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fake_president_peppino @president_peppino

UNDERTALE CHAI ENGINE is an (upcoming!) open-source engine for UNDERTALE fangames with support for overworld maps, battles, cutscenes, and more! Featuring a built in editor, its own custom programming language, along with other simplified functionality to make creation easier, CHAI ENGINE should hopefully give you the tools you need to make your own fangame!!!

Alpha set to release Q2 2026...

#undertale #fangame #gameengine #rpg

Development Stage

Devlog

Engine/Language

Godot

Published On

May 9, 2026

Game Website

Mild Cartoon Violence

Mild Fantasy Violence

✨ Anynam ✨ @darkboi12

3 hours

this took me hours of work but it was worth it im SO FUCKING HAPPY RAAAGGHHH
see article for the code

Undertale

Deltarune

UNDERTALE Show & Tell

✨ Anynam ✨ @darkboi12

3 days

LARGE UPDATE TO THE WAY THE PROGRAMMING LANGUAGE WORKS

it's now formatted very similarly to languages like C !! it's a little more complicated to use but it's easier for me to make functions now :3 (see article for comparison)

Undertale

UNDERTALE Show & Tell

✨ Anynam ✨ @darkboi12

7 days

game page has been made!

Undertale

UNDERTALE Show & Tell

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