Adaptive difficulty

1. Game Difficulty vs Player Skill (Gamification Player Progression Tips)
2. Gameplay Difficulty vs Player Skill Level (Gamification Player Progression Tips)
3. Remedial Instruction vs Enrichment Instruction (Gamification-Based Learning Tips)
4. Gameplay Evolution vs Player Evolution (Gamification Player Progression Tips)
5. Game Progression vs Game Advancement (Gamification Achievement Systems Tips)
6. Player Actions vs Player Behavior (Gamification Player Progression Tips)
7. Player Engagement vs Player Retention (Player-Centric Gamification Tips)
8. Player Experience vs User Experience (Gamification And Bloom's Taxonomy Tips)
9. Player Journey vs Player Storyline (Gamification Player Progression Tips)
10. Player Onboarding vs Player Tutorials (Player-Centric Gamification Tips)