Aquatomic can be downloaded directly from a Russian download site called Softportal. Be sure to click on the first link in bold. You’ll see the English word “Aquatomic” in it. Thanks to one of our readers for the tip.
This is a fun site with over 100 free Mac games made by the people who bring you thriftmac. You can click a shuffle button to bring up a random game you might never have discovered otherwise. Screenshots give you an idea of what each game is like.