Code Shifter

The player controls control Sera, Stella's debugger avatar, inside her new fighting game, to combat flaws and fix glitches in the game. The game appears as an action side-scrolling video game. In these stages, the player finds data on other fighters (from Arc System Works' other works), which is used to turn Sera into 2D 8-bit versions of them. The game also has a 'Colorful Fighters' game mode featuring a brawler mini-game that allows up to 4 players to fight against each other.

After every stage, the player is allowed to roam around the studio as Stella. Here, the player can talk to other developers which appear as non-player characters.

, with initials spelling 'ARC', referencing the developers of the game. The player controls Stella, a video game developer working for said studio. Stella is currently developing a new fighting game. As Stella is about to finish developing the game, she discovers newly-found glitches in the game.

Stella develops a debug program called Code Shifter. The player sends Stella's debugger avatar, Sera, into various files through Code Shifter to combat flaws that appear as platforming stages in order to fix the glitches in Stella's game. The goal is to eliminate all glitches before the game's release date arrives.

The game was first announced at the start of January 2020, with a confirmed release in the first quarter of 2020.

The Nintendo Switch version of Code Shifter received "mixed or average" reviews according to review aggregation website Metacritic. The game also received a 19% critic recommendation average from review aggregation website OpenCritic.

A few critics stated that the levels were dully or poorly staged, condemning the repetition of designs and backgrounds. Many critics compared the Nintendo Switch version of Code Shifter to another Nintendo Switch game, namely Super Smash Bros. Ultimate. One critic compares the development studio in the game to two animated series, namely 6teen and Total Drama Island.