Click the green flag, wait for the scene to load. use the arrow keys to look around, wasd to walk, and r/f to go up and down. To activate head tracking (a bit buggy, but still fun) press t, line your head up with the cursor, and press space.
Current capabilities: Render random dots Render plant life Render butterflies (which follow a basic path) Render a square Render a horizon Render the sun along with lens flair and day/night cycles Head tracking (press {t}, then {space})