These are the contents I find when I scan disk1 sim and disk2 sim.
The gcf file names are identical on both disks but when I unpack them and combine into one folder there are some differences in the files they contain
Disk1.sim
Source Engine.gcf
Source Materials.gcf
Source Models.gcf
Source Sounds.gcf
Base Source Engine 2.gcf
Episode 1 Shared.gcf
Source 2007 Binaries.gcf
Half-Life 2 Content.gcf
Source 2007 Shared Materials.gcf
Source 2007 Shared Models.gcf
Source 2007 Shared Sounds.gcf
Episodic 2007 Shared.gcf
Half-Life 2 Episode One.gcf
Portal Content.gcf
Portal English.gcf
Episode Two Content.gcf
Episode Two Materials.gcf
Episode Two Maps.gcf
Half-Life 2 Episode Two English.gcf
Team Fortress 2 Content.gcf
Team Fortress 2 Materials.gcf
Team Fortress 2 Client Content.gcf
Disk2 Sim
Source Engine.gcf
Source Materials.gcf
Source Models.gcf
Source Sounds.gcf
Base Source Engine 2.gcf
Episode 1 Shared.gcf
Source 2007 Binaries.gcf
Half-Life 2 Content.gcf
Source 2007 Shared Materials.gcf
Source 2007 Shared Models.gcf
Source 2007 Shared Sounds.gcf
Source 2007 Shared.gcf
Half-Life 2 Episode One.gcf
Portal Content.gcf
Portal English.gcf
Episode Two Content.gcf
Episode Two Materials.gcf
Episode Two Maps.gcf
Half-Life 2 Episode Two English.gcf
Team Fortress 2 Content.gcf
Team Fortress 2 Materials.gcf
Team Fortress 2 Client Content.gcf
I thought I was supposed to unpack all in turn but that did not work so I can delete and try again, which ones should I unpack and which should I ignore, to play Half Life 2 Ep 2? I don't have 'half-life 2 game dialog' and do I use the files from disk 1 or disk 2?
Thanks