When did hollow Knight come out?

Related questions

1. Is Hollow Knight DLC on switch?
2. What is hollow Knight rated?
3. Is Hollow Knight on Xbox 360?
4. Is Hollow knight coming to Xbox?
5. How do you get different endings in hollow Knights?
6. Is all hollow Knight DLC free?
7. Is Hollow Knight on PC?
8. Does hollow Knight switch have DLC?
9. Is Hollow knight coming to ps4?

Tags

1. #playstation
2. #macos
3. #released
4. #linux
5. #published
6. #knight
7. #switch
8. #nintendo
9. #cherry
10. #hollow
11. #windows
12. #metroidvania
13. #developed
14. #microsoft
15. #video