User-Generated Content Creation

1. Game Physics vs Game Mechanics (Player-Centric Gamification Tips)
2. Game Modding vs Game Hacking (Player-Centric Gamification Tips)
3. Trading Platforms vs Marketplaces (Virtual Economy Gamification Tips)
4. Gameplay vs Game Plot (Player-Centric Gamification Tips)
5. Virtual Store vs In-Game Store (Virtual Economy Gamification Tips)