Undertale Arena Codes

All current and previous game codes for Undertale Arena on Roblox.

Last checked for codes: Todayat 05:22PM (08/30/2025)
5 Active20 Expired
Game thumbnail for Undertale Arena
  • FIVETHOUSAND!!

    This code credits your account with Unknown Reward.

    Active
  • SWAPSANSUPDATE

    This code credits your account with 1 Souls, 100,000 Exp And 1 DT.

    Active
  • FREEGOLD

    This code credits your account with 1 Exp, 1 Soul, 1 DT and 500 Gold.

    Active
  • ERRORUPDATE

    This code credits your account with 1 Exp, 1 Soul, 1 DT, 500 Gold, 1 Life Ink, 1 Life Genosans and 1 Life Error Sans.

    Active
  • SORRYGENO2

    This code credits your account with 1 Life Geno!Sans And 1 Life Error!Sans.

    Check
  • SORRYGENO

    This code credits your account with 20 Gold.

    Expired
  • FIVEDOTFIVEK?!

    This code credits your account with 100 Souls, 200k XP, 200k DT, 500 Gold.

    Expired
  • FIVETHOUSAND

    This code credits your account with 150 Souls, 250k XP, 250k DT, 500 Gold.

    Expired
  • 4POINT5K

    This code credits your account with 125 Souls, 150k XP, 200k DT.

    Expired
  • SORRYGENO4

    This code credits your account with 1 Life Geno!Sans And 1 Life Error!Sans.

    Expired
  • 1MILVISITS

    This code credits your account with 1k XP, 1k DT, 40 Souls, And Bonus Items.

    Expired
  • 3200LIKES

    This code credits your account with 60k XP, 60k DT, And 70 Gold.

    Expired
  • SUMMER2022

    This code credits your account with 300 Gold.

    Expired
  • 2700LIKES

    This code credits your account with 60k XP And 60k DT.

    Expired
  • 2300LIKES

    This code credits your account with 50k XP, 30 Souls, And 50k DT.

    Expired
  • REMZEROVERSE

    This code credits your account with A Cosmetic.

    Expired
  • GENOFRISKISBALANCED

    This code credits your account with Souls, EXP, And DT.

    Expired
  • EchidenpaiBrokeTheGAme2

    This code credits your account with Free Rewards.

    Expired
  • FREESOULS

    This code credits your account with Souls.

    Expired
  • SmallBoost

    This code credits your account with Free Rewards.

    Expired
  • EIGHTTHOUSANDLIKEARONI

    This code credits your account with 188 Souls, 188,888 Exp and 188,888 DT.

    Expired
  • UTA3YEARS

    This code credits your account with 130 Souls, 300,000 XP, 300,000 DT and 730 G.

    Expired
  • EASTERWOW!!

    This code credits your account with 150 Souls, 200,000 XP, 200,000 DT and 200 G.

    Expired
  • APRILFOOLS?!

    This code credits your account with Soul, 2 EXP, 3 DT and -1 G.

    Expired
  • SEVENTHOUSANDS

    This code credits your account with 200,000 Exp, 100 Souls, 200,000 DT and 500 Gold.

    Expired
CodeDescriptionStatusWorks
FIVETHOUSAND!!
This code credits your account with Unknown Reward.Active
SWAPSANSUPDATE
This code credits your account with 1 Souls, 100,000 Exp And 1 DT.Active
FREEGOLD
This code credits your account with 1 Exp, 1 Soul, 1 DT and 500 Gold.Active
ERRORUPDATE
This code credits your account with 1 Exp, 1 Soul, 1 DT, 500 Gold, 1 Life Ink, 1 Life Genosans and 1 Life Error Sans.Active
SORRYGENO2
This code credits your account with 1 Life Geno!Sans And 1 Life Error!Sans.Check
SORRYGENO
This code credits your account with 20 Gold.Expired
FIVEDOTFIVEK?!
This code credits your account with 100 Souls, 200k XP, 200k DT, 500 Gold.Expired
FIVETHOUSAND
This code credits your account with 150 Souls, 250k XP, 250k DT, 500 Gold.Expired
4POINT5K
This code credits your account with 125 Souls, 150k XP, 200k DT.Expired
SORRYGENO4
This code credits your account with 1 Life Geno!Sans And 1 Life Error!Sans.Expired
1MILVISITS
This code credits your account with 1k XP, 1k DT, 40 Souls, And Bonus Items.Expired
3200LIKES
This code credits your account with 60k XP, 60k DT, And 70 Gold.Expired
SUMMER2022
This code credits your account with 300 Gold.Expired
2700LIKES
This code credits your account with 60k XP And 60k DT.Expired
2300LIKES
This code credits your account with 50k XP, 30 Souls, And 50k DT.Expired
REMZEROVERSE
This code credits your account with A Cosmetic.Expired
GENOFRISKISBALANCED
This code credits your account with Souls, EXP, And DT.Expired
EchidenpaiBrokeTheGAme2
This code credits your account with Free Rewards.Expired
FREESOULS
This code credits your account with Souls.Expired
SmallBoost
This code credits your account with Free Rewards.Expired
EIGHTTHOUSANDLIKEARONI
This code credits your account with 188 Souls, 188,888 Exp and 188,888 DT.Expired
UTA3YEARS
This code credits your account with 130 Souls, 300,000 XP, 300,000 DT and 730 G.Expired
EASTERWOW!!
This code credits your account with 150 Souls, 200,000 XP, 200,000 DT and 200 G.Expired
APRILFOOLS?!
This code credits your account with Soul, 2 EXP, 3 DT and -1 G.Expired
SEVENTHOUSANDS
This code credits your account with 200,000 Exp, 100 Souls, 200,000 DT and 500 Gold.Expired

How to Use Codes in Undertale Arena

To redeem codes in Undertale Arena, first press the settings icon on the bottom left corner of the screen:

The settings icon in Undertale Arena

Then, enter your code in the Code box and press the Register Code button:

The code redeeming interface in Undertale Arena

About Undertale Arena

Undertale Arena features an Undertale-like experience with many similar mechanics and limitless characters that you can play as. Some of the characters include the most popular from the Undertale series: Sans (the all-time majority favorite), Papyrus, Muffet, Chara and many others.

Progressing and becoming stronger means you can buy items and other goodies from the shop to multiply your power, eventually becoming the best and most powerful fighter there is in the Undertale Arena.

Case Sensitive Codes

Codes from this game are case sensitive. They should be typed out exactly as they are shown.

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How to Use CodesAbout Undertale ArenaReport a Missing CodeReport a ProblemUndertale Arena on Roblox