Badge systems

1. Experience Points (XP) vs Skill Points (SP) (Gamification Player Progression Tips)
2. Quests vs Missions (Gamification Player Progression Tips)
3. Player Rankings vs Game Rankings (Gamification Player Progression Tips)
4. Points vs Badges (Player-Centric Gamification Tips)
5. Game Scores vs Player Scores (Gamification Player Progression Tips)
6. Achievement Systems vs Point Systems (Gamification Achievement Systems Tips)
7. Gameplay Achievements vs Social Achievements (Gamification Achievement Systems Tips)
8. Player Stages vs Game Stages (Gamification Player Progression Tips)