Patreon ► Subscribe for more! Our Discord Server: Used the 2002 Half-Life 2 Beta, you can download that from this website: Follow me on Twitter: 0:00 CP's reacting to damage 0:39 Getting up close to Metrocops 1:13 NPC reaction to killing / damaging their friends 2:17 Zombie throwing AI 3:08 NPC Interaction 4:27 Rollermine AI 5:36 Antlion AI 6:23 Combine reacting to grenades 7:23 Getting up close to Combine 8:08 Props vs. AI - do they see you? 8:57 Headcrab AI behaviour 10:08 Outro #HalfLife #HalfLife2 #Valve #HalfLifeAlyx