Hollow Knight is a Metroidvania video game developed and published by Australian studio Team Cherry. The game was released for Microsoft Windows in February 2017, and later for macOS and Linux in April...
Definition #2 for "hollow knight"
Hollow Knight is an indie video game released for Microsoft Windows. It also will be released on the Nintendo Switch. The game is a ?Metroidvania?-style platformer, meaning it combines elements of combat, platforming and exploration in 2D, similar to the Metroid and Castlevania series. Hollow Knight has been well-received by critics and fans.