- The X Superbox for $20 if you want all of the games in one go.
- The original X: Beyond the Frontier for $3.
- The X-Tension standalone expansion for $3.
- X2: The Threat for $3.50.
- X3: Reunion for for $4.98.
- X3: Terran Conflict for for $7.48.
- X3: Gold, which includes Reunion and Terran Conflict, for $14.50.
If you have ANY interest in these games at all, the Superbox is the best value. I’ve played all of these, and I’ll be honest, I found them pretty dry, but if you’re looking for an economic simulator in which your office is a spaceship, these might do ya. :) Enjoy!