Top 20 Best Alien Games of All Time

The Half Life Seroes

Gordan Freeman has been through a lot. He fought off the Xen, headcrabs, and the Combine. Each alien menace has one thing in common: they are all hostile. They leap through a portal, guns blazing and immediately begin assaulting earth. Half Life’s otherworldly forces wield very advanced technology, pushing humanity to the brink of extinction, giving every second a sense of urgency. What’s so compelling about the series various enemies is their shadowy nature and overwhelming sense of dread.