A shooter, a puzzle, a climb, a physics course and an arcade chase — all lit only by what glows down there. Every one renders at your display's full pixel density, so the light stays sharp.
Buy and fit high-tech submersibles, then pilot one out of the dock into an endless trench, a ranked run against the fleet board, or sixty charted dives that get meaner the deeper they go.
A vent throws white light across the trench floor. Flip mirrors to steer it, split it, and strip it through coloured glass until every coral gets exactly the colour it wants.
Swim into the valve and the roof opens — and the seabed behind you turns to molten rock. Six depths of snapping clams, charging eels and an angler in the black. Fall, and you are back at the last anemone. Fall with none, and it all goes cold again.
The one played in daylight. Golf on a sunlit sand flat, where every hole runs a current that pushes your ball the whole way — read it and aim off it. Match play, tournaments against a full field, or a career of six events with pearls and a world ranking.
Fast. Fourteen other serpents hunting in a neon arena, and they come to you. Cut anyone off and they burst into a feast; go head-to-head and the longer snake wins. Kill count, a crown for #1, and a rank that climbs from Hatchling to Leviathan.