The name of the level is the hint. Spoiler Once you solve the riddle you have to use binary to introduce the code. You can have a look at Meko Spirit 2 for further hints.
@vince I should have said that the intended name for the level was "Center of Gravity" - not "CenterOfGravity". However, this is a fun riddle that gets people a bit confused, that's why I used it. Spoiler that's why its a v
I think I ruined the level. Spoiler Instead of solving the 8switches position, i used a falling trick to go to the lift to the ball. But that level is good
@imposiblelevels The tripping on air trick is generally not intended, and disliked by most players. That's why it is generally accepted if a level is not protected against a shortcut using that trick
@vince I didn't know of this trick before making this level. I have now played your 3 Square One levels and I understand how @imposiblelevels used it to pass this level. I will now take it into consideration for further levels! By the way, I really liked the Square One trilogy, nice work!