Incentive design principles

1. Player Performance vs Player Scores (Gamification Player Progression Tips)
2. Achievement vs Progression (Player-Centric Gamification Tips)
3. Challenges vs Quests (Player-Centric Gamification Tips)
4. Player Data vs Game Data (Gamification Achievement Systems Tips)
5. Player Metrics vs Game Metrics (Gamification Achievement Systems Tips)
6. Player Objectives vs Game Objectives (Gamification Achievement Systems Tips)