In-game achievements

  1. Game Unlockables vs Player Unlockables (Gamification Player Progression Tips)
  2. Game Sound vs Game Music (Player-Centric Gamification Tips)
  3. Skill Levels vs Player Levels (Gamification Player Progression Tips)
  4. Player Learning vs Player Progression (Gamification Player Progression Tips)
  5. Player Stages vs Game Stages (Gamification Player Progression Tips)
  6. Progress Bars vs Completion Bars (Gamification Player Progression Tips)
  7. Scarcity vs Abundance (Virtual Economy Gamification Tips)
  8. Single-Player Achievements vs Multiplayer Achievements (Gamification Achievement Systems Tips)
  9. Free-to-Play vs Pay-to-Play (Player-Centric Gamification Tips)
  10. Game Characters vs Game Avatars (Gamification Achievement Systems Tips)
  11. Gameplay Evolution vs Player Evolution (Gamification Player Progression Tips)
  12. Leveling Up vs Ranking Up (Gamification Player Progression Tips)
  13. Player Rewards vs Game Rewards (Gamification Achievement Systems Tips)
  14. Subscription Model vs Freemium Model (Virtual Economy Gamification Tips)
  15. Virtual Items vs In-Game Items (Gamification Achievement Systems Tips)