The Binding of Isaac

When Isaac’s mother hears a divine demand for a sacrifice, he escapes into the basement. There, he must face strange creatures and navigate a path toward safety.

Play as Isaac in a randomly generated action shooter with RPG and roguelike elements. Move through dungeons, fight enemies and bosses, and use tears as weapons.

Find treasures that grant abilities and change Isaac’s appearance, making each run different. Across four chapters and eight levels, unlock additional classes, items, enemies, bosses, and multiple endings.

Players who enjoy the game often point to its replayable runs, surprising item combinations, and challenging fights, with several also praising its dark atmosphere and soundtrack. Nostalgia is a recurring reason fans return to this original version. Other reviewers find the difficulty unfair, especially in some room layouts, and describe its controls and performance as showing the game’s age.