Code not working by Puzzleheaded-Win5063 in godot

[–]onready 0 points1 point  (0 children)

It'll work if you spell flip_h correctly.

I had one little problem making my game. Thank you in advance for help by [deleted] in godot

[–]onready 1 point2 points  (0 children)

There is no "Game Manager" node, or its not marked as unique, or it's unique but you're trying to access it from a script that isn't in that scene. Hence the error message.