My Half-life "Story" walkthrough include these games/mods :
Black Mesa/Xen (+ addons : Hazard Course/On a rail uncut/loop mod/Vent mod) : as ACT. ONE
HL2 Cinematic Mod + MMOD : as ACT. TWO
HL2 Episode One : Cinematic Mod + MMOD : as ACT. THREE
HL2 Episode Two : Cinematic Mod + MMOD : as ACT. FOUR
HL2 mod "fake" Episode three" : Closure (Leon SPY-MAPS) + MMOD : as ACT. FIVE
Links to all this stuff here, be sure to have LARGE space disk before because it's very big (especially for the Cinematic mod !) :
-Black Mesa MOD version (from Crowbar Collective) : https://www.moddb.com/mods/black-mesa... + https://www.moddb.com/mods/black-mesa... OR https://www.moddb.com/mods/black-mesa...
Black Mesa STEAM version (from Crowbar Collective) : https://store.steampowered.com/app/36...
Black Mesa Hazard Course (from PSR Digital devs) : https://www.moddb.com/mods/black-mesa...
Black Mesa closed captions update (from Mr_Gamecrazy) :
https://forums.blackmesasource.com/t/...
Black Mesa : On a rail Loop mod/Uncut definitive edition (from RK1 & TextFamGuy1) : https://steamcommunity.com/sharedfile...
Black Mesa : Vent Mod (from RK1) : https://steamcommunity.com/sharedfile...
HL2 Cinematic mod (including hl2, EP1 and EP2) (from FakeFactory) : http://zeibig.me/pupdown/index.php?&d...
HL 2 "fake episode three" : Closure (from Leon SPY-Maps) : https://www.moddb.com/mods/the-closure
MMOD (from Gunship_Mark_II) :
https://www.moddb.com/mods/hl2-ep2-en...
https://www.moddb.com/mods/hl2-ep2-en...
https://www.moddb.com/mods/hl2-ep2-en...
https://www.moddb.com/mods/hl2-ep2-en...
https://www.moddb.com/mods/hl2-ep2-en...
Normally, after downloading and installing all these stuff, you will have everything you need to play the exact same "story" version as I played for this loooong walkthrough :p
So, have fun and enjoy now my own version of the "story" of Gordon Freeman ! :p