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Laboratory: Outbreak [ Left 2 Mine ]

Another map of the Laboratory Map Series
by ModdedMari
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14,948 downloads
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Updated Jul 1, 2026
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Adventure Modded World

Map created by: ModdedMarionette (Me)

Mod created by: TheCallunxz

>>>> This map is required to be played with the Left 2 Mine mod installed. <<<<

 

Guess what? This map includes mutations for you to have fun with!

All mutations of this map can be found in the files section as "Beta files."

Each mutation description can be found in the file's changelog section.

 

 

Compared to the previous Laboratory map, this one is guaranteed an improved and more interesting map. And of course, this is a much longer campaign than the previous map too.

If encountered any bugs, please report them to me ASAP. You can use the comment section below or contact me on the official Left 2 Mine Discord server. Link is provided on the Left 2 Mine mod page.

 

Controls (Can be changed in settings):

F - Toggle flashlight

R - Reload

R-Mouse - Pick up an item / Shove / Rescue teammates / Use an item (Heals, grenades)

 

This map includes:

CO-OP mode - 4 difficulties

Survival mode - Normal difficulty

 

Special thanks:

TheCallunxz - Creator of the Left 2 Mine mod

Valve - Maker of the Left 4 Dead series

 

Watch my Duo Runthrough on this map:

(Do not watch if you do not want any spoilers of this map and wish to experience it yourself)

Mutation: Endless Horde
MC 1.12.2
Beta 2020-10-22 Get
Mutation: Lights Off
MC 1.12.2
Beta 2020-10-21 Get
Mutation: Lasso
MC 1.12.2
Beta 2020-09-12 Get
Mutation: Suicide Boomers
MC 1.12.2
Beta 2020-09-12 Get
Mutation: Hunting Party
MC 1.12.2
Beta 2020-09-12 Get
Laboratory - Outbreak [Left 2 Mine] by ModdedMarionette.zip
MC 1.12.2
Release 2020-06-03 Get

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