Starmancer — Generators require fuel, but they’re fairly cheap...

Obey protocol or go rogue as you take on the role of a powerful A.I. in Starmancer. Build bustling space ports, secret laboratories, and ethically ambiguous human farms. Defend against starvation, sabotage, and space cannibals. Don't worry, you can always grow more humans. Learn more at playstarmancer.com

Generators require fuel, but they’re fairly cheap to build.