Level Up bonus is a reward that you receive when you reach a new VIP tier level on the Chanced.
Check out the playthrough requirements for VIP levels here.
Note: Level-up bonuses are automatically applied to your account within 24 to 48 hours from the time you level up. If your level-up bonus has not been applied within the specified timeframe, please let us know, and our team will be happy to investigate your account.