Operation Galileo
Orbital mechanics game for kids: fly from Jupiter orbit to Io, Europa, Ganymede and Callisto, orbit each moon and deploy science probes. Players plan burns against a fuel gauge, follow their trajectory on a mini-map, use time warp and gravity assists, and finish with a refuel-and-dock bonus, on keyboard or touch. Built with Grok Bot and published on the builder's book site.
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