Starcross

The alien artifact from Dave Lebling's 1982 Infocom adventure, built in 3D: hull, docks, the outer deck and the spinning inner world.

Model

Places

Move

Display

Labels Cutaway (remove the near half) Camera rides with the spin Plan view: cut the walls at 4 m when orbiting Ceilings Show crystal rods (spoilers)

Game state

Yellow rod fed to the repair machine (emergency lights in the Yellow Hall) Clear rod still inside the observatory projector

Lab globe dial2

Spin

Period44.9 s

Spinning

The game never states a spin rate. The default is the period that gives 1 g at the hull (radius 500 m).

Keys

Drag to orbit or look; right-drag or Shift-drag to pan; wheel to zoom.
W A S D move, Q and E down and up when flying, Shift for speed.
Space jump, C climb the giant tree, G fire the ray gun for recoil.
1 2 3 orbit, fly, walk. T tour, L labels, X cutaway, R spin.
N and B next and previous place, P save image, H hide panel.

Descriptions paraphrase the game. Anything the game doesn't specify is marked as this model's interpretation. Inhabitants are marked by labels rather than drawn.