On this page
- Active Mini City Tycoon codes (1)
- Codes that may still work
- How to redeem Mini City Tycoon codes
- Code history: how long codes last
- Expired Mini City Tycoon codes
- Full expired codes archive
- Mini City Tycoon codes not working?
- Official Mini City Tycoon channels
- FAQs
- Are there new Mini City Tycoon codes in October 2026?
- Do I need to be in the group to redeem codes?
- What do Mini City Tycoon codes give?
- Where do new Mini City Tycoon codes come from?
- Similar Roblox codes you can check next
Last checked October 4, 2026. We recheck this list every week and log when each code was added and when it expired.
- One code works right now: TRAINS.
- Every listed code gives 50 Diamonds.
- Redeem in the Settings menu: tap the gear icon, then the tick button on the right to open the code input.
- 100M, UPDATE and UPDATE19 have expired. Check the archive before trying an old code.
Active Mini City Tycoon codes (1)
| Code | Reward | Added | Status |
|---|---|---|---|
TRAINS | 50 Diamonds | Sep 27, 2026 | Working |
Codes that may still work
Reports on these are mixed: they may still work or may have expired. They cost nothing to try.
| Code | Reward | Status |
|---|---|---|
FIRST | 50 Diamonds | Possibly expired |
There is no level or group requirement for codes. Separately, the game description says joining the Aurion Games group gives a 10% cash boost. Paste codes instead of typing them.
How to redeem Mini City Tycoon codes
- Open Mini City Tycoon on Roblox and let the game load.
- Tap the Settings icon (gear symbol) on the right side of the screen.
- In the Settings menu, press the tick button on the right to open the code input panel.
- Paste a code into the text box exactly as shown, with no extra spaces.
- Tap the green tick button to confirm.
Code history: how long codes last
We have tracked this page's codes since October 4, 2026.
| When | Codes | How long they lasted |
|---|---|---|
| Sep 27, 2026 | TRAINS | Active |
| Earlier | FIRST | Disputed, see above |
Source: TheTechBasket code tracking, October 4 to October 4, 2026.
Expired Mini City Tycoon codes
These are the most recent codes to stop working:
| Code | Reward or note | Expired |
|---|---|---|
| None yet | No expired code has a known end date. Search the archive below. |
Full expired codes archive
Every Mini City Tycoon code we have recorded as expired. Use the search box to check a code someone sent you before you try it.
100M200kBUGsecretUPDATEUPDATE19
Mini City Tycoon codes not working?
- Typed instead of pasted. Paste the code exactly as shown, with no extra spaces.
- The code really expired. Search the archive above.
Official Mini City Tycoon channels
- Roblox group: Aurion Games. Joining gives a 10% cash boost.
- Roblox game: Mini City Tycoon.
- Discord: Aurion Games Discord.
FAQs
Are there new Mini City Tycoon codes in October 2026?
Not yet. The newest code is TRAINS, added around September 27 with the Trains-themed update. FIRST may still work too. Both give 50 Diamonds each.
Do I need to be in the group to redeem codes?
There is no group requirement for codes. The game description says joining the Aurion Games group gives a 10% cash boost.
What do Mini City Tycoon codes give?
Every working code gives 50 Diamonds.
Where do new Mini City Tycoon codes come from?
They come with game updates: TRAINS arrived with the Trains update in late September 2026.
Similar Roblox codes you can check next
Want more games? Open the full Roblox codes index.
Amit loves new tech and apps that make life easier, he writes about apps, games and useful websites on TheTechBasket.
