Blazkowicz has officially begun his ascent to the moon inWolfenstein: The New Order, where he will visit the enemy Lunar Base. Inside here, he will need to find the nuclear keycode to stop the Nazis in their tracks.

RELATED:Wolfenstein: The New Order: Chapter 10 - Berlin Catacombs Walkthrough

Chapter 13 is a long and tough one, andconsists of a lot of combat. It will be hard for you to take down most of these enemies in stealth, so in order to ensure you’re ready to go, our guide will walk you through each location.

Arrive At The Lunar Base

When your trip to the moon is complete, leave the shuttle from the back and make your way into the base. Once inside,head to the right and into the hallway in the middle.From here,go over to the right to be inspected by an enemy soldier in the X-Ray Machine.

As you make your way into the left room, there will be asmall opening in the wall on the right that is shining red.Duck down and head through here, and you’ll end up in a new room.

Image of the entrance into the next room in the lunar base in Wolfenstein: The New Order.

At the back of this room on the left, there will be ayellow suitcase you will want to open.This will begin a cutscene with Blazkowicz taking off his disguise and preparing to reach the command module on the Lunar Base.

Find A Space Suit

Just right of the yellow suitcase, there will bemetal walls towards the ground that you can cut through to get into the control room inside here.Press the yellow button on the deskto open up the doors at the back of the room on the right, andhead through here to reach the next area.

This area will be crawling with enemy soldiers, so verify totake out the commandersin here first to avoid any backup troops arriving. One will be on the upper section, and the other will be on the bottom section.

Image of the small opening in the wall acting as an entrance into the side room in Wolfenstein: THe New Order.

Once they are all taken out,head to the upper section and go through the doors labeled with a yellow sign with beds to the right.Head to the very end of the hallway, and once you reach the next section,go down the stairs on the right and through the doors in front.

Take the path on the right, and thentake a shortcut through one of the bedrooms on the left.There will be ametal wall here on the ground that you can break open with your LaserKraftWerk.

Image of the yellow suitcase you must open in Wolfenstein: The New Order.

Inside this tunnel,head straight and then turn right where you will cut through another metal wall.Make your way outside the bedroom, and thenturn left two times.At the end of this hallway, you’ll see asmall tunnel in the wall marked by a yellow diamond.Head through here.

Drop to the path below, andfollow the arrow pointing right.You’ll need to drop again one more time, and thenexit through the opening straight ahead into the next room.

Image of the yellow button you must press to open the doors in Wolfenstein: The New Order.

You’ll want to take out all the enemies inside these two rooms, and thenmove forward to the path on the right side,which will havedouble doors at the end of the hallway with green lights on top.This means you can enter through here.

Wait until the doors open again, and then exit and head into the next room. Take out the enemy soldiers stealthily on the bottom floor, and thenmake your way up the stairs.Up here, take out thetwo commanderswalking around. One will be inside a separate room, which you canenter through the open doors on the opposite side.

Image of a commander on the lunar base in Wolfenstein: The New Order.

Once he’s down, head to thevery back of this room and through the open doors on the left.Make your waythrough the red tunnel on the ground labeled by a yellow marker,shown above. Drop through the hole into the room below.

Head to the back of this area, and thenout to the hallway on the left.You’ll see a large, circular red tunnel on the right side.Jump into here, and head through until you reach the end.

Keep going straight, andhop into the opening in the wall in front of you,labeled by a yellow marker.Take the path on the right,where you will find a red space suit.

RELATED:Wolfenstein: The New Order: Chapter 9 - New Tactics Walkthrough

Exit Through The Airlock & Reach The Command Module

Just past where you grabbed your space suit will be the airlock to head outside.Press the yellow button on the right to open up the doors.Make your way outside from here.

Follow the tracks on the ground. You’ll eventually arrive at an area where you will need tojump across two platforms to get to the command module.You can use the image above as reference.

When you reach the platform, press the yellow buttonto open up the main doors in front of you. Make your way inside, andpress another yellow button which you can find to your left.This will open up the doors to let you inside the facility.

Just on the right, there will be a spot for you to place your space suit. Then,make your way through the doors on the right.Just on the table inside here, there will be arazor you’ll want to grab.

Find The Nuclear Keycode

After the cutscene, make your way into the room ahead.Go into the yellow room in the middle, and squeeze through the hole in the wall on the right.You will need to take out the large enemy robot in the room, and you can use this area as cover to prevent significant damage. When you have finished the robot off,head through the hallway on the leftwhere the robot came from.

There will be more enemies inside here, with one on a machine gun that you will want to avoid at all costs. Finish them off as quickly as you can, and thenmake your way up the staircase on the right.

Proceed to the very back of this area, and head into the pod behind you and press the yellow button.This will take you to the top of the Command Module Room.

Inside here, you will just need to finish off all the enemy soldiers whileproceeding up to the top floor.When you’ve made your way up,search for the doors that are marked by a green spaceship sign.Head down the ramp, and enter through here.

As you enter the room,take the path on the left until you reach an open room with a green bar above it.Make your way through here while taking out the two enemy soldiers on the left. Just past these soldiers will bea computer you’ll want to approach to get the Nuclear Keycode.

RELATED:Wolfenstein: The New Order: Chapter 8 - Camp Belica Walkthrough

Return To The Hangar Bay

As you are leaving,head up the stairs on the left and through the door in the ground.This will take you through the vents in the area again. The exit will be acircular hole in the wall labeled by a yellow marker.

Head up the ladder straight ahead,and take out the enemies up here. Exit bycutting through the metal walls behind the small control panelusing your LaserKraftWerk. Then,drop to the room belowand finish off the enemies in here as well.

Head inside the vents again, justto the left of the white main doors.Defeat the enemy on the left, andhead down the escalators.At the bottom, there will be a room on the right with enemy soldiers to take out. Once you’ve done so,go through the open doors on the left and press the yellow button to get the train moving.

When the train stops,jump through the hatch at the bottom.Proceed down the hallway, taking out the enemies in front of you as you go.Go up the stairs on the right, and through the doors at the back of the room on the left.

Run up the escalators and through the doorway ahead. You’ll be back in one of the rooms where you started the mission, but with more enemies. Take them out, and thenrun through the doorway on the left.

As you head into the last room, go through the doorway all the way at the back where you originally came in.Inside here will be the ship you will need to take back to earth, but you will first need to destroy the enemy robots. Then,board the ship and go to the captain’s quarters at the front to get the ship running.

NEXT:Wolfenstein: The New Order: Best Characters, Ranked