

If the player ignores Sans' warning and continues slaughtering every monster they meet, he eventually confronts the player in the Last Corridor to prevent them from destroying the world, acting as the route's final boss. He threatens the player with a "bad time" if they proceed with their actions before the Papyrus boss fight. If the player opts to kill every monster in each area, Sans' behavior will be very different. If the player does not kill any monsters, Sans appears alongside the other main characters after the fight with Asgore is prevented.

After the player defeats Asgore and Flowey (if he has not been fought before), and they leave the Underground, Sans calls them to inform them of what occurred after their departure, having different dialogue depending on the player's actions in-game. He judges the player for how high their EXP and LOVE values are before disappearing and letting the player proceed to fight the king, Asgore. Sans makes one more appearance in the "Last Corridor", where he reveals the true meaning of the " EXP" and "LOVE" values that the player has accumulated through the game: 'Execution Points' and 'Level of Violence', respectively. He reveals that he made a promise not to kill any humans who come to the Underground, and states that if he had not made that promise, the player would be "dead where stand".

As he talks, he explains how he befriended a woman behind the large door in Snowdin who shared his love for puns. Later in the game, Sans invites the player to go eat at a restaurant with him, if they so choose. As the story proceeds, Sans continues performing such antics as attempting to sell the player fried snow. After helping the player hide from Papyrus, Sans follows his brother throughout most of the forest, commentating on his puzzles and even contributing a word search, much to Papyrus' dismay. He clarifies that he has no interest in capturing humans, unlike Papyrus, whom he describes as a "human-hunting FANATIC". Sans first appears in Snowdin, initially appearing as a silhouette approaching the player from behind before shaking the player's hand, setting off a whoopee cushion. Papyrus was hired as a royal guard trainee sentry and forces his brother to help in his quest to capture a human.

Prior to the events of Undertale, he had moved to the settlement in Snowdin from an unknown location with his brother Papyrus. Sans is a skeleton wearing a blue jacket, black shorts with white stripes, and white slippers.
#Snow bros 2 final boss skin
His likeness also appears as a customizable skin for the Mii Gunner character in Super Smash Bros. Sans appears as a brief cameo in the related game Deltarune.
#Snow bros 2 final boss mods
His popularity with fans inspired several user-created mods and other types of projects. The character was praised by critics for his dialogue and boss fight, which is considered to be the most difficult in the game. His name is based on the Comic Sans font, which is used for most of his in-game dialogue. Initially appearing as a friendly NPC, he later becomes the de facto final boss if the player chooses to complete the "genocide route" and destroy the game's race of monsters. Sans is a fictional character created by Toby Fox for the 2015 role-playing video game Undertale. Sans as he appears in battle in Undertaleĭeltarune: Chapter 2 – A Cyber's World (2021)
