What are the working Undertale Arena codes?

There are 5 working Undertale Arena codes as of 24 Sept 2026, 5:30 pm. Copy them from the active codes list on this page and paste them into the game's redemption box.

How do I redeem codes in Undertale Arena?

Launch Undertale Arena in Roblox and wait for the map to finish loading. Open the Settings menu. Paste a working code from the table above exactly as it appears, capital letters included.

Why is my Undertale Arena code not working?

The code has usually expired, been mistyped, or the letters are case sensitive. Codes in the expired archive no longer redeem — copy active codes straight from the list instead of typing them.

When do new Undertale Arena codes come out?

Gaem Studios usually releases new codes around game updates, like and visit milestones, holidays, and after downtime. This page is checked and updated regularly.

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Undertale Arena Codes September 2026

by Gaem Studios · Roblox

177 playing 5 active codes Updated 24 Sept 2026, 5:30 pm

Play on Roblox Discord Roblox Group

If you have been chipping away at Undertale Arena, a fresh batch of codes is the easiest progress you will make today. There are 4 live codes on this page today and 32 dead ones kept in the archive below. Expect rewards like souls, gold and xp. Most drops disappear when the next update ships, so redeem them while they are still good.

All active Undertale Arena codes (5)

Tap or click any code card to copy it, then paste it into the in-game redemption box.

1 Soul, 100,000 XP, 1 DT, 50 Gold
Added 2024-07-29
150 Souls, 200,000 XP, 200,000 DT, 200 Gold
Added 2024-07-29
40 Souls, 35,000 XP, 38,000 DT, 500 Gold
Added 2024-07-29
500 Gold
Added 2024-07-29
1 Life Ink, 1 Life Genosans, 1 Life Error Sans, 500 G
Added 2023-10-08

How to redeem codes in Undertale Arena

Redeeming is quick — just follow these steps and the reward lands straight away.

Launch Undertale Arena in Roblox and wait for the map to finish loading.
Open the Settings menu.
Paste a working code from the table above exactly as it appears, capital letters included.
Confirm to redeem, and the reward lands in your account straight away.
If a brand new code is rejected, rejoin to land on a fresh server and try once more.

What rewards you normally get

Souls: Spent on weapons, abilities and skill unlocks that you would otherwise farm for.
Gold: Standard currency for shop purchases and upgrades.
XP: Experience that pushes you past the slowest early levels.

Why your Undertale Arena codes are not working

Typos. Use the copy button rather than retyping — one wrong character is enough to fail.
Capital letters count. Most codes are case sensitive, and a trailing space breaks them too.
It expired. Anything in the archive below is dead for good — no amount of retrying brings it back.
Fresh code, old server. A brand new code sometimes needs a server restart. Leave, rejoin and try again.

When new Undertale Arena codes are released

Gaem Studios does not publish a fixed schedule, but codes for games like Undertale Arena tend to appear around four moments: a major update or patch, a like or visit milestone, a holiday or in-game event, and as an apology after downtime or a serious bug. Following the official channels above is the fastest way to catch them.

Expired Undertale Arena codes

Kept for reference — these no longer redeem.

free in-game reward
Added 2024-07-08
130 Souls, 300,000 XP, 300,000 DT, 730 G
Added 2024-04-28
1 Soul, 2 EXP, 3 DT, -1 G
Added 2024-04-02
150 Souls, 200,000 XP, 200,000 DT, 200 G
Added 2024-04-02
100 Souls, 200,000 XP, 200,000 DT, 650 G
Added 2024-01-18
50 Souls, 100,000 XP, 200,000 DT
Added 2024-01-07
66 Souls, 66,666 XP, 66,666 DT
Added 2024-01-07
55,555 XP, 55 Souls, 55,555 DT
Added 2023-12-22
200K XP, 100 Souls, 200K DT
Added 2023-11-19
250K XP, 150 Souls, 250K DT, 500 G
Added 2023-10-25
200K XP, 100 Souls, 200K DT, 500 G
Added 2023-10-25
125K XP, 150 Souls, 155K DT, 120 G
Added 2023-10-08
10K XP, 10 Souls, 5K DT, 1 G
Added 2023-10-08

Code status is checked and maintained by the BloxRant team.

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