Hollow Knight is a 2017 Metroidvania action-adventure game developed and published by independent developer Team Cherry. In the game, the player controls the Knight, a nameless insectoid warrior. The Knight explores Hallownest, a fallen kingdom plagued by a supernatural disease. The game is set in diverse subterranean locations, and it features friendly and hostile bug-like characters and numerous bosses. Players have the opportunity to unlock new abilities as they explore each location, along with pieces of lore and flavor text that are spread throughout the kingdom.