Where are hidden coins in Cuphead?

Related questions

1. How is Cuphead?
2. How do you use super in Cuphead?
3. Will there be a Cuphead 2?
4. Is Cuphead really hard?
5. Is Cuphead available on disc?
6. How long does it take to beat Okami?
7. How do you add a second player to Cuphead?
8. Will Cuphead ever come to switch?
9. How long does it take to beat Stardew Valley?
10. Is Cuphead the hardest game?

Tags

1. #simply
2. #getting
3. #cuphead
4. #players
5. #behind
6. #coins
7. #outside
8. #final
9. #easier
10. #world
11. #through
12. #hidden
13. #these
14. #stages
15. #found
16. #casino
17. #collecting
18. #north
19. #finale
20. #should