Player satisfaction measurement

1. Achievements vs Trophies (Player-Centric Gamification Tips)
2. Game Rules vs Game Instructions (Gamification And Bloom's Taxonomy Tips)
3. Game Testing vs Play Testing (Player-Centric Gamification Tips)
4. Player Feedback vs Game Feedback (Gamification Achievement Systems Tips)
5. Player Motivation vs Player Engagement (Gamification Player Progression Tips)
6. Player Performance vs Player Achievement (Gamification Achievement Systems Tips)