Item rarity

  1. Tradable vs Sellable (Virtual Economy Gamification Tips)
  2. Game Wealth vs Virtual Wealth (Virtual Economy Gamification Tips)
  3. Economic Constraints vs Game Constraints (Virtual Economy Gamification Tips)
  4. Gamification: Virtual Currency Vs. Virtual Goods (Contrasts)
  5. Premium Currency vs Free Currency (Virtual Economy Gamification Tips)
  6. Player Trading vs Player Selling (Virtual Economy Gamification Tips)
  7. Item Rarity vs Item Value (Virtual Economy Gamification Tips)
  8. Tradable Items vs Non-Tradable Items (Virtual Economy Gamification Tips)
  9. Game Balance vs Fair Play (Gamification Achievement Systems Tips)
  10. Virtual Goods vs Digital Goods (Virtual Economy Gamification Tips)
  11. Virtual Property vs Physical Property (Virtual Economy Gamification Tips)
  12. Player Economy vs Developer Economy (Virtual Economy Gamification Tips)
  13. Virtual Store vs In-Game Store (Virtual Economy Gamification Tips)
  14. Game Revenue vs Virtual Revenue (Virtual Economy Gamification Tips)
  15. Virtual Profit vs Digital Profit (Virtual Economy Gamification Tips)
  16. Virtual Resources vs Game Resources (Virtual Economy Gamification Tips)
  17. In-Game Currency vs Premium Currency (Player-Centric Gamification Tips)
  18. Virtual Wealth vs Real Wealth (Virtual Economy Gamification Tips)