Playing with geonodes from tutorial, it's a hexworld! It's far more complicated to set up than I thought. A bunch of maths and thinking, and geonodes doesn't have great debugging yet.
🛠Engine: Cycles (with denoiser node)
🕑Render Time: 20 minutes
🔢Samples: 400
🎬Frames: 250
Tutorial: Hexagon World with Geometry Nodes Fields - Erindale