Experience point accumulation

1. Game Objectives vs Player Objectives (Gamification Player Progression Tips)
2. Game Playability vs Game Accessibility (Gamification Achievement Systems Tips)
3. Game Achievements vs Player Achievements (Gamification Player Progression Tips)
4. Player Ranking vs Player Rating (Gamification Achievement Systems Tips)
5. Player Rewards vs Player Achievements (Gamification Player Progression Tips)
6. Player Stages vs Game Stages (Gamification Player Progression Tips)
7. Player Status vs Player Reputation (Gamification Achievement Systems Tips)