Half-Life

Half-Life is the original game in the series. Being a revolutionary at the time, we follow the story of Gordon Freeman - a silent scientist at the facility called Black Mesa. Arriving late at work and hastily doing his routine he runs into the experiment field. However, the experiment goes completely wrong and opens a portal to a completely different dimension called Xen. The laboratory is destroyed as well as the facility itself, as unknown creatures like Vortigaunts are now everywhere in the f...