Undertale fan games be like:

Undertale - Correct Quiz Answers

Undertale Fangames Themes Challenge: Can You Guess the Theme? | Easy - Hard.

The Hardest Undertale Quiz

Do You Know These Video Games? (Piano Quiz - Part 1)

Undertale Boss Theme Quiz

Can YOU Guess The Undertale Songs? 🎼 Undertale Music Quiz

[JUST A TEST] Shop Fight Sans

Undertale has made me an UNDYNE STAN (but I am still scared of her)

Game Theory: UNDERTALE - Sans's SECRET Identity!

What if You Skip "Name the Fallen Human" Part? [ Undertale ]

Average sans fangame difficulty

The Larger the Video Game the Harder its Music Gets

Only 1% Can Guess These Games In 10 Seconds (Music Quiz)

Evolution Sans Gamepass | ROBLOX | UTMD Battles Test Place

Undertale Sans's Room secret?

[OUTDATED] Sans Combo || Undertale Test Place Reborn || Roblox

Blind Test Undertale #2

All the Undertale Songs Are Connected (REMASTERED)