Endless Ocean Luminous – How to Unlock all 99 Mystery Board Squares

Endless Ocean Luminous, the latest in Nintendo and developer Arika’s cult aquatic exploration games, is out now, and completing the game’s story mode is no easy task. Doing so requires you to completely fill in the “Mystery Board,” a grid featuring 99 different achievement-style tasks. To make matters even more complicated, the game doesn’t inform you how to solve any of these mysteries, you just have to stumble on the solutions yourself through trial and error. But hey, if you're not up for that grind, scroll on down for our guide to unlocking all 99 squares on the Mystery Board.

Mystery Board Basics

The maps in Endless Ocean Luminous are procedurally generated, which means I can’t provide you with specific locations or instructions on how to unlock any of the squares on the Mystery Board – it’s all luck of the draw. That said, there are different types of achievements on the board, so here’s some guidance on how to approach them.

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• Disc Puzzles – These mysteries ask you to “swim aside” a specific creature (look at #32 below for an example). How these puzzles work, is you have to find a large disc on the ocean floor and scan it. You’ll then be given a clue. Determine what creature the clue was referring to, find them, have them swim with you and return to the disc with them.
• UMLs – Number 9 though 18 on the board require you to scan specific UMLs (Unique Marine Lifeforms). Here’s how to make a UML appear on your map.
• Coins – These coins can be randomly found while scavenging (look for glints of light on the ocean floor).
• Treasure Chests – Look for treasure chests (they look like blue and black blocks) and open them to hopefully find the specific treasure required.
• Tablets – The mysteries with quotes like #3 below are acquired by finding small lore tablets.
• Landmarks - Simply swim past the landmark in question.

So, without further ado, here’s how to unlock all 99