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Geoduck Dig

Dig a geoduck before the tide takes it back.

A faithful little sim of intertidal geoduck digging in the Pacific Northwest. Find a show, tell a geoduck from a horse clam, then race the sand cave-in, the suction, and the incoming tide to lift the clam out whole.

Tide window 2:45
  • Geoducks0/3
  • Haul0.0 lb
  • Snapped0
  • Horse clams0

Pick a tool, then click a show on the flat.

How the real dig works

  • A geoduck never runs. Only its long siphon retracts — the body stays put, 2-3 ft straight down.
  • A real "show" is a dimple the size of a quarter, or a neck tip poking above the sand at a −2.0 ft tide.
  • Geoduck neck: oval with two siphon holes. Horse clam: round neck with a leathery tip. Learn the difference.
  • Pull by the neck and it tears off the shell. You must dig down to the body, loosen it, then lift.
  • Plastic tubes flex and break suction; rigid steel tubes grip the sand and fight you the whole way up.
  • Wet sand below the water table slumps back into the hole — and the tide is always coming back in.