3D SUBMARINE EXPLORATION · IN YOUR BROWSER

FATHOMLIGHT

Take the lamp-sub down the Glowchasm — scan the relics, outrun your oxygen.

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Runs in any modern browser · keyboard & touch · no install

The trench that glows

The Glowchasm is a bioluminescent trench full of lost survey relics. Fly the lamp-sub through it, scan all eight relics — every scan refills your oxygen tanks — then punch through the amber gate at the trench floor before your air runs out. Rock spires, boulder fields and hostile purple drifters all bite.

Screens from the deep

Features

  • Procedurally carved trench — walls, spires and boulder fields from a seed
  • Eight glowing relics to find and scan; each scan tops up your O₂
  • Hull damage, oxygen pressure and camera shake on every collision
  • Hostile drifters that home in on your lamp-light
  • Amber finish gate — win run, score, oxygen bonus
  • Full touch controls for phones, keyboard + mouse on desktop

How to play

  • W / S — thrust forward, reverse
  • A / D — strafe port / starboard
  • ↑ / ↓ (or Z / X) — dive and rise
  • Shift — boost (burns oxygen faster)
  • Space or mouse click — scan pulse
  • Phone: on-screen GO / BACK / ◀ ▶ / ▲ ▼ / BOOST / SCAN pads

Goal: scan all 8 relics, then fly through the amber gate. Lose if O₂ hits zero or the hull is torn open.