Terraria, a 2011 action-adventure sandbox game by Re-Logic, blends exploration, crafting, building, and combat in a procedurally generated 2D world. Initially released for Windows, it now spans multiple PC and console platforms. Players paint, fight creatures, and shape their surroundings. With 58.7 million copies sold by 2024, Terraria ranks among the best-selling video games ever. Its name, pronounced “tə-RAIR-ee-ə,” hints at the earthly realms players explore and transform. Players begin in a unique, computer-generated realm. Armed with rudimentary equipment and guided by an AI companion, they explore a multi-layered world of interactive tiles. This virtual mentor highlights key features and progression paths as adventurers navigate and reshape their environment. The game’s landscape unfolds differently each time, offering endless possibilities for discovery and creation.