Mars Horizon
71 Achievements
GOG
Multiplanetary Partners
Land humans on Mars in a Joint mission with another agency
2.5%
How to unlock the Multiplanetary Partners achievement in Mars Horizon - Definitive Guide
Leo Survivor
TrueAchievements
TrueAchievements
Remember that you must be allied with maximum friendship stats. You need 250 friendship. Do some missions with allied agency to maximize your stats.