Gears of War/Act Three: Belly of the Beast

Find an Alternate Route
You call the rest of the squad, to find they found a way in to the basement of the facility. Anya informs you to find the Cart Control Room to use the carts to gain access to the mine.

To move out of this room, you need to activate the switch at the end of each hallway.

Find the Cart Control Room
As you progress, Baird finds a way to turn on the lights. Just your luck as you get to see a room filled with Stranded corpses strung about after being a meal for the Dark Wretches.

Inside the next room you come across an ecstatic Stranded who thinks you are his rescue team. Lucky he knows the facility well and can guide you down to the cart control room.

Continue the Single-Player Walkthrough in Imulsion Mines