Randomized content

1. Replay Value vs End Game Content (Player-Centric Gamification Tips)
2. Character Development vs Character Progression (Gamification Player Progression Tips)
3. Game Unlockables vs Player Unlockables (Gamification Player Progression Tips)
4. Player Challenges vs Game Challenges (Gamification Achievement Systems Tips)
5. Player Goals vs Player Missions (Gamification Player Progression Tips)