You Are Puzle Piece

Controls - 

The piece you are controlling is the piece with ring around it.

Hold the MIDDLE MOUSE button and move the mouse to pan the camera around the active piece.

Scroll with the MIDDLE MOUSE button to zoom in and zoom out.

Press E while hovering over another piece to make it the next active piece.

Press SPACE to flip the active piece over.

Click and hold with the LEFT MOUSE button and move the mouse to control where the active piece will jump to. While still holding the LEFT MOUSE button, press SPACE to jump the active piece towards the target.

Click and hold with RIGHT MOUSE button and move the mouse to control how much the active piece will rotate. While still holding the RIGHT MOUSE button, press SPACE to rotate the active piece that much.

Notes - 

The pieces don't snap together yet.

Sometimes pieces will clip together, there is no current fix. You will have to close the game (alt + F4) and reopen it.