Character customization options

1. Progression System vs Achievement System (Gamification Player Progression Tips)
2. Immersion vs Presence (Player-Centric Gamification Tips)
3. Skill Progression vs Ability Progression (Gamification Player Progression Tips)
4. Game Genres vs Game Themes (Player-Centric Gamification Tips)
5. Leveling Up vs Ranking Up (Gamification Player Progression Tips)
6. Open World vs Closed World (Player-Centric Gamification Tips)
7. Player Choice vs Player Freedom (Player-Centric Gamification Tips)
8. Player Roles vs Player Classes (Gamification Achievement Systems Tips)
9. Sandbox Games vs Linear Games (Player-Centric Gamification Tips)