Langrisser's game takes place in a medieval fantasy world where players control a group of heroes who save the world from an ancient evil. The game's narrative is interwoven by multiple branching paths, which adds to the playability of the game. Players' choices throughout the game have an impact on the story, giving them a sense of agency and control over the game's outcome. Players begin each mission by choosing their hero squad from a pool of characters they acquire throughout the game. These characters are divided into different classes, such as swordsmen, archers, mages, and cavalry, each with unique abilities and attributes. Players must carefully choose their squad composition based on the strengths and weaknesses of their opponents and the terrain of the battlefield. This element of squad customization is an important aspect of Langrisser's gameplay.

The turn-based combat in Langrisser is complex and subtle. Each character can move a certain number of squares per turn and can attack enemies within its range. Characters can use special abilities, such as healing spells or powerful ranged attacks of influence, to gain an advantage over their opponents. The game's combat system is designed to reward players who make strategic decisions, such as flanking enemies or using terrain features to gain an advantage in battle. a unique feature of Langrisser's combat is the emphasis on unit placement. Players can place their characters in different formations, such as squares or wedges, which can have a significant impact on their combat effectiveness. For example, square formations provide greater defense against frontal attacks, while wedge formations are more effective at breaking down enemy defenses.

As players progress through the game, they can upgrade their characters and equipment to make them even more powerful in battle. Players can choose the focus skills for each character, creating a sense of ownership and customization. The game's skill system is deep and complex, providing players with a wide range of options to build their characters and squads.