
In most areas of the game, players encounter hostile bugs and other creatures. The Knight wields a type of sword called a Nail, which is used in both combat and environmental interaction. The player controls an insect-like, silent, nameless knight while exploring the underground world. Hollow Knight is a 2D side-scrolling Metroidvania game that takes place in Hallownest, a fictional underground kingdom. Gameplay screenshot in which the player fights the first boss enemy, the False Knight A sequel, Hollow Knight: Silksong, is currently in development. By December 2020, the game had sold 3 million copies.


Hollow Knight was well received by critics, with particular praise for its music, art style, worldbuilding, atmosphere, combat and level of difficulty. After release, Team Cherry supported the game with four free expansions. It was released for Windows, Linux, and macOS, in early 2017 and for the Nintendo Switch, PlayStation 4, and Xbox One in 2018. Development was partially funded through a Kickstarter crowdfunding campaign that raised over A$57,000 by the end of 2014. Inspirations for the game include Faxanadu, Metroid, Zelda II: The Adventure of Link, and Mega Man X. Team Cherry wanted to create a game inspired by older platformers that replicated the explorational aspects of its influences.

The concept behind Hollow Knight was originally conceived in 2013 in the Ludum Dare game jam. Players have the opportunity to unlock new abilities as they explore each location, along with pieces of lore and flavour text that are spread throughout the kingdom.

The game is set in diverse subterranean locations, and it features friendly and hostile insectoid characters and numerous bosses. In the game, the player controls the Knight, a nameless insectoid warrior, who explores Hallownest, a fallen kingdom plagued by a supernatural disease, known as the infection. Hollow Knight is a 2017 Metroidvania video game developed and published by independent developer Team Cherry.
