Building a successful restaurant in Restaurant Tycoon 3 (RT3) isn’t just about serving delicious dishes—it’s about smart management. From upgrading furniture to hiring elite staff and expanding your space, every decision costs time and in-game currency.

Luckily, the developers at Ultraw have cooked up a new set of active codes for November 2025 that deliver instant rewards.

Active Restaurant Tycoon 3 Codes

Redeem these codes as soon as possible—they can expire anytime without notice! Each one provides valuable resources to help you invest in your restaurant’s growth.

1. spotlight

  • Reward: 150 Cash
  • Notes: A nice little boost to upgrade your staff or buy your first decorative pieces.

2. birthday

  • Reward: 5 Diamonds
  • Notes: Likely celebrating an anniversary or developer milestone.

3. spook

  • Reward: 15 Diamonds
  • Notes: A leftover code from the Halloween event—claim it while it’s still active!

4. milkshake

  • Reward: 250 Cash
  • Notes: A bigger cash bonus for early-game upgrades or decor.

5. jukebox

  • Reward: 5 Diamonds
  • Notes: Another small Diamond gift to keep your funds growing.

6. Gullible100

  • Reward: 100 Diamonds
  • Notes: MASSIVE reward! One of the largest codes available and a must-redeem for all players.

Reminder: All codes in Restaurant Tycoon 3 are case-sensitive. Enter them exactly as shown (all lowercase for these) to make sure they work.

Expired RT3 Codes (No Longer Active)

If a code from the list above doesn’t work, it may have just expired. These older codes are no longer active for most players, but you can try them just in case:

  • itsfree
  • 10million
  • ALPHART3
  • EarlyBird

How to Redeem Codes in Restaurant Tycoon 3

Redeeming codes is quick and easy. Follow these simple steps to claim your free Cash and Diamonds:

  1. Launch Restaurant Tycoon 3 on Roblox.
  2. Once you’re inside your restaurant, look at the bottom menu bar.
  3. Click the Shop button (usually shown as a shopping basket or cart).
  4. Scroll to the bottom of the Shop menu until you find the text box labeled “Type Code Here.”
  5. Type or paste a valid code from the list above.
  6. Click Submit.

If the code is valid, a message will pop up confirming your rewards—your Cash and Diamonds will be instantly added to your account!