Left 4 Dead Walkthrough No Mercy- 3: The Sewer

September 12, 2016 (Last Updated: ) | Reading Time: 2 minutes

This Left 4 Dead walkthrough is divided into 17 total pages.

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No Mercy- 3: The Sewer

Left 4 Dead Walkthrough - Left 4-Dead 162
Left 4 Dead Walkthrough - Left 4-Dead 162

Go down the alley and through the door.

Left 4 Dead Walkthrough - Left 4-Dead 163
Left 4 Dead Walkthrough - Left 4-Dead 163

Head back outside.

Left 4 Dead Walkthrough - Left 4-Dead 164
Left 4 Dead Walkthrough - Left 4-Dead 164

Walk to the left of that cargo thing.

Left 4 Dead Walkthrough - Left 4-Dead 165
Left 4 Dead Walkthrough - Left 4-Dead 165

Jump up the ledge.

Left 4 Dead Walkthrough - Left 4-Dead 166
Left 4 Dead Walkthrough - Left 4-Dead 166

Turn right and walk ahead.

Left 4 Dead Walkthrough - Left 4-Dead 167
Left 4 Dead Walkthrough - Left 4-Dead 167

The tank will come to get you. Back all the way to to wall behind you and let the tank hit you through the wall.

Left 4 Dead Walkthrough - Left 4-Dead 168
Left 4 Dead Walkthrough - Left 4-Dead 168

You're in!

Left 4 Dead Walkthrough - Left 4-Dead 169
Left 4 Dead Walkthrough - Left 4-Dead 169

Go to your right and open the door.

Left 4 Dead Walkthrough - Left 4-Dead 170
Left 4 Dead Walkthrough - Left 4-Dead 170

Go to the end of the room and to your left of the back wall will be another door.

Left 4 Dead Walkthrough - Left 4-Dead 171
Left 4 Dead Walkthrough - Left 4-Dead 171

Take another right to enter another room.

Left 4 Dead Walkthrough - Left 4-Dead 172
Left 4 Dead Walkthrough - Left 4-Dead 172

Go down the hall and then down the stairs.

Left 4 Dead Walkthrough - Left 4-Dead 173
Left 4 Dead Walkthrough - Left 4-Dead 173

Then go down this walkway in between the tanks and there'll be a sewer grate. Slide it open.

Left 4 Dead Walkthrough - Left 4-Dead 174
Left 4 Dead Walkthrough - Left 4-Dead 174

Just go down the tunnel then take a right.

Left 4 Dead Walkthrough - Left 4-Dead 175
Left 4 Dead Walkthrough - Left 4-Dead 175

And a left...

Left 4 Dead Walkthrough - Left 4-Dead 176
Left 4 Dead Walkthrough - Left 4-Dead 176

Now go enter the room and on the left will be a vent where you'll have to croch to get into.

Left 4 Dead Walkthrough - Left 4-Dead 177
Left 4 Dead Walkthrough - Left 4-Dead 177

Just follow the tunnel. No turns or anything.

Left 4 Dead Walkthrough - Left 4-Dead 178
Left 4 Dead Walkthrough - Left 4-Dead 178

When you reach the next, head right.

Left 4 Dead Walkthrough - Left 4-Dead 179
Left 4 Dead Walkthrough - Left 4-Dead 179

Now climb the ladder to get to the surface.

Left 4 Dead Walkthrough - Left 4-Dead 180
Left 4 Dead Walkthrough - Left 4-Dead 180

Then head to the hospital.

Left 4 Dead Walkthrough - Left 4-Dead 181
Left 4 Dead Walkthrough - Left 4-Dead 181

And the safe room will be behind the desk.

More Left 4 Dead Walkthroughs

This Left 4 Dead walkthrough is divided into 17 total pages.

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