If you’ve ever wanted to smash galaxies together, ignite a star with your mouse, or see what happens when you replace the Sun with a black hole (spoiler: it’s cold), then you already know Universe Sandbox is the ultimate cosmic sandbox.
The universe is vast, violent, and beautiful. And for $29.99, it fits on your hard drive. Universe Sandbox 20.6.1
9/10 – Still the best physics sandbox for armchair astronomers. If you’ve ever wanted to smash galaxies together,