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[❄️XMAS!]Undertale Adventures

By Side Productions

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About this game

🎉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 traits

Playing

4,744

Rating

92.8%

Visits

21.8M

Favorites

44.9K

Official Roblox data 2 days ago

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At a glance

Difficulty, whether it works on your own, whether it works in Japanese, how it plays on a phone, and how far you get without paying. All five come from people who have actually played it.

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Codes

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Where beginners should start

Guide

01 How a match works Each stage runs in waves, and surviving them all earns you the resources you need to grow stronger.
02 Growing your units Running level-ups and trait upgrades side by side raises a unit's power.
03 Currency at a glance Money and Souls serve different purposes, so spending one where the other is needed wastes both.