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2-4 players, ages 10+
45-60 minute playtime
Tile-laying deep-sea exploration puzzle
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Slip beneath the waves and chart a world no one's mapped before. In Fathom, rival marine-biology teams guide their boat and submersible across an uncharted island's reef, scanning the depths and revealing what's hiding down there before anyone else does. Designer Dan Helfer's tile-laying puzzle wraps genuinely tense pattern-building in a gorgeous, calm underwater theme.
How it plays
Six rounds of simultaneous play, so nobody's sat waiting for their turn
Scan the unmapped depths and place tiles marking signs of marine life, then descend to reveal the creatures beneath
Every tile you place reshapes the reef for everyone, so reading the table and timing your dive is everything
Plays out over a single 45-60 minute sitting
Easy to teach, tricky to master, and quietly cutthroat under all that serenity — exactly what you want from a game-night pick with real depth to it.
A brain-teasing dive that earns a permanent spot on the shelf. Grab a set of sleeves to keep the tiles table-ready for repeat dives.
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