10 achievements for 1000 Gamerscore
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The Last Merrow
Meet the Merrow
50 Gamerscore
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Your Watch is Over
Defeat the Watcher
50 Gamerscore
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Aquatic Laser Show
Activate the Deeplight
75 Gamerscore
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Poor Turtles
Defeat the Fomori Boss
100 Gamerscore
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The Inner Sanctum
Commune with the giant seahorse
75 Gamerscore
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Sea Saver
Destroy the Forbidden City forever
200 Gamerscore
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Feast for a Queen
Feed the Queen Leviathan
100 Gamerscore
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Gearhead
Purchase all upgrades
200 Gamerscore
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Merryn and Goliath
Kill a Tremorclaw Crab as Merryn
100 Gamerscore
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Rest in Pieces
Pay your respects to the Watcher and drop a flower on her final resting place.
50 Gamerscore