There are 14 points where the game can end. The game ends if: * Casey doesn’t respond to Ari when she asks him to transmit a “Yes” — Ari tells Zack to shut Casey down. * Casey doesn’t shoot the upper right-hand switch on the abandoned freighter — An explosive trap goes off, destroying the probe. * The Diagnostics are not run after the Artemis crashes onto the alien ship — The Artemis’s power systems fail completely. * The Power Circuit puzzle isn’t completed within the time limit — The Artemis’s power systems fail completely. * Casey doesn’t kill the live alien in the Crew’s Quarters — The alien kicks the probe, destroying it. * Casey responds “Yes” when Ari asks him if he saw any navigational controls in the Crew’s Quarters — Zack modifies his laser gun to self-destruct to destroy the door to the Crew’s Quarters, and the explosion destroys the door and everything, and everyone nearby. * Ari or Zack get shot while battling the krin after completion of the Sundial puzzle — One character dying results in the other characters dying as well. * Ari, Zack and Casey don’t shoot the last krin within the time limit after completion of the Sundial puzzle — Zack, Ari and Casey are all killed by the remaining krin. * The shutters are not activated after Zack shoots the window — Ari and Zack are sucked into outer space. * The Diagnostics are not run after Casey is damaged — The probe fails completely. * The Probe Logic Circuit puzzle isn’t completed within the time limit — The probe fails completely. * Casey doesn’t lift Zack back up to the top of the huge shaft — Zack and Casey fall to the bottom of the shaft. * Casey sends the wrong command to the surgical instruments in the Sick Bay — One of the instruments turns around and destroys the probe. * The electric field isn’t shut off before it reaches the sensor — The field closes in and destroys Ari. If the game ends, the Main Menu automatically appears. If the game ends after the Artemis has crashed onto the alien space ship, a clip of the alien ship reaching the Sun and the Artemis burning and exploding is shown and the Main Menu appears."