Skill-based matchmaking

1. PvP (Player vs Player) vs PvE (Player vs Environment) (Player-Centric Gamification Tips)
2. Single-Player Achievements vs Multiplayer Achievements (Gamification Achievement Systems Tips)
3. Player Competition vs Player Cooperation (Gamification Player Progression Tips)
4. Achievements vs Trophies (Player-Centric Gamification Tips)
5. Game Complexity vs Game Difficulty (Gamification Achievement Systems Tips)
6. Level Design vs Game Balance (Player-Centric Gamification Tips)
7. Replay Value vs End Game Content (Player-Centric Gamification Tips)
8. Game Matchmaking vs Game Lobby (Player-Centric Gamification Tips)
9. Gaming Community vs Gaming Culture (Player-Centric Gamification Tips)
10. Player Data vs Game Data (Gamification Achievement Systems Tips)
11. Game Balance vs Fair Play (Gamification Achievement Systems Tips)