What you do
Dig rubble by hand, fire it to the Cradle for Lumen, then buy workers and machines so the work goes on without you. The goal at the top of the screen says how much Lumen a rock must ship before you can leave it.
About Orbitwright
Orbitwright is a slow, steady building game. You run a crew of machines on a chain of rocks and push each one to its goal.
Five worlds
Tumble is a plain rock. Frost is an ice moon where heat matters. Skim is a gas cloud with rich and thin bands. Tail is a comet that melts as you work. Meridian is a station that runs on orders. Each rock changes one rule.
How to start
Press Play. A short guide walks you through the first ten steps, and the ? button in the game reopens any of them and explains the rock you are on.
Saving and leaving
Progress is saved on the server as you play. If you close the page, your base keeps working at half speed for up to eight hours, and a summary tells you what it earned when you come back.
Relaunch
Once you reach Frost's goal you can Relaunch: the voyage starts over from Tumble, and you earn Charter points to spend on lasting perks. Later voyages go faster.