Challenge progression
- Gameplay Difficulty vs Player Skill Level (Gamification Player Progression Tips)
- Game Advancement vs Player Advancement (Gamification Player Progression Tips)
- Player Abilities vs Player Powers (Gamification Player Progression Tips)
- Player Advancement vs Player Improvement (Gamification Player Progression Tips)
- Game Progression vs Game Advancement (Gamification Achievement Systems Tips)
- Game Balance vs Fair Play (Gamification Achievement Systems Tips)
- Player Goals vs Game Goals (Gamification Achievement Systems Tips)
- Player Performance vs Player Progression (Gamification Player Progression Tips)
- Replay Value vs End Game Content (Player-Centric Gamification Tips)