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