Souldiers
38 Achievements
GOG
Master soldier
Complete the game as all three classes.
0.3%
How to unlock the Master soldier achievement in Souldiers - Definitive Guide
FpsGoku420
TrueAchievements
TrueAchievements
Ok so alot of achievements are weird to unlock. This didn't unlock for me after I did all 3 characters. But what I did to unlock it was in 1 go I beat the final boss with all 3 characters right after another. This finally unlocked it for me!