1. Gameplay-Related Keywords
1-3, 1-4, 1-5, 1-6
2. Technical Issues
2-4, 2-8
3. Psychological/Motivational Factors
3-1, 3-2, 3-3, 3-5, 3-6, 3-9
4. Social & Community Factors
4-4, 4-6
5. Monetization & Economic Factors
5-1, 5-3
6. Content & Story-Related
6-1, 6-8
7. Spillerens omstendigheter
7-3, 7-4