PLEASE READ CAN I INSTALL WITH HL SOURCE

[SuperSaiyan11]

Hello ESF i have got half-life 2 and hl1 source comes free with it and i have installed it i also have CSS counter strike source i realy want to play ESF but cant find out how so do i need to by hl1 single or can i use hl source to install it.??

 

[MC]

You need Half-Life. Anything else will not work.

 

[Grega]

YOu need the old Half Life 1.

The original. ESF is not Source compatible.