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An orange submarine with mechanical arms navigates a rocky seafloor near an anglerfish and a smoking hydrothermal vent.

Think you can conquer the abyss? Prove it in this ocean depths trivia challenge

Oceans, Seas & Coastlines

ZapStacks

5

Zaps

100

Sunlight dies at 1,000 meters. Beyond that, it’s just pressure, the Mariana Trench, and your ability to name the abyss. From the Challenger Deep to the Hadal zone’s crushing weight, the stakes are high and the oxygen is zero. Think you can handle the dark? Prove it.

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ZapStacks

A school of fish swims between two rocky cliffs in a stylized underwater canyon with coral on the right.
Continental Shelves
20 Zaps · Hard
A stylized submarine, jellyfish, and clock are arranged among dark geometric shapes and jagged peaks.
Mariana Trench
20 Zaps · Medium
Mountains, a volcano with orange smoke, an anchor, and a stack of rectangular blocks.
Mid-Atlantic Ridge
20 Zaps · Medium
A collection of stylized nautical icons including a wave, a compass rose, an anchor, and a dark grey cube.
Ocean Currents
20 Zaps · Medium
A stylized, geometric design featuring a mountain, a fault line, a tsunami wave, and a volcanic cross-section.
Ring of Fire
20 Zaps · Easy

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