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PlanetForge

Terraform a world

Land–

Ocean–

Ice cover–

Avg temperature–

Civilization–

Habitability

–

Sculpt, climate-tune and bombard a procedural world. Everything is simulated live — sea level, climate, ice caps, clouds, night-side cities.

Drag

Orbit (Orbit tool: left mouse · brush tools: right mouse / two fingers)

Wheel

Zoom. Click with the Orbit tool to fly to a point and drop the time pin.

1–6

Orbit · Raise · Lower · Volcano · Asteroid · Forest

[ ]

Brush size

Space

Pause / resume time

− +

Time scale

R

Regenerate (random seed)

C G B

Toggle clouds · rings · bloom

F

Follow surface on/off

M

Mute sound

H Esc

Show / hide this help

Tip: raise the temperature and watch the ice caps retreat and the oceans boil into lava; drop it and the seas freeze over.