Welcome to the Undertale Wiki!
We are the most comprehensive encyclopedia on Undertale, currently maintaining 461 articles and 1,379 files, freely editable by anyone!
Links
Official links
Buy Undertale
Community links
What is Undertale?
Undertale is a story-centric RPG where no one has to die! Escape the underground, meet monsters with colorful personalities, and dodge enemy bullets in a unique turn-based battle system.
The game was created by Toby Fox, with its paid PC release on September 15, 2015. The demo can be downloaded and played from the official site for free. Any new events may also be informed via the official Newsletter.
Characters
Main characters
Bosses
Vendors
All characters
Items
Consumables
Weapons
Armor
Miscellaneous
Endings
Neutral Route
True Pacifist Route
Genocide Route
Hard Mode
Locations
Ruins
Snowdin
Waterfall
Hotland
New Home
True Lab
Announcements
- April 3, 2026: Wiki's 1st anniversary!
Wiki socials
Undertale/Deltarune Wiki Discord server is where our day-to-day operations occur. Discuss wiki content, report a mistake, suggest changes, or talk about the games!
Discussions uses your wiki account and has posts on important wiki projects you can participate in.
Wiki's Bluesky account posts updates and occasional trivia!
Want to help out?
The Undertale Wiki can be edited by everyone, even without an account! Feel free to add anything relevant and accurate to the pages, and refrain from adding speculation and false information. Conversely, if you spot any false information, please correct it.
Other Undertale Wikis
Deltarune Wiki
Undertale Yellow Wiki
Undertale Community Wiki (Chinese)