With vibrant graphics, smooth gameplay, and a vast selection of characters to unlock and upgrade, “Sans AUs Fighter 2” offers endless hours of fighting fun for fans of the popular Undertale universe.

Undertale is by far one of the best, and most influential, indie games ever made. Developed by Toby Fox, who's now working on the episodic Deltarune, it's also had its fair share of fan games.

and Twitter and Tumblr have since been filled with absolutely ridiculous fan art and memes of the two and other characters from the bracket and Undertale. The same day fans were celebrating Sans ...

A major part of the Undertale phenomenon has been its dedicated fanbase, which, a year after the game's debut, are still hard at work putting out some of the best fan art of any community ...

As various Undertale fans have pointed out online, Deltarune is an anagram for Undertale and refers to the symbol on Undertale NPC Toriel's tunic. Deltarune's website contains several warnings in ...

Toby Fox, creator of the brilliant Undertale, has weighed in on the debate ... "If well-meaning fans have made a mistake, it should be our job to figure out how to help them make it right." ...

Undertale creator Toby Fox has made no secret ... The Painful), Kody NOKOLO (founder of the fan site Mother Forever), Ryan Vandendyck (Citizens of Earth), and Daniel Airey (Reverie).

One of the Undertale community's favorite characters? The one and only jokester skeleton bro, Sans. Check out the gallery below for 21 awesome pieces of Sans fan art.