Metroidvania is a subgenre of action-adventure video games that emphasizes exploration and progression through interconnected environments. Players often gain new abilities or items that allow them to access previously unreachable areas, creating a sense of discovery and accomplishment. Notable examples include Metroid and Castlevania, which have defined the genre's mechanics and aesthetic.
The gameplay typically involves a combination of platforming, combat, and puzzle-solving, with a strong focus on narrative and atmosphere. Players navigate a vast world filled with secrets, enemies, and challenges, making each playthrough a unique experience. The genre has gained a dedicated following, inspiring many indie developers to create their own Metroidvania titles.