in This Video: We Will Compare These Version's As The Following:
0:27 Half-Life Without HD Models
9:45 Half-Life With HD Models
18:20 Half-Life: Source (Used in Garry's Mod)
BONUS:
Black Mesa: Hazard Course https://www.youtube.com/watch?v=F46BI8WJuFk
Black Mesa: Hazard Course After Disaster (Different Version) https://www.youtube.com/watch?v=PTYHdjsoq-Q
All Copyrights To Valve.
