The game's central story campaign has 18 main chapters, of which the first five are available in here offered Half-Life: Day One free demo.
It’s a unique narrative approach, compelling level design, advanced graphics, numerous technical innovations, interesting story, and tactical gameplay ensured worldwide success, quickly becoming not only one of the most critically and commercially successful games of all time but also providing an incredible amount of inspiration to many future games who had to raise their presentation levels to compete with such successful release. Half Life is a landmark first-person shooter gamedeveloped for Windows OS in 1998 that managed to redefine the way videogames incorporated storytelling and worldbuilding.
