Sonzai Games, based in Osaka, Japan, is lead by sole developer Sergio Matta. They are the sole developers of Super Sami Roll (2021) and the upcoming sequel Super Sami Roll 2.

Other works include Bat Boy (2023, Co-Developed by Sonzai Games and X PLUS Company Limited) and collaborations on Smelter (2021, Developed by X PLUS Company Limited) and Last Time I Saw You (2024, Developed by Maboroshi Artworks).