Irion

Quite innovative for its time, Exerion uses a parallax effect in the animation of the scenery to simulate an effect of depth. The player has to face belligerent opponents aboard a spaceship. The game offers a good feel thanks to the inertia applied to the ship. The title is fairly restrictive when it comes to ammunition. The ship is limited to fifty rounds of ammunition at the start of the game for single shots. However, it also has a double cannon that takes longer to reload, but which allows you to recover ammunition for single shots when you hit an enemy.