Underground War 2.0 Expired Codes

Underground War 2.0 codes are like-milestone strings. They do not rotate on a weekly clock, and they do not come back after the next thousand likes lands. This page is the do-not-retry list. The only confirmed working code as of September 2026 is 360K (500 Cash + 1 Free Potion) on the Codes Hub. If you are still typing 356K into Enter code here, stop; that string is dead.

capserg shipped this remake on 1 June 2022 (place 9791603388, universe 3624423521). There is no official Trello, Discord, or socials for the experience, so expired-code blogs keep reprinting each other. The HUD is the source of truth: left side, Codes, case-sensitive. Redeem steps live on How to Redeem Codes.

How the history actually works

When the Roblox like counter crosses a round thousand, a matching code appears (356K at 356K likes, 360K at 360K likes). Recent history is one live like-milestone string at a time. When 360K went live, 356K stopped working. The same pattern killed 352K, 346K, 339K, and the earlier band.

Release is the odd spelling in the archive: a launch-era code, not a like count. It is expired. Do not expect it to return; a return has not been published.

We do not invent exact Cash amounts for every dead string. What is published for the current milestone is 360K = 500 Cash + 1 Free Potion. Older like-milestone codes followed the same Cash + potion idea, not Robux, not the Rocket Launcher gamepass, and not a nuke. If a 2023 screenshot claims otherwise, it is mixing shop purchases or another game.

Expired list (recent)

These strings are expired. Do not enter them except as a curiosity; the box will reject them.

Code	Era	Notes
Release	Launch-era	Not a like count. Expired.
356K	Like milestone	Replaced by 360K. Expired.
352K	Like milestone	Expired.
346K	Like milestone	Expired.
339K	Like milestone	Expired.
296K	Like milestone	Expired.
287K	Like milestone	Expired.
280K–260K	Like-milestone band	The whole band is expired, not a range you can still scan for a live hit.

Write them with a capital K if you test anyway. Case-sensitive entry still applies; a reject on 356k does not mean 356K is secretly alive.

Unconfirmed leftovers (try-if-needed, not live)

Some trackers still list 275k, 23K, and 25K. Those are not confirmed as working in September 2026. They are leftover rows that never got cleaned when likes moved on.

If you insist on testing them:

• Match the tracker’s spelling, including the lowercase k on 275k if that is how they print it — then also try a capital K, because the HUD is case-sensitive and trackers disagree with each other.
• Rejoin a public server first. VIP servers are disabled.
• Treat a reject as the default outcome, not a HUD bug.

This wiki will not move those three into the working table until they are confirmed. The working table is Codes Hub.

Typical rewards (what expired codes were for)

Like-milestone codes exist to dump a Cash bump and sometimes a potion into an account that already plays the 6v6. They are not a Robux faucet.

Cash still spends on the four upgrades: sword damage, gun cooldown, shovel dig speed, and First Aid heal speed. A potion is a shop consumable. None of that replaces the dirt-break scoring loop (2 blocks → 1 point + $1; Sportskeeda’s 1 point per broken wall is the same loop), a kill (7 points + $7), or a flag steal (50 points + $50).

Expired codes also never unlocked:

• Robux
• The Rocket Launcher (350 Robux gamepass 49150929, slot 4, classic skin included)
• A confirmed grenade or trails pass (neither is confirmed in 2.0)
• VIP servers (disabled)
• A published NUKE point threshold

If an old list still advertises those as code rewards, the list is lying — see below.

Why old lists lie

They never mark expiry. A page that still leads with 356K or Release in 2026 is scraping itself. Like-milestone codes die when the next thousand lands. A list without a “dead” column is a trap for the HUD.

They keep 275k / 23K / 25K as filler. Unconfirmed rows make a table look long. Length is not a working count. Three leftover strings plus a dead band is not nine gifts waiting in the box.

They promise Robux. Underground War 2.0 codes do not pay Robux. Shop cash packs, cosmetics, kill effects, and potions cost Robux. That is a different cashier.

They mix 2008 and 2.0. Stickmasterluke’s original Underground War had a different shop culture. capserg’s 2.0 remake (version 2.8.32 as of 4 August 2026) does not inherit classic codes. Release in this archive is the 2.0 launch string, not a 2008 leftover you can revive.

They invent a redeem URL. There is no web redeem. You join the Roblox experience, open Codes on the left HUD, and type into Enter code here. How to Redeem Codes covers PC, mobile, case, and rejoin.

What to do instead of retrying dead strings

1. Redeem 360K from the Codes Hub if you have not already.
2. Spend Cash on purpose in the match. Do not sit in the codes box hoping 346K wakes up.
3. Play the actual loop: shovel dirt, fight with Sniper/Gun and Sword, steal the flag, interact with NUKE when the unpublished point threshold is finally met (~15 second countdown, Launch a NUKE badge).
4. When likes cross the next round thousand, look for a new string on the hub. The previous one will move here.

Bookmark this archive so you can sanity-check a YouTube description before you type it. If a video filmed in 2024 still shows 339K as “new”, it is a recut. The live list is short on purpose.