• Assemble a spaceport at a Lagrange Point.
• Launch an exploration mission to Mars.
• Mine the asteroids.
• Earn profit from exotic resources discovered on the Jovian moons.
• Discover microbial life in the subsurface oceans of Charon.
• Decode exo-DNA to develop radiation resistant human pioneers.
• Undertake a mission to Alpha Centauri in a generation ship.
• Break through technological barriers to achieve faster than light travel.
• Establish a colony in the Tau Ceti star system.

Each of the three eras is played on a different board:

• The first era, Mariners, covers exploration and development out to Mars.
• In Planeteers, players settle the outer solar system.
• In Starfarers, players send missions to nearby star systems and establish interstellar colonies.