Use the arrows to move. Up to decrease the gravity down to increase it. Or use the slider. A and D to tilt. W and S to fly up and down. LOL -> try +5 or -5 gravity. :P
Credit to @griffpatch_tutor for the original. Why is this popular(ish)? I only spent a day or two on this. BTW: Since your here what about playing a space shooter game I made (I've spent over 2 months on it) https://scratch.mit.edu/projects/195508672/ (Hmm, do I really set myself that low? Oh well, why not endorse it?) https://scratch.mit.edu/projects/195508672/ <==== Ooh, a game