when did undertale come out

Undertale first came out on September 15, 2015, for PC (Windows and macOS).

Quick Scoop: Key Dates

• Original PC release (Windows/macOS): September 15, 2015.

• Linux release: July 17, 2016.

• PlayStation 4 & PlayStation Vita: August 15, 2017.

• Nintendo Switch: September 18, 2018.

• Xbox One / Series X|S: March 16, 2021.

Undertale’s official “anniversary” is celebrated each year on September 15, matching that first PC release date.

In fandom circles and forums, when people ask “when did Undertale come out,” they almost always mean that 2015 PC launch date, since that’s when the game went from niche Kickstarter project to a full-on cult phenomenon.

TL;DR: When people say “when did Undertale come out,” they’re usually referring to September 15, 2015.

Information gathered from public forums or data available on the internet and portrayed here.