Tiered reward system

1. Gameplay Elements vs Game Features (Gamification Achievement Systems Tips)
2. Game Progression vs Game Advancement (Gamification Achievement Systems Tips)
3. Game Streaming vs Game Broadcasting (Player-Centric Gamification Tips)
4. Player Progression vs Player Ranking (Player-Centric Gamification Tips)
5. Player Targets vs Player Goals (Gamification Player Progression Tips)
6. Player Abilities vs Player Competencies (Gamification Achievement Systems Tips)
7. Player Expectations vs Player Satisfaction (Gamification Achievement Systems Tips)
8. Player Experience vs Player Competence (Gamification Player Progression Tips)
9. Economic Strategy vs Game Strategy (Virtual Economy Gamification Tips)
10. Player Engagement vs Player Retention (Player-Centric Gamification Tips)
11. Player Goals vs Game Goals (Gamification Achievement Systems Tips)
12. Player Levels vs Player Tiers (Gamification Achievement Systems Tips)
13. Player Progression vs Player Development (Gamification Achievement Systems Tips)
14. Skill Progression vs Level Progression (Gamification Achievement Systems Tips)
15. Gamification: Exploration Vs. Exploitation (Understanding the Difference)