Undertale Adventures X Codes (October 2026)
Undertale Adventures X (formerly Undertale Adventures TD) is a Roblox tower defense game with Undertale characters as units. Codes give souls, trait rerolls and unit materials.
Newest code: 9.5KCCU!!!2026 → 5,000 Jack-O-Tokens, 2,500 Souls. Redeem all 7 working codes below before they expire.
All Working Undertale Adventures X Codes
| Code | Reward | Player reports (30 days) |
|---|---|---|
9.5KCCU!!!2026NEW2 SOURCES | 5,000 Jack-O-Tokens, 2,500 Souls | |
ANOMALOUSEVENT2!!!NEW3 SOURCES | 15 Trait Rerolls, 5 Gaster Hands, 1,500 Jack-O-Tokens, 5 Goodie Bags and food items | |
ANOMALOUSEVENT!!!NEW3 SOURCES | 15 Trait Rerolls, 5 Gaster Hands, 1,750 Jack-O-Tokens, 5 Goodie Bags and food items | |
8KCCU!NEW2 SOURCES | 500 Trait Rerolls, 1,000 Jack-O-Tokens | |
7KCCU!NEW2 SOURCES | 500 Trait Rerolls, 1,000 Jack-O-Tokens | |
FREETOKENSNEW3 SOURCES | 5 Spooky Goodie Bags, 1,500 Jack-O-Tokens | |
Halloween2026!NEW3 SOURCES | 50 Trait Rerolls, 1,000 Jack-O-Tokens, 1,500 Souls, a Legendary Hero and more |
Tried a code? Tap Works, Expired or Invalid next to it. Your report helps everyone see which codes still work. Codes are case-sensitive, so use the Copy button.
2 SOURCES how many sites list the code · 1 SOURCE seen in one place so far · ✓ PLAYERS players say it works · REPORTED EXPIRED most reports say it stopped working
Expired Undertale Adventures X Codes
| Code | Reward | Player reports (30 days) |
|---|---|---|
PREPAREFORHALLOWEEN | 10 Temmie Flakes III, 25 Soul Fragments, 1 Bravery Vial, 1 Temmie Flakes IV, 10 Perfect Souls, 1,023 Souls, 1,023 Gold and more | |
6KCCUREWARD | 50 Trait Rerolls, 15 Gaster Hands, 5 Glamburger, 1 Temmie Flakes V, 5,555 Souls and more | |
5KCCUREWARD | 50 Trait Rerolls, 15 Gaster Hands, 5 Glamburger, 1 Temmie Flakes V, 5,555 Souls and more | |
MOREFREESTUFF | 25 Trait Rerolls, 3 Gaster Hands, 1,000 Souls | |
THANKYOUFORWAITING | 30 Trait Rerolls, 500 Gold, 1K Souls, 5 Summons | |
UPDATEJUNE10 | Reward not listed | |
2KCCU! | Freebies | |
FREESTUFF! | Freebies | |
UPDSEP25! | Rerolls | |
THANKYOU10kMEMBERS | Free rewards | |
HOTLANDS2025 | Free rewards | |
WINTER2025 | Free rewards | |
WELOVEUAPLAYERS | Free rewards | |
SORRYAFTERTALEDELAY | 3 Rerolls | |
THANKYOU12MILLIONVISITS | Justice Vial, Magu Fruit, Empty Gun | |
JUNE10UPDATE | 30 Trait Rerolls | |
XMASUPDATE2025 | 1 Reroll | |
TRADINGSOON! | Reward not listed | |
MONEYTONIGHT | Reward not listed |
How to Redeem Codes in Undertale Adventures X
- Launch Undertale Adventures X on Roblox.
- Click the Codes button on the right side of the screen.
- Type the code exactly as written (case-sensitive).
- Press Enter.
- Check your inventory for the souls, rerolls and items.
Why Is My Undertale Adventures X Code Not Working?
- Codes are case-sensitive and single-use per account, and several end in exclamation marks.
- Halloween event codes (Halloween2026!, FREETOKENS, ANOMALOUSEVENT) are likely to expire after the event.
- Do not confuse this game with Undertale Soul's RPG X; those codes do not work here.
- Codes expire without notice, so redeem new ones as soon as you see them.
What Do Undertale Adventures X Codes Give You?
Souls and gold buy and upgrade units, trait rerolls change unit traits, and Jack-O-Tokens are the Halloween event currency. The item rewards feed raids and unit evolution.
How to Get New Undertale Adventures X Codes
Side Productions posts codes in its Discord and Roblox group, often on member or visit milestones. Play it on Roblox.
About Undertale Adventures X
🎉The Halloween update is now live! We hope you all enjoy!🎉
🏰A tower defense game based on Undertale
🗡️Defend your base from monsters using Undertale units
👻Level up your units and make them stronger with traitsOfficial description from the game's Roblox page
| Developer | Side Productions ✓ (group) |
|---|---|
| Genre | Strategy / Tower Defense |
| Playing now | 3,885 (October 29, 2026) |
| Visits | 22.4M |
| Likes | 93% of 49.8K votes |
| Favorites | 45.3K |
| Server size | 15 players |
| Released | July 16, 2024 |
| Last update | October 28, 2026 |
Waiting for new codes?Play Trick or Treat Run: a free Halloween chase game in your browser. No download, no account.
▶ Play FreeFAQ
Is this the same as Undertale Adventures TD?
Yes, TD was the earlier name of the game.
Why do some sites list different codes?
The game gets new codes almost daily around Halloween and some sites lag behind. The list here follows the most recent checks from October 26, 2026.
Comments
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