Derrek Quest V Regression

You play for a resident of the planet Orel - Luana. You are the worst enemy of Derrek. 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 2 weapons, a cannon and a machine gun.

Management is implemented as standard for this genre of games, WASD + Mouse

Capture all worlds and defeat Derke's forays.