94 games like Undertale: Thanatos!

Angel's Lullaby takes place during the game's opening introduction, back during the Human and Monster War. Expanding on the lore, meta narrative and core themes of the original games, Angel's aims to enrich the Undertale world by mixing both the old and new....

Take on the role of a small human, as you explore an all new dynamic reimaging of the hit classic game UNDERTALE. Continue to decide the fate of monster kind's perception of humanity when faced with new unique surprises, and challenging obstacles. All in a wor...

In this new part of Undertale's world, take control of the new protagonist Louis as he searches to learn the fate or whereabouts of someone he held dear. Alongside this, cave-dweller twin humans "Sunny" and Renée will be joining Louis on this journey.

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In a game where anything can exist... LEMON SANS CHOOSES TO NOT.

A 3 chapter Undertale fangame with Dream SMP in it

A fangame that uses the same roles as Storyshift, but uses them in a very different way. Project Reality will contain the same original characters you love, and some new ones as well...

In Wonderful Idea, the personalities of certain characters are amplified. For example, Toriel is more protective, Undyne is more determined and Papyrus even ends up joining the Royal Guard.

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In SPOOKYTALE, you follow the story of the young, rebellious Max, who’s on a search for their lost sibling. Their next big lead: a mysterious grave-yard. Throughout their adventure, you’ll get to meet new friends, visit old enemies, survive deadly japes, atten...

A solo co-op experience. Control two humans with one SOUL in a new UNDERGROUND with four official endings (with differing variations).

Experience a one-shot adventure setting up the vibrant characters of Undertale Green through a drab snippet of the surface! Interact with an unorthodox battle system, make new friends, and prepare for the long road ahead.

An alternative timeline of UNDERTALE where, before the Determination experiments took place, monsters have attempted to create an artificial human SOUL in order to cross the barrier early. Out of three of them, only one 'survived' - with the given name of "Gla...

DoctorTale is a crossover fan-game based on the sci-fi series Doctor Who (by BBC) and the RPG game UnderTale (by Toby Fox). The plot tells of the Time Lord from Gallifrey, traveling across different planets that are imprisoned in one large Pocket Universe whi...

Play as the Wizard named Frisk. Welding magic as a weapon, you have to end the Eternal Night, destroying the heart of darkness that plagues the land, freeing the world from the wicked clutches of the ancient curse. Will you let the darkness blind you? Will you...

Play as Frisk all grown up after the ending of Undertale. FIGHT or SPARE your way through a brand new world, where characters from all across the video game multiverse come together and wage battle

Neofall is a RPG-PLATFORMER combo. You make friends, solve puzzles, beat bosses, and overcome your inner demons.

A take on the events of the Swap version of the famous "Disbelief Papyrus" Alternative Timeline

A take on the Disbelief project owned by FlamesAtGames where the roles of Sans and Papyrus are reversed in the no mercy route!

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