Darkness in spaceship

The narrative is set in the future when the Earth has become unsuitable for human habitation and other planets cannot support life, forcing humanity to reside solely in large spaceships. The protagonist is a special agent living aboard a spacecraft named Light. One day, their ship is attacked by adversaries who first deploy monsters and then dispatch robot soldiers. The protagonist must eliminate the adversaries and safeguard their people.

Mouse - Shooting, Scroll wheel - Change weapon, WASD keys - Movement, SHIFT - Run, R - Reload, ESC - Pause