Role-playing (RPG)

Turn-based strategy (TBS)

Adventure

Indie

Deltarune: Chapter 1

PC (Microsoft Windows)

PlayStation 4

The PlayStation 4 system opens the door to an incredible journey through immersive new gaming worlds and a deeply connected gaming community. PS4 puts gamers first with an astounding launch line-up and over 180 games in development. Play amazing top-tier blockbusters and innovative indie hits on PS4. Developer inspired, gamer focused.

Nintendo Switch

PlayStation 5

Nintendo Switch 2

La historia sigue a un humano llamado Kris que vive en un mundo habitado por monstruos. Kris y una compañera de clase llamada Susie caen en un lugar desconocido llamado el &quot;Mundo Oscuro&quot;, donde conocen a Ralsei, quien les informa que son héroes destinados a salvar el mundo. El trío se encuentra con varios seres que se hacen llamar &quot;Darkners&quot; durante una misión profetizada para sellar la Fuente Oscura duplicada. Principalmente a través del sistema de combate, el jugador se enfrenta a diferentes tipos de ataques de balas infernales por parte de los enemigos, que pueden resolverse pacíficamente o mediante la violencia.

Deltarune: Chapter 2

Deltarune: Chapter 2 is the next installment of the sequel to beloved indie darling Undertale...in a different world! This time around, two more classmates join the protagonists in their adventure as they, too, discover a mysterious world hidden behind a door, called the "Cyber World".

Players with no save data will be able to start right at Chapter 2. “As long as you generally remember what happened story-wise, you’ll be fine,” the developers said in an FAQ.

Undertale Yellow

Bienvenido a Undertale Yellow. En esta precuela creada por fans del RPG Undertale, controlas a un humano que cae al subsuelo, al mundo de los monstruos... ¿Lograrás salir con vida? Ponte tu sombrero de vaquero y tu arma, y toma el lugar del alma amarilla de Undertale en su viaje por el Subsuelo en una aventura original.

Undertale Last Breath

Undertale Last Breath (aka. Undertale Final Breath) is an AU fangame where after 30 genocide routes Frisk reached the 31st genocide, Frisk found a strange door, and found a strange figure who then left, sending Frisk unconscious. The strange figure informed Sans the skeleton of the past genocide routes, agitating sans to the point that he swears to kill the human, no matter the cost.

Card & Board Game

Unotale: Card Game

Unotale: Card Game is an Undertale implementation of the famous card game where you try to eliminate all your cards first! And torture your friends with skips and draw cards!

Great Time Trio Remake

The events of the game take place after a temporal paradox caused by the Anomaly/Player, this event causes the judges from the Underfell, Fellswap & Storyfell universe to come together in a single timeline to fight the player together.

Undertale: Mad Mew Mew Port

Undertale: Mad Mew Mew Port is an Undertale fangame by DeadDuck. The game is a recreation of the Mad Mew Mew boss battle from the Nintendo Switch version of Undertale, making it playable on both PC and Android.

Alphys Neo

Alphys Neo is an Undertale fan game that features a custom boss fight against the character Alphys.

Undertale 2

Undertale 2 is the new awesome sequel to Undertale everyone has been talking about for the past few decades. It's totally not* a FANGAME OR ANYTHING.
(*Umm... Huh? Maybe it is a fangame... What a mystery...)

Undertale: No More Deals

A fanmade continuation of the Undertale genocide route, featuring a boss battle against Chara.

Undertale: Kindred Spirits

Undertale: Kindred Spirits is an Undertale fangame that tells the story of Batty and Mel, who possess the purple and blue souls respectively!

Hiding from the Underground's Royal Guard, their journey takes many twists and turns, ultimately challenging their partnership along with whether the food is actually good - down here in the underground.

Team Delusional's Dusttale

Team Delusional's Dusttale is our own take on the well-known AU: Dusttale, which in itself is a fangame of Toby Fox's Undertale. You will face many new roadblocks as the entirety of the underground questions your motives, and a familiar hooded figure looms over your every move. Will you choose the easy way out this time, or will you strive for a better tomorrow?

Sans Spielen's Epic Megalovania

You play as CHARAWSKI, a Polish commando whose goal is to end the war by eliminating the evil dictator SANS SPIELEN.

Puzzle

TS!Underswap

Linux

Linux is a free and open-source (FOSS/FLOSS) Operating System. In a more precise and complex definition, Linux is an open-source OS kernel on which a large variety of Operating Systems (known as Linux distributions) are built.

An unofficial fan-game of Toby Fox's Undertale. Explore a re-imagined world based on the premise of swapping character roles, and adding original content, to create new scenarios.

RobloxTale: Noob Fight

RobloxTale: Noob Fight is an Undertale fangame that puts the player in a custom boss battle against the Roblox noob.

Undertale: Promised.

Undertale Promised. A fight against Sans but pretty early on in the story.

TC!Underfell

Welcome to Underfell, an alternate universe of Undertale where the various monsters in the underground are vicious, where the law Kill or be Killed was firmly established. Never has the monster race been so divided before, gangs, mobs, a once united kingdom has now fallen and erupted into pure chaos. Can you survive the horrors of the underground?

Deltarune: Frozen Heart

The end of the Snowgrave Route seen from another place. While Kris gets torn to pieces by a bootleg Mettaton NEO, Susie have to face Noelle, lost in the trance of the Thorn Ring, before she freezes her to death! And who knows, maybe the situation can get even worse than that?

Platform

Super Mariofell 64

Nintendo 64

Super Mariofell 64 is a single level rom hack which contains an alternative universe version of The Princess's Secret Slide based on the Undertale AU "Underfell" but applied to Super Mario 64, which inverts the morals of the characters. The rom hack was released by SiIvaGunner during their April Fools' 2026 event, disguised as a playlist link under the video "The Princess's Sinistar Slide - Super Mariofell 64".

Undertale: Chara Boss Fight

Undertale: Icebound

Dusttrust X

From the developers behind the fangame Green Snas, Dusttrust X is a revitalization of the original Dusttrust AU as well as a spiritual successor to Legacy Underswap: Thanatos. You play as both Chara and Sans as you explore a broken version of the world you once knew and see how they both react to the new situation they put themselves in of their own doing.

Strategy

Arcade

The Wizard and The Slug

Xbox One

Welcome to a new generation of games and entertainment. Where games push the boundaries of realism. And television obeys your every command. Where listening to music while playing a game is a snap. And you can jump from TV to movies to music to a game in an instant. Where your experience is custom tailored to you. And the entertainment you love is all in one place. Welcome to the all-in-one, Xbox One

Xbox Series X|S

When a fugitive wizard meets a forest slug, a strange friendship is born. Together they traverse an oddball fantasy world, unraveling the mystery surrounding an ancient curse. Play as the fastest, most agile slug in video game history together with your spellcasting wizard companion. It's a team-up you never knew you wanted. Strong focus on humor, character interactions and story.

Dontforget Connected

Dontforget Connected is an online multiplayer Undertale/Deltarune fan-game with MMORPG-style gameplay. It features a new underground to explore, over 50 playable characters, new battle mechanics, and much more!

undertale

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