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TDS Codes in September: The Batch Cycle

September 2026 closed with Tower Defense Simulator on an older batch. How the cycle works and how to read a code list for this game.

Working Codes Right Now

Last verified:

Synced live from our codes page — copy and redeem in-game. Expired codes are not listed here.

  • 2MILLION

    Free Mercenary Pursuit skin

    Active · Last verified 2026-10-31

  • 1MILCOMMUNITY

    Community milestone reward — contents not published

    Worth a try · Last verified 2026-10-31

  • COMMUNITY20

    Reward not published by any source

    Worth a try · Last verified 2026-10-31

TDS Codes in September: The Batch Cycle

September ended with this game holding a small handful of working strings, as it has at the end of most months since 2021.

How the cycle behaves

Each event, anniversary or player milestone ships a code or two. The previous set retires when the new one lands, which is why the expired archive is 84 entries deep and the live list is three.

Reading a list for this game therefore needs a date on every string. A list without dates is a list of history.

What people get wrong

The most common mistake is testing 2023 strings because a page still ranks for them. Those pages were accurate when written and were never updated; the strings died in the batch after theirs.

The second is assuming a crate code is worth less than a skin code. Crates here contain tower skins, so the difference is presentation, not value.

Looking ahead

October’s batch brought a named skin and a community milestone. Both fit the pattern: event-driven, short-lived, and worth claiming on the day you read about them rather than later.

Redeem in 30 seconds

  1. 1Join a lobby rather than a match; the box is not available mid-wave.
  2. 2Open the menu and find the codes entry, usually next to settings.
  3. 3Paste one code at a time and confirm each before moving on.

Full redeem guide →

Keep reading

What are the new Tower Defense Simulator codes for October 2026?

This article stays in sync with the live codes page — every active Tower Defense Simulator code lists its reward, source and last-verified date (currently 2026-10-31).

How do I redeem Tower Defense Simulator codes?

Launch Tower Defense Simulator on Roblox, open the codes/rewards menu, paste the code exactly as shown (case-sensitive) and submit. Rewards are credited instantly.

Why is my Tower Defense Simulator code not working?

Expired or mistyped codes are the usual cause. Copy codes instead of typing them, and check each code detail page for its real-time status and verification history.

When do Tower Defense Simulator codes expire?

Most codes die silently with an event end or update, without notice. We re-check regularly and mark expired codes as soon as they stop working.

Where do the Tower Defense Simulator codes in this article come from?

Every code is sourced from official channels (announcements, social media, event pages) and manually verified before listing — sources and last-verified dates are shown on the page.