Gamified feedback systems

1. Gameplay Achievements vs Social Achievements (Gamification Achievement Systems Tips)
2. Personal Progress vs Comparative Progress (Gamification Player Progression Tips)
3. Gamification: Discovery Learning Vs. Goal-Setting (Contrasts)
4. Game Environment vs Game World (Gamification Achievement Systems Tips)
5. Game Skills vs Player Skills (Gamification Player Progression Tips)
6. Player Choices vs Player Actions (Gamification Player Progression Tips)
7. Experience Points (XP) vs Skill Points (SP) (Gamification Player Progression Tips)
8. Player Feedback vs Game Feedback (Gamification Achievement Systems Tips)
9. Player Interaction vs Player Connectivity (Gamification Achievement Systems Tips)