# 4. Referral Program

- [4.1 Levels and Rewards](/zootopia-docs/whitepaper-zootopia-game/4.-referral-program/4.1-levels-and-rewards.md)
- [4.2 Features](/zootopia-docs/whitepaper-zootopia-game/4.-referral-program/4.2-features.md)
- [4.3 Leader Status](/zootopia-docs/whitepaper-zootopia-game/4.-referral-program/4.3-leader-status.md)
