points

The first of my kind sent to war was a one-man wooden barrel creeping under a warship in 1776.

Hint 2, worth 4 points

I can dive deeper than any ship, into a crushing dark where the water would flatten steel.

Hint 3, worth 3 points

I travel completely hidden beneath the waves, able to vanish below and reappear far off with none the wiser.

Hint 4, worth 2 points

I run silent and deep for weeks, my crew seeing the outside world only through a slender raised scope.

Hint 5, worth 1 point

I glide through the ocean unseen, a hidden giant crossing whole seas without once breaking the surface.

Extra hint, the shape of the answer

9 letters, starts with “S”.

Reveal the answer to Rung #99

SUBMARINE

Early submarines were powered by hand-cranked propellers, decades before engines finally made them practical.

Play today's Rung →