Astronauts navigate through space, confronting hostile aliens and asteroids. The game takes place in a vast, star-filled environment, where players must react quickly to incoming threats.
The core mechanic involves piloting a ship, moving through space, and engaging in combat with alien spaceships and asteroids. Players can change direction and speed to evade attacks, and they can also fire at enemy ships to destroy them. The player's ship is equipped with a limited amount of health, which decreases as they are hit by enemy fire or collide with asteroids.
The game's objective is to survive for as long as possible, navigating through the challenges of space without running out of health. The game runs in the browser, eliminating the need for downloads or registration. Players can jump in and start playing without any setup or preparation.