Sv_cheats 1 does work hints and tips for Left 4 Dead 2

Sv_cheats 1 does work

Enable developers console from options keyboard/Mouse

then enter bind p toggleconsole.

then still at the main menu,enter map c1m1-4 or c2m1-4 or whatever it says but in map c1 or 2 or 3 or 4 5,6.

Then lastly while still in the game enter sv_cheats 1 enter.Then enter any of the desired cheats written up at Super Cheats my personal favorite is z_tank_health 999999999999999 Its freakin INTENSE.

If you need more help, we've got more Left 4 Dead 2 cheats and also check out all of the answers for this game