Social comparison features

1. Player Analysis vs Player Statistics (Gamification Achievement Systems Tips)
2. Active Users vs Registered Users (Player-Centric Gamification Tips)
3. Game Theory vs Gamification Theory (Player-Centric Gamification Tips)
4. Player Engagement vs Player Motivation (Gamification And Bloom's Taxonomy Tips)
5. Player Feedback vs Game Feedback (Gamification Achievement Systems Tips)
6. Goals vs Objectives (Gamification Achievement Systems Tips)