During the descent, players will find "timevoids", which, upon entering, stop everything outside them, as well as the music. These timevoids may lead to caves, which provide the player with a large amount of gems, or with an alternate weapon, which influences speed, delay, ammo usage, ammo count and the shoot pattern of the gunboots, as well as providing either health or a max ammo upgrade. In other cases, the timevoids lead to a shop, where he is welcomed by a Jizō, who is taking the place of a shopkeeper, offering the player three different items in exchange for gems.
The well is built up from multiple stages, each of them having three levels and featuring different sets of environmental designs and enemies. At the end of each level, the player is given the choice between three player upgrades, which persist throughout the play session and support the player, additionally to ammo upgrades or shop purchases. Additionally, alternating with color palettes unlocks, the player unlocks different movement styles, which influence his position and movement animation while on solid ground, as well as some of the well's procedural attributes, like frequency and type of timevoids.
Development
Downwell's development began around March 2014. At that time, Fumoto had graduated in opera singing at the Tokyo University of the Arts, but felt like that was not the way he wanted to go in life. So, at the end of February 2014, Fumoto canceled his studies and went on to make multiple "game-a-week" projects, after he read about that idea in Rami Ismail's article on Gamasutra. Downwell was Fumoto's thirteenth project, in which he instantly saw a high potential and decided to continue its development. Much of the game was influenced with Fumoto's obsession with Spelunky, and the initial idea for the game came from him wondering what a mobile phone game with similar gameplay would be like. In early development the gameplay was that of a standard platform game, however once Fumoto came up with the Gunshoe mechanic he rebuilt the game around it. During early development, the game was titled Fall or Well, however, during an indie meet-up in Tokyo, Japan, Fumoto figured that he needed an actual name for his game, and therefore came up with Downwell, and stuck with it. While the game was not very popular at the time, Fumoto started posting animated GIF images of Downwell's gameplay in early development stages on his Japanese Twitter account, which came to the attention of Cara Ellison from The Guardian, as the game was largely different from Japan's usual indie gaming market. On the same day of the article being published, indie publisher Devolver Digital hooked up with Fumoto through a comment on one of his GIF images, which showed the player shooting monsters and crates together with the "drone" upgrade, which repeats the actions the player takes. This comment and the following dialog then led to Devolver Digital becoming Downwell's publisher. With constant support from Devolver Digital and Fumoto's continuous posting of GIF images led to the opening of the game's official website and the announcement for the late 2015 release on iOS and Microsoft Windows.
Due to Devolver Digital's international influence, the game went to different gaming conventions, one of which was the Independent Games Festival 2015, which was held from 2 March 2015 to 6 March 2015, at which Downwell got to the finalists of the "Student Showcase Award". Another important convention was Japan's largest indie games festival, BitSummit 2015, which was held from 11 July 2015 to 12 July 2015, and at which Downwell was nominated for the Vermillion Gate Award by the Grand Jury and scored second behind La-Mulana 2. The game was finally announced for a release on 15 October 2015 and was released for iOS and Microsoft Windows, while Moppin continued working on the Android version. On 12 November 2015, Downwell was nominated for "Best Mobile/Handheld Game" for The Game Awards 2015, which took place on 3 December 2015. On 11 December 2015, publisher Devolver Digital teased Downwell for future release on PlayStation Vita by sharing a picture showing the game running on a PlayStation Vita device with tate mode enabled. On 26 January 2016, it was announced that Downwell would be released the following day, respectively, 27 January 2016. On 9 February 2016, an official video by Sony Computer Entertainment revealed that the game would be released for PlayStation 4 and PlayStation Vita sometime in 2016.
Fumoto announced in January 2018 that had started working for Nintendo, saying "I'll do my best". It is believed that his success with Downwell was a large factor in his hiring. Fumoto previously stated that "it was super fun developing games as indie" and that he "could not wait to see what it's like to develop games as part of a bigger team." In September 2018, during that month's Nintendo Direct show, it was announced that Red Phantom Games was developing a port of Downwell for the Nintendo Switch.
