Badges and leaderboards

1. Multimodal Learning vs Monomodal Learning (Gamification-Based Learning Tips)
2. Player Capabilities vs Player Capacity (Gamification Player Progression Tips)
3. Player Onboarding vs Player Tutorials (Player-Centric Gamification Tips)
4. Reward Timing vs Reward Frequency (Gamification Achievement Systems Tips)
5. Session Length vs Play Time (Player-Centric Gamification Tips)
6. Social Learning vs Solo Learning (Gamification-Based Learning Tips)