Multiplayer/Co-Op & Frictional Games? NO!!!

[devis]

yay..i just want say MULTIPLAYER MOD only survivor ..no zombie...there puzzul ONLY whit 2 player or more can do it
[example]

same door in exemple i say in the up page

and there barrel

1.player 1 open door
2.player 2 place barrel
3.player 1 go help other
4.all pass the door

{end}

and there FULLY of levels..like 30
and there befor start the game...that say number of player we need
like in my first example in up page..3 players and in it reply...2 players

and weapons can be hammer[or]pickaxe and dynamit like in first..but not same engine in first...THAT SURE THAT WILL NOT WORK