There are two different kinds of Levels. There are staff levels and player levels. The staff levels are for the waiters and cooks that you hire. The player levels are for you, the player.
Staff Levels[]
Staff get levels when they cook food or serve customers. They get 12 experience per dish cooked/served. The higher the level, the faster they work.
The maximum level for staff is currently 50.
Player Levels[]

Player Level Up Message (Level 5) Additional Staff (+1 Cook, +1 Waiter), Recipes (+2) and Cash Bonus (+850)

The new level up message leveling up to Level 13.

The previous level counter.

The level counter since the Refresh Update.
Players can get levels by playing the game. You have to just play the game, cook food, and serve dishes to level up. Every level up comes with a few extra bonuses; You will get a up to cash bonus (100,000 cash), unlock new recipes (up to level 100), and be able to hire more waiters and cooks (up to level 50/90). The player also receives Gems for levelling up.
The maximum level for a player is 999, upon reaching this level the player will also receive the Level 999 Trophy.
Trivia[]
- The appearance of the Staffs changes as they level up
- Before the 2023 Princess Update the maximum Cash Bonus was 25.000
cash.
- Prestige (Rebirth) resets Player and Staff level back to level one, and only 1 waiter and 1 cook is available until you level up.