So Sorry is an optional boss in Undertale, not a separate game. In the game’s fiction, the character is a shy artist connected to an Art Club room in Hotland. The room is hidden, and the encounter’s timing is reported differently across guides, so a single date or clock setting should not be treated as a universal rule.
Who So Sorry is
So Sorry is a secret optional boss in Undertale, the 2015 role-playing game by Toby Fox. The character is presented in the game as an artist, and the encounter is tied to an Art Club room in Hotland, the lava-and-steam area of the game’s underground. Because the room is off the main path, many players never see it unless a guide points them there.
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Finding the Art Club room
The route to the room is hidden rather than marked on the map. Third-party guides place the entrance near Sans’s hot dog stand in Hotland. A RetroAchievements guide describes an invisible path in that area that leads to the Art Club room. Because the path is not visible, a guide is the practical way to locate it.
Guides agree on the location and on the fact that the room is secret. They do not agree on how the encounter is triggered, which is covered below.
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When the encounter can happen
The timing is the part of So Sorry’s story that varies most between sources. The table below lists what each reviewed source says. None of these claims comes from an official game manual, so treat each as a report from that guide rather than a confirmed rule.
| Source type | Stated trigger | Platform or version scope |
|---|---|---|
| Fan-maintained wiki | Describes the boss as found in a secret Hotland room on a particular date and time; the specific values are not stated in the reviewed entry | Not stated |
| RetroAchievements guide | October 10, at 8 AM or 8 PM | Not stated |
| TrueAchievements walkthrough | October 10, at 8 PM | Notes that the Switch and Xbox versions may allow the encounter at any time |
The practical reading is that October 10 appears in more than one guide, but the guides do not agree on the time of day, and one of them says the trigger may not apply at all on Switch and Xbox. A reader on a different platform or version should check a guide written for that exact release instead of assuming the PC-era date and time apply. Changing the system clock based on a single claim is a guess, not a verified method.
What is not established
Online discussions exist about who created So Sorry and how the character was developed, including claims about a crowdfunding history. The sources reviewed for this article do not establish a reliable account of those claims, and none is confirmed by an authoritative primary source. This article therefore does not present them as fact.
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The official Undertale website documents the game’s physical editions across platforms. It does not document So Sorry’s biography or the mechanics of the encounter, so those details rest on the third-party guides summarized above.
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Playing the encounter yourself
- So Sorry is only available in Undertale. There is no standalone version.
- Find a guide written for your platform and game version before searching the Hotland area.
- Expect the trigger to vary: the October 10 dates in guides are not confirmed as universal, and the Switch and Xbox note suggests that some versions may behave differently.
- Use a current guide if you are checking a claim, because the guides cited here are third-party and their publication dates were not given in the sources reviewed.
Physical editions of Undertale are listed on the official website for several platforms, so a physical copy is one way to obtain the game. Check the official site for current availability.
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