let's build a universe

how to play

• to move the camera: hold click on empty space and drag
• to add an atom: right click on empty space, enter an atomic symbol, and hit enter. (if it's invalid, nothing happens)
• to slingshot an atom: hold click on an atom and drag backward
• to open the periodic table: right click an atom or use the button in the top right
  • click an atom in the periodic table to view related information