82 Leaving the Void » by Bamimilyt6 Gaster lost count of the days since he first entered the Void, but since that day, he had watched and analyzed each and every timeline there was. Just a few more resets, he calculated, and the timelines would start to mix. Worse, they would start to destroy each other. He had to make things right, stop the resets, and to do that, he had to leave the Void. UPDATE 2024: NEW EPILOGUE!

30Error's Fight » by phantom.phan.rp Error!Sans has taken Underswap Sans, and so Papyrus has brought Undertale Sans to his universe to help him save his brother. Now the two of them have to gather the other Sans' from the other Universes to save Swap!Sans and stop Error. Will they stop Error before he destroys any more timelines? Will they save Swap!Sans in time? (I'm bad at summaries, it's better than it sounds)

21Hugs and Kisses » by StormyFictioners A prank gone wrong sends UnderFell Sans now known as Red teleporting accidentally to UnderTale. Weak and confused it's up to the UnderTale Brothers to nurse him back to health and rescue UnderFell Papyrus from the living hell that is their Universe. Sanscest Kustard and Papcest Edgepuff. Slow burn. We do not own Undertale. -Check out our poll-

119 TotT 2: Fathers and Sons » by Celestial-Lorekeeper It's the start of Summer Vacation when Jim gets an unpleasant surprise: James Lake, Sr. has returned! It seems he wants to make amends with his son, but is that what he really wants? And when a new threat arises Jim finds he must make a choice he never thought he'd have to. (Takes place after 'To Tell the Truth.') Rated T for safety. Book two of "Tales of the Trollhunters"

3 Bigger Brother by Bitter Baristas Underswap AU. For so long Papyrus had been his world. His day and night. Everything he did, he did to care for his baby brother, to ensure he had all he needed. And when Papyrus no longer needed him, that energy went towards the royal guard. Now what did he have? Sans gives up pursuing the royal guard and Papyrus realizes what Sans sacrificed for him when they were kids.

2 The Struggle is Real by MNLMFangirl Underfell. Some of us struggle more than others in our everyday lives. Some of us wish for death to take use away in its embrace like it'll be our saving salvation. It is a wish that you might say is to die for. But could it really be that simple? Could the embrace of death truly be what is needed in dark times such as this? Or is there more that we overlook? Rated T for safety.

2The World of Light (Underfell Fic) » by SelestAngeliska Sans is sent out to bring back human souls to break the barrier as the monsters are getting impatient. They see him as expendable. Sans meets Frisk and has them help him learn this world but does he actually want to go back. (Sans X Frisk)

939Undertale: After Freedom » by LittleMarbles {WARNING: This fic is INCREDIBLY old, has godawful typos and isn't finished, nor may it ever be completed.} A year passed since Frisk freed the monsters from the underground. They now live with Toriel, and every day is a new adventure as they do their best to help their new friends adapt to living on the surface.

22 Happy Family Extras » by Sunfreckle Alternate chapters, deleted scenes and bonus content or my completed Undertale fic "Happy Family", in which the entire main cast gets to enjoy a happy life on the surface. Extra content includes: Grillby helping Muffet to start her bakery; Frisk and Monster Kid getting together as teenagers; Sans and Toriel getting engaged and Bratty x Burgerpants fluff. Betaed by BookishAngel.

15Broken Trust » by woolywitch Underswap Fanfiction where Papyrus discovers Sans is a human. Now the two brothers have to deal with the fallout. Wait is Sans even really Papyrus' brother? I posted this for a friend who waned it on this site ;P If you want other story's and extra content go check out my Ao3 under the same username!