- Game title: Headcrab Invasion
- Category: Skill Games
- Game ID on Flash Game: 6838
- Game author: Addictinggames
- Total hits of the game: 4926 times
- Best screen resolution: 700 x 480 pixels
- Game instructions for Headcrab Invasion:
Headcrab Invasion, a free skill game, is provided by www.flash-game.net. Your goal is to control the crab to kill people as many as possible. Click when the arrow is in the green sector for better start. Click to jump from one human to another to kill them. You earn money by killing. Avoid falling off. Otherwise you lose one health point. You can upgrade your crab after each level. Wish you good luck!