You can fly directly to Sagittarius A* (the black hole at the center of our galaxy) and witness "gravitational lensing"—the way gravity bends light into a "photon ring."
Created by physicist Andrew Hamilton at the University of Colorado, this is less of a "game" and more of a rigorous scientific tool. Black Hole Simulator Free Download
SpaceEngine is arguably the most famous free-to-try universe simulator. It uses real astronomical data and procedural generation to create a 1:1 scale model of the cosmos. You can fly directly to Sagittarius A* (the
An interactive web experience that lets you "drop" items into a black hole to see the effects of spaghettification. Why use a simulator? Black Hole Simulator Free Download