Undertale Yellow is a free fan prequel to Toby Fox's indie hit seven years in the making, and it's just released to massive fan acclaim.

Undertale is an amazing game that has inspired tons of fan-made versions. Here are some of the best that have been released to the public.

Toby Fox's Undertale is intentionally vague with much of its narrative, which has allowed fans to come up with these fascinating theories.

A Russian fan is making an Undertale spin-off in which the world turns 3D.

Everyone's favorite Undertale skeleton gets the fan art treatment from these fantastic artists.

Undertale: True Genocide is an Undertale fan-made game that takes place at the end of your genocide route in the original Undertale. True Genocide is a more story-driven fangame than your typical ...

As part of the AEW Halloween celebrations, the executive vice president, wrestler and Undertale fan Kenny Omega dressed up as the cult-hit skeleton and walked out on-stage with the game's ...

Ask any Undertale fan what they love most about the game and chances are they'll name the soundtrack. The original music was composed by creator Toby Fox, and received a great deal of praise for ...