Update: We found 2 new Restaurant Tycoon 3 codes on March 17, 2026 and added them to the list.
Restaurant Tycoon 3 is a Roblox management game where building and upgrading your restaurant depends heavily on cash and diamonds. Codes provide a quick way to earn extra resources or unlock cosmetic items without grinding.
Working Restaurant Tycoon 3 codes
frosting2NEW — 5 DiamondsUltrawEatsNEW — UltrawEats trophy, statue, and poster
Expired Restaurant Tycoon 3 codes
moon1grass99vip123horse2026heart5toytimesoap123classic16tuna5gift123snowballbaconthanks5outragespotlightbirthdayspook1milkshakejukeboxitsfreeEarlyBird10millionBetaAlphaRT3
How to redeem codes in Restaurant Tycoon 3
Step 1: Open Restaurant Tycoon 3 on Roblox and load your restaurant or create a new one.
Step 2: Tap the shopping basket icon at the bottom of the screen to open the Shop menu.
Step 3: Scroll to the bottom of the Shop menu until you see the code entry box.
Step 4: Enter a code exactly as shown, then press the Submit button.
Step 5: A confirmation message appears and rewards are added instantly if the code is valid.
What codes give you in Restaurant Tycoon 3
Codes mainly reward Diamonds, which are used for premium upgrades, along with occasional cosmetic items like trophies, posters, and statues. These extras help personalize your restaurant while accelerating early progress.
New codes are typically released alongside updates or milestones, so the active list tends to change frequently.