- Replace scoring system with XP-based progression
- Task-based XP: 2 XP per regular task, 5 XP per scenario step
- Overall XP counter for rankings/leveling (persistent across sessions)
- No overall XP awarded for quit/abandoned sessions (only completed sessions)
- Session XP always displayed but only added to overall on completion
- Simplified from time/activity bonuses to pure task completion rewards
- Updated UI with dual XP display: Session XP / Total XP
- Audio playlist system continues in background during gameplay
dilgenfritz