Kronostasis

Kronostasis is a fast-paced action-adventure FPS set in a distant future where science fiction, Greek mythology and fantasy meet. You play as AIVO-D13, an android aboard the deep-space vessel Phlegethon, and fight through its damaged systems to find and contain the source of an outbreak before it can signal for help. The game spans multiple levels across four distinct environments, with multiple enemies, objectives and challenges, and at least one unique boss encounter in each level.

The story

In ancient times, the guild of Magus laid the foundations of civilization. Its wizards studied magic through alchemy, astronomy and astrology, and only the most devoted could master its arts and become Sortiari. Magic helped advance civilization and brought destruction to battlefields, but casting spells rapidly drained the user's life force and accelerated aging.

A Sortiari named Kronos sought immortality to escape his dwindling life force. Freed from time, he used magic to reshape the world to his will and turned creatures into monsters. After aeons of war, the wizards of Magus trapped him in a rift in time and space. Fearing history would repeat itself, they disbanded the guild and sealed away its accumulated knowledge, until its existence faded into myth.

The Phlegethon

In the not-too-distant future, hyperspace drives make faster-than-light travel possible by opening rifts into a time-altered dimension. Deep-space exploration also relies on cryopreservation, but its mental strain, combined with long isolation, leads to a rise in dementia and other mental afflictions among astronauts. AIVO units are advanced artificial-intelligence androids developed to help keep deep-space vessels safe; they are unaffected by the affliction described in the story.

Kronos remains trapped in a time sphere, adrift in hyperspace. When a drive opens a rift, the anomaly allows him to align his sphere with it. The Phlegethon is nearing planet S3-15P778, the final waypoint of a three-year mining operation, when its drive opens a rift to leave hyperspace. Kronos aligns his sphere with the rift, and the ship collides with it. The impact heavily damages the vessel's control systems, leaving only basic life support active as the crew awaken from cryostasis and try to restore backup power and control.

During the collision, Kronos boards the ship and transforms crew members into mythological creatures to serve as his minions. The remaining crew members are hunted down and killed. Damage from the impact leaves the Phlegethon's AIVO unit, AIVO-D13, inactive until a crew member brings backup systems online. Once activated, AIVO-D13 sets out through the service and maintenance quarters toward the control deck to find and contain the source before it can signal for assistance.