It is very easy to load the game. If ur playing campaign:
●First basically make a lobby.
Click on campaign→ play with friends→ create a lobby
●Then edit the setting and choose the list of maps
●Scroll to the last there will be an option like plug-in maps or something
click on it and then there will be tanks playground in it.
Hope u find this helpful.

what i do is a local game because we dont have any other computers with l4d2 on it (or games in general)

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esse jogo e muito lega eo adoro gosto emor

u run

And difficulty - expert, unforgettable feelings