If you are a big fan of Half Life and Counter Strike Games, here on VitalityGames.com we present you a new flash game challenge called Half Life game! Start the Half Life games and play in single player or go online to play with other on the multiplayer sessions. The game it's made with unity 4 beta so they are still improving and testing. Create a game and play online with your friends the fun and addicting Half Life game. Use guns and other gadgets to shoot and defeat the other player. Get the best score and have many kills to be the best player on the map. Improve your shooting skills and become the best shooter online here on vitalitygames. And have fun with some of the best and coolest 3D unity games. Good luck and have fun with this new multiplayer action shooting games!