Completion percentage

1. Game Unlockables vs Game Achievements (Gamification Achievement Systems Tips)
2. Reward Timing vs Reward Frequency (Gamification Achievement Systems Tips)
3. Session Metrics vs Engagement Metrics (Player-Centric Gamification Tips)
4. Negotiating: Construction Vs. Permanent Loans (Revealed)
5. Player Ratings vs Player Rankings (Gamification Player Progression Tips)
6. Game Design vs Instructional Design (Gamification And Bloom's Taxonomy Tips)