[🎉RELEASE🎉] Undertale Adventures X

by Side Productions StrategyTower Defense

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About Undertale Adventures X

Undertale Adventures X is a Roblox experience in the Strategy / Tower Defense genre, created by Side Productions. Right now it has 3,069 players online. 93% of the 44.6K votes are thumbs up. The game has been visited 17.8M times and added to favorites by 37.8K players. It was released in July 2024. The most recent update was on October 14, 2026.

From the creators

🎉UNDERTALE ADVENTURES X IS NOW LIVE🎉 🏰A tower defense game based on Undertale 🗡️Defend your base from monsters using Undertale units 👻Level up your units and make them stronger with traits

Description written by the game creators on Roblox.

Quick facts

Genre	Strategy / Tower Defense
Creator	Side Productions (group)
Released	July 16, 2024
Last updated	October 14, 2026
Max players per server	15
Content maturity	Minimal