Mini City Tycoon Codes Checked 1 November 2026

Mini City Tycoon — official Roblox game image

Mini City Tycoon is a Roblox building game where you grow a tiny plot into a busy miniature city with homes, businesses and trains. Codes give free Diamonds to speed up construction.

▶ Play Mini City Tycoon on Roblox

Active Mini City Tycoon codes (1)

Code	Reward	Did it work?
`TRAINS`	50 Diamonds	Report

How this list is checked: developers announce codes in-game and on their Discord, X and YouTube channels. We cross-check those announcements against several independent code trackers and list a code only when at least two confirm it works (last checked 1 November 2026).

Try Hard Guides still lists 300K, 100M and FIRST as working, while Twinfinite and Pro Game Guides list FIRST as expired.

How to redeem Mini City Tycoon codes

Step 1

Launch Mini City Tycoon in Roblox

Step 2

Press the Settings button on the right side of the screen

Step 3

Press the tick button in the Settings window

Step 4

Type your code in the text box

Step 5

Press the green tick button to redeem

Why is a code not working?

Most failed codes are expired, typed with a typo, or already redeemed on your account. Codes are usually case-sensitive, so copy them exactly as shown, and check the requirements section on this page.

Expired Mini City Tycoon codes

UPDATE19, FIRST, BUG

Mini City Tycoon codes — FAQ

What are the newest Mini City Tycoon codes?

The newest confirmed Mini City Tycoon code is TRAINS, which gives 50 Diamonds. This page lists 1 active codes, cross-checked against several trackers on 1 November 2026.

How do I redeem Mini City Tycoon codes?

Launch Mini City Tycoon in Roblox Press the Settings button on the right side of the screen Press the tick button in the Settings window Type your code in the text box Press the green tick button to redeem

Why is my Mini City Tycoon code not working?

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