Deltarune
2018 role-playing video game
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| June 4 2025 | Third and fourth chapters of Deltarune released. |
| May 9 2025 | Toby Fox announces Deltarune will release on June 4, 2025 for PS4, Switch, PS5, and PC in the West, and at midnight June 5, 2025 in Japan, containing the first four chapters. |
| April 2025 | Deltarune is announced as a paid release during a Nintendo Switch 2 Direct, featuring the first four chapters. |
| 2025 | Deltarune ported to Nintendo Switch 2 and PlayStation 5. |
| 2025 | Next two chapters of Deltarune scheduled for paid release. |
| 2024 | Chapters 3 and 4 began undergoing localization and being ported to consoles. |
| 2024 | Production of Deltarune Chapter 5 began. |
| 2024 | The development team set and met an internal deadline of September 1 for completing Chapter 4's main content. |
| 2024 | Fox's team set and met an internal deadline of September 1 for completing the main content of Chapter 4. |
| December 2024 | In a newsletter, Fox confirmed that Chapters 3 and 4 would '100% come out' in 2025, and that Chapter 5 was in production. |
| January 2024 | Robert Sephazon is recruited as a producer for the Deltarune project. |
| January 2024 | Fox recruited a producer to help with the game's development. |
| October 2023 | Toby Fox announced that the initial paid release would only include Chapters 3 and 4. |
| September 2023 | A fully playable version of Chapter 3 was completed. |
| September 2023 | Toby Fox completed and made the third chapter of Deltarune fully playable from beginning to end. |
| 2022 | Development of Deltarune's third, fourth, and fifth chapters began simultaneously. |
| September 23 2021 | Deltarune Chapter 2 was updated on Nintendo Switch and PlayStation 4 platforms, coinciding with that day's Nintendo Direct. |
| September 17 2021 | Deltarune Chapter 2 was released for free on PC and Mac, with Fox citing the COVID-19 pandemic as a reason for the free release. |
| September 15 2021 | During a livestream celebrating Undertale's 6th anniversary, Toby Fox announced the upcoming release of Deltarune Chapter 2. |
| May 2020 | Toby Fox began development of Deltarune Chapter 2, working with his team and continuing to use GameMaker Studio 2 as the game engine. |
| 2019 | Chapter 1's soundtrack was nominated for the Game Audio Network Guild / MAGFest People's Choice Award at the 2019 G.A.N.G. Awards. |
| July 11 2019 | Fangamer released a 1-LP vinyl record of the Deltarune soundtrack. |
| February 28 2019 | Deltarune Chapter 1 is released on Nintendo Switch and PlayStation 4, developed and published by 8-4. |
| February 21 2019 | PlayStation Twitter officially announces the release of Deltarune Chapter 1 for PlayStation 4. |
| February 13 2019 | Nintendo Direct announces the upcoming release of Deltarune Chapter 1 for Nintendo Switch. |
| November 2018 | Deltarune merchandise is announced in collaboration with Fangamer, including various products like T-shirts, posters, plushies, and soundtrack albums. |
| October 2018 | First chapter of Deltarune released for free on macOS and Windows platforms. |
| October 2018 | First and second chapters of Deltarune released for free on macOS and Windows platforms. |
| October 31 2018 | Toby Fox releases the first chapter of Deltarune for free, initially disguising it as a 'survey program' and targeting players who have completed Undertale. |
| 2012 | Development of Deltarune begins but is abandoned before the first room is created. |
| 2012 | Toby Fox begins development of Deltarune, three years before the release of Undertale. |
| 2011 | Toby Fox has a fever dream that inspires the initial concept for Deltarune, seeing the ending to a video game that motivates him to create the project. |
This contents of the box above is based on material from the Wikipedia article Deltarune, which is released under the Creative Commons Attribution-ShareAlike 4.0 International License.