Astronaut Run 3D

Click Play to start instantly — use keyboard, mouse, or touch controls. Check in-game instructions for moves.

Run through the universe. In the game, players need to constantly avoid various obstacles, such as meteor showers, meteorites, etc., and need to use flexible jumping and sliding skills to avoid collisions. Players can also hit passers-by to gain extra speed and points. At the same time, players also need to reach the finish line to complete the task.

As an editor who’s spent some time with this title, I’m impressed by how Astronaut Run 3D blends accessibility with genuine skill-based challenges. The obstacle variety keeps you on your toes—meteor showers demand precise timing, while sliding under low-hanging barriers feels satisfyingly fluid. What really stands out is the risk-reward element of hitting passers-by; it’s a clever mechanic that encourages bold play without feeling unfair. The HTML5 foundation ensures it runs smoothly online, with responsive controls that make every jump and dodge feel intentional. While it’s hypercasual at heart, the gradual increase in difficulty and the urge to beat your high score give it lasting appeal. For a free Astronaut Run 3D game, it delivers a polished, engaging experience that’s perfect for filling short breaks with some cosmic fun.