Medals and Achievements
From Major Command - Risk Game Wiki
As you continue playing MajorCommand and raising your skill level, you will start accruing Medals and Achievements.
Medals
Awarded when you reach certain benchmarks, i.e. 200 defeated opponents. Medals have four grades: bronze, silver, gold, and platinum
Badges
These are special medals awarded when you reach a personal high rank, so even if you fall from Colonel to Private, you will still have the Colonel Badge to prove your skill.
Achievements
Awarded for significant achievement, such as prevailing in a large tournament or defeating the current Major Commander.