Thalassa: Edge of The Abyss review: Joining the dots to pull yourself out of the depths

I’m looking for something. I don’t know what it is, but I need to find it, and my map swears blind it’s here. I’ve done more laps of a purposefully bare room than I can count, desperately scouring every nook and cranny, just in case it’s hidden down the side of the fireplace, or inside an antique globe. It’s not. Suddenly, I become acutely aware of just how long I’ve spent not watching my back, and snap my eyes back towards the door I came in through. It sits wide open, and beyond ...