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N/A '
Undertale switch boxart.jpg
Undertale's box art for the Nintendo Switch
System Microsoft Windows
Nintendo Switch
Genre RPG
Rating N/A
Publisher Toby Fox
Developer Toby Fox
Release dates
International September 15, 2015

Undertale (stylized as UNDERTALE) is an indie game created by indie developer Toby Fox. The game initally released for the Microsoft Windows and since then it has been released on multiple platforms such as the Nintendo Switch. The game takes inspiration from the EarthBound series in terms of artwork and music, and even crosses over with said series with a new installment EarthBound: Down Under releasing next year.


Warning! Spoiler warning: this article or section may contain major plot or ending details! Proceed with caution. Warning!

Undertale takes place in the Underground, a realm to where monsters, once equal to humans, were banished after war broke out between them. The Underground is sealed from the surface world by an imperfect magic barrier, the only point of entry being on Mount Ebott. A human child falls into the Underground and encounters Flowey, a sentient flower who teaches them the game's mechanics and encourages them to raise their "LV", or "LOVE", by gaining "EXP" through killing monsters. When Flowey attempts to murder the human to take their soul for himself, the human is rescued by Toriel, a motherly goat-like monster, who teaches the human to solve puzzles and survive conflict in the Underground without killing. She intends to adopt the human, wanting to protect them from Asgore Dreemurr, the king of the Underground.

The human eventually leaves Toriel to search for Asgore's castle, which contains the barrier leading to the surface world. Along the way, the human encounters several monsters, including: the skeletons Sans and Papyrus, two brothers who act as sentries for the Snowdin forest; Undyne, the head of the royal guard; Alphys, the kingdom's royal scientist; and Mettaton, a robotic television host Alphys created. Some of them are fought, with the human having to choose whether to kill them or to show mercy; should the human spare them, they may choose to become friends. During their travels, the human learns the cause of the war between humans and monsters. Asriel, the son of Asgore and Toriel, befriended the first human child who fell into the Underground and was adopted by Asgore and Toriel. One day, the child killed themselves by eating poisonous flowers. When Asriel returned their body to the humans, they attacked and fatally wounded him, resulting in Asgore declaring war. Asgore now seeks to break the barrier, which requires him to collect seven human souls, of which he has six.

The game's ending depends on how the player resolved encounters with monsters. If the player killed some but not all monsters, the human arrives at Asgore's castle and learns that they also need a monster's soul to cross the barrier, forcing them to fight Asgore. Sans stops the human before their confrontation, revealing that the human's "LOVE" is an acronym for "level of violence" and "EXP" for "execution points." Sans judges the human based on the combined resolution of the encounters. The human fights Asgore, but Flowey interrupts them, killing Asgore and stealing the human souls. With the aid of the rebelling souls, the human defeats Flowey, falls unconscious, and awakens on the human side of the barrier; they receive a phone call from Sans, explaining the state of the Underground after the human's departure.

If the player instead kills no monsters and has completed a previous playthrough of the game, Flowey is revealed to be a reincarnation of Asriel, created as part of Alphys's experiments. Toriel intervenes before the human fights Asgore and is joined by the other monsters the human has befriended. Flowey ambushes the group, using the souls of all the monsters to take an older Asriel's form to fight the human. The human connects with their new friends during the fight, eventually triumphing. Asriel reverts to his child form, destroys the barrier, and expresses his remorse to the others before leaving. The human falls unconscious and is awoken to see their friends surrounding them, with the knowledge of the human's name – Frisk. The monsters reintegrate with the humans on the surface, while Frisk has the option of accepting Toriel as their adoptive mother.

Another ending ensues if the player kills all monsters, in which Frisk becomes influenced by Chara, the fallen human child whose body Asriel attempted to return. When Frisk reaches Asgore's castle, Sans attempts to stop them, but Frisk kills him. Flowey kills Asgore in an attempt to get mercy, but Frisk executes Flowey anyway. The fallen human child assumes control and, with or without the player's consent, destroys the universe. To enable further replays of the game, Frisk must first give their soul to the fallen human child in exchange for restoring the universe, which will permanently alter every subsequent Pacifist run.


For some weird reason, a pencil-shaped iron statue is blocking the path.
This article or section is under construction.
  • Frisk: The main character. Frisk is a child who fell into the Underground and embarks on a journey to return to the surface.


The two was the player encounters enemies are through random encounters or scripted events. The enemies fire attacks a heart the represents the player's soul, the player must move the heart around in order to avoid the attacks. The player has the option of attacking the enemy which involves timed button presses. The ACT command allows the player to perform various actions depending on the enemy.

Enemies will speak in battle to express their feelings and actions to the player. Enemy attacks change based on how players interact with them: should players choose non-violent options, enemy attacks are easy, whereas they become difficult if players choose violent options. If the player uses the right actions to respond to the enemy, or attacks them until they have low HP (but still alive) they can choose to spare them and end the fight without killing them. For some boss encounters to be completed peacefully, the player is required to survive until the character they are facing has finished their dialogue. The game features multiple story branches and endings depending on whether players choose to kill or spare their enemies; and as such, it is possible to clear the game without killing a single enemy.


Undertale quickly gained massive success upon its release and was quickly considered a cult video game by numerous publications much like EarthBound. The game was acclaimed for its thematic material, intuitive combat system, musical score, originality, story, dialogue, and characters. The game sold over one million copies and was nominated for multiple accolades and awards, with several gaming publications calling Undertale the game of the year.

Many fans have noted the many similarities between this game and the EarthBound series. Some fans consider Undertale to be the spiritual successor to the EarthBound series with many EarthBound fans giving Undertale praise for its similarities.