Half-Life used scripted sequences, such as a Vortigaunt ramming down a door, to advance major plot points.
Half-Life (stylized as HλLF-LIFE) is a first-person shooter video game developed by Valve and published by Sierra Studios for Microsoft Windows in 1998.
Download Half-Life for free on PC – this page will show you how to download and install the full version of Half-Life 1 on PC.