Aliens vs Predator is a first-person shooter developed by Rebellion Developments and published by Sega. In the mission Refinery for the marine, the player will have to investigate the empty mines and find the general Van Zandt. At the end, an alien queen has to be defeated.

1. In the mine, go straight and climb over the rocks. Kill the three aliens inside the mines and exit through the main door.
2. Go to the first building you see and get on the second level. Walk alongside the building and go downstairs to find a way in.
3. Take a left and pick the shotgun near the dead marine. Go to room on the right and destroy the eggs. There is a plug and the generator is just outside the room on the left. Once the power is back, exit and go to the elevator.
4. Enter the security control room, kill the facehugger and take the door on your right. Climb up the stairs to the rooftop and active the dish.
5. Exit the building and cross the bridge over the gap. Kill the many aliens using the shotgun and enter the mine. Follow the path inside to the elevator.
6. During the hacking, xenomorphs will come attack you. Retreat a little bit and shoot at them. There is an assault rifle on the left of the elevator. Protect yourself and use grenades to defeat them easily.
7. Return to the elevator when the hack is complete and enter. Exit the elevator and go left to activate the computer in the control room. Leave the room and follow the path inside the refinery. You will face three aliens in the generator room.
8. When you reach the vehicles, take the first on your right and go down the stairs. Take the flame thrower and enter the hive. Go to the first column on the left to find Van Zandt. Kill him. A group of xenomorphs will attack you. Retreat to where you entered the room and kill them one by one.
9. Then, go to the objectivce marker and enter the elevator. Take the right path and run to the exit. You will face the alien queen.
10. Start by shooting at the eggs while the furnace is loading. When it is done, go to the switch and activate it. Then, shoot at the two heated cannisters on both sides of the queen. The furnace needs to load again and you have to fight several waves of xenomorphs. Move left and right in the room and shoot at the alien when they get too close. Run to the left and to the right to avoid the attacks of the aliens. After a minute or two, the furnace will be ready. Hit the button to kill the queen.