There are too many bugs, it is not possible to count them all, you can see them on Github.
godot will never be stable, I think use another engine.
You were inspired by M.C Escher’s Reptiles. Confess it.:)
The game suddenly crashes and closes when press trackpad(two fingrr right click) + space + wasd at th same time on Macbook Pro 2016. Maybe it’s a godot bug.