2013 · Sierra Madre Games
High Frontier Interstellar is a solitaire expansion to High Frontier Colonization that allows players to travel out of our solar system to the stars beyond. It can be played independently or as an extension of a standard (Colonization) game.
To play you need all of the following:
High Frontier
High Frontier Colonization
The free Interstellar rules available from Sierra Madre Games
The Interstellar Map available on Zazzle.
