When was Headcrab Invasion released?

Headcrab Invasion was released on February 23, 2016.

Headcrab Invasion – Free Action Games

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Game Information

What is Headcrab Invasion?

They've arrived. They suck heads. They steal money. And they kill - mercilessly. Feast on the brains of as many humans as you can - your hunger knows no limits!

Developed byIlia Matrosov, Naram and Kevin Macleod