Game mechanics are the rule systems that give the game goals or meaning.
Asteroids-like spaceship movement is not a game mechanic. Shooting bullets is not a game mechanic.
The system that is the feedback loop of moving to chase/avoid asteroids while shooting them and creating more and faster obstacles and targets is a game mechanic.
Asteroids-like spaceship movement is not a game mechanic. Shooting bullets is not a game mechanic.
The system that is the feedback loop of moving to chase/avoid asteroids while shooting them and creating more and faster obstacles and targets is a game mechanic.