13 Egress from the Underground » by Spoopysis Exploring the Hall of Egress leads Finn to fall down into the Underground, where he meets another Human named Frisk
K+, English, Adventure & Friendship, chapters: 3, words: 4k+, favs: 22, follows: 22, updated: 11/28/2018 published: 11/7/2018, Finn, Frisk, Flowey, Sans
7 Hunting Chara » by LOOKATMEIMBATMAN A human girl enters OOO, no one who she is. But she is a born murderer, and her plans are to kill everything in OOO. Can our heroes stop her massacre? Cover is done by bostonbunny and here is the link: /art/Finn-x-Undertale-581390542 Note: Main characters of Adventure Time will die, so expect that.
T, English, Crime & Adventure, chapters: 7, words: 14k+, favs: 7, follows: 11, updated: 5/9/2017 published: 1/7/2017, Finn, Jake, Sans, Chara
4 It Changes » by Galliar A thousand years is a long time. A child emerges from the Underground a millennia after they fall in, and finds that they don't know where they are. This child is found by two adventurers, who hope to keep them safe in this world. What kind of world have they found themselves in? What's new? What's gone? Whatever happens they live on, too determined to let it stop them. *Cya later*
T, English, Adventure, chapters: 2, words: 14k+, favs: 37, follows: 34, updated: 6/6/2016 published: 5/27/2016, Finn, Jake, Frisk