You play for a Derrek. You are the worst enemy of Luana. You need to fly around on your ship all the worlds and planets. Capture and enslave them. Be wary of defensive systems, each planet is a separate world in which there are many pitfalls and danger. At any moment, you can run away to the siege ship, to replenish lives and cartridges.
3D FPS first-person shooter. Many game zones are planets.
You have more weapons.
Management is implemented as standard for this genre of games, WASD + Mouse
Capture all worlds and defeat Luana forays.