Solo Game
VariantTerraforming Mars
Solo: start at TR 14, and production tracks start at 0 instead of 1. Before choosing cards, place 2 neutral cities, each with an adjacent neutral greenery. Milestones and Awards aren't used, and attacks can target the neutral opponent. You play exactly 14 generations and win only if all three parameters are maxed by the end of generation 14. The final plant conversion doesn't raise oxygen.
With Prelude: With Prelude you have 12 generations instead of 14.
With Venus Next: With Venus Next your goal is to max all four parameters, Venus included.
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