Variable rewards

1. Intrinsic Motivation Vs. Extrinsic Motivation (Gamification Focus)
2. Level Design vs Game Balance (Player-Centric Gamification Tips)
3. Player Motivation vs Player Engagement (Gamification Player Progression Tips)
4. Cognitive Gamification: Levels Vs. Stages (Differences)
5. Cognitive Science: Gamification Vs. Edutainment (Key Differences)