Daemon X Machina is a mecha simulator game developed by Marvelous. It is set in the future after an apocalyptic collision of Earth and Moon. The game is available on Nintendo Switch, and it falls under the action game subcategory.

In this game, the player assumes the role of a mercenary pilot, an "Outer," who controls a battle robot, an "Arsenal," tasked with protecting humanity. The robots are highly customizable, and the game allows you to change details even during combat. The Outers are not merely human beings but are people with superhuman powers that make them outcasts of society.

The game features a cell-shaded pseudo-2D animation style with high contrast and limited use of colors, which is inspired by anime series like Evangelion and Gundam. Additionally, it features heavy metal music. Daemon X Machina has a cooperative multiplayer mode that allows up to four players to participate.