Controls

• 1 = 50k years/step (fast), 2 = 20k years/step, 3 = 5k years/step (slow)
• , / . = halve / double timestep
• Space = run steps using the current step size (hold to keep stepping)
• S = toggle sea-level changes (when off, sea level stays fixed)
• G = cycle overlays (terrain → +coastlines → +rivers)
• P = pause/resume stepping
• R = re-randomize and restart (new terrain + uplift field)
• D = dump debug info for hovered cell (console)
• Mouse = hover to see cell id + elevation readout

Tip: pressing any key stops the initial auto-run; press/click R to restart.