All these are available today as Gnome extensions! I have wobbly windows, transparency, desktop cube, and burning windows. Desktop Cube is by far the most use

All these are available today as Gnome extensions! I have wobbly windows, transparency, desktop cube, and burning windows. Desktop Cube is by far the most useless yet most fascinating. If you turn the cube to where your desktop is on the far side, you can see your video still playing mirrored. I'm not sure why that fascinates me so much...