lead=yes is a Japanese video game developer formed on June 25, 2010 by Naoto Ohshima (a former character designer for the Sonic the Hedgehog franchise), Yoji Ishii, and key members of their previous studio, Artoon, and based in Yokohama. Its name is a portmanteau of the words " art" and " zest".
Arzest started off working on select mini-games in for Nintendo, with whom the studio would work with on numerous occasions, developing such titles as Yoshi's New Island, as well as content updates to the Nintendo 3DS application StreetPass Mii Plaza (namely the addition of SpotPass features to the mini-game Puzzle Swap, among others).
Arzest collaborated with Sonic Team to develop its latest title, Sonic Superstars (2023). Beginning work in early 2021, It marked Naoto Ohshima's first involvement with the Sonic series since Sonic Adventure (1998)
However, the pair's partnership soured as tensions arose during development. In April 2022, a year after leaving Square Enix the previous April, Naka said that he had been removed from the development team six months before release after he complained of Balan
Balan Wonderworld was released in March 2021 to critical and commercial failure. Naka believed that it had been released unfinished, and accused both Arzest and Square Enix of "not caring for their customers".
| 2011 | Wii | Developed games: Spooky Search, Jump Park, and Cone Zone | |
| StreetPass Mii Plaza | 2011 | Nintendo 3DS | Built-in app for console; also developed StreetPass Explorers / Mii Trek |
| Time Travelers | 2012 | 3DS, PSP, PS Vita | Character modeling |
| Slot Monsters | 2013 | Android, iOS | |
| Yoshi's New Island | 2014 | 3DS | Published by Nintendo |
| Terra Battle | 2015 | Android, iOS | Co-developed with Mistwalker |
| Boost Beast | Android, iOS, Web browser, Kindle Fire, Nintendo Switch | ||
| Mario & Sonic at the Rio 2016 Olympic Games | 2016 | 3DS | Not involved in the Wii U version |
| Hey! Pikmin | 2017 | Published by Nintendo | |
| Terra Wars | 2018 | Android, iOS | Co-developed with Mistwalker |
| 2019 | 3DS | Developed Giant Battles section, Published by Nintendo | |
| 2020 | Android, iOS | Programmed rhythm game, Published by Idea Factory | |
| Balan Wonderworld | 2021 | Co-developed with Square Enix (under the Balan Company brand) and published by Square Enix | |
| Fantasian | iOS | Co-developed with Mistwalker | |
| Sonic Superstars | 2023 | Microsoft Windows, PlayStation 4, PlayStation 5, Xbox One, Xbox Series X/S, Nintendo Switch | Co-developed with Sonic Team |
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