Feudal Alloy is a Metroidvania-style action RPG that takes place in a huge medieval world filled with fishbowl-powered robots. The game allows players to explore a vast interconnected world, fight various mechanic creatures, and talk to other robots using a unique animated branching dialogue system.

The peaceful livelihood of the robot farmer Attu is upended in the computer game "Feudal Alloy" when bandits steal their oil supplies and demolish their residences. With a sword in hand, Attu sets out on a quest to defeat the evil and return home.  The game includes dynamic action combat with swords, grenades, dodges, and special skills. It also includes a variety of goods that may be used to change the player's appearance and abilities. The hand-drawn backgrounds, hidden collectibles, secret destinations, achievements, and trade cards add to the game's appeal.