Simply, this is a game where you shoot the enemies coming both horizontally to the center of screen. Which makes this game a sport is... you are using the shooters by holding the keys W, A and D coming with different orientations. In this way, you can protect your center of the screen from all sides.

Do not forget to protect your center! If it gets damaged, you'll lose one of your laserbeams. But don't worry, try to repair it by shooting towards enemies.

And also, this game is bit of a 8-bit retro game. Just a little...

https://warframe199.itch.io/spacesport