Tiered rewards system

1. Experience Gain vs Skill Gain (Gamification Player Progression Tips)
2. Game Assets vs Game Resources (Player-Centric Gamification Tips)
3. Quests vs Missions (Gamification Player Progression Tips)
4. Game Missions vs Game Tasks (Gamification Achievement Systems Tips)
5. Player Ranking vs Player Rating (Gamification Achievement Systems Tips)
6. Progression System vs Achievement System (Gamification Player Progression Tips)
7. Game Playability vs Game Accessibility (Gamification Achievement Systems Tips)
8. Player Skills vs Player Competencies (Gamification Player Progression Tips)