Like in Doom: aliens crossing an interdimensional portal This first-person shooter took the helm from the previous generation of 3D shooters led by titles of the likes of Quake, Heretic, Hexen or Duke Nukem 3D.
It was also the year in which Half-Life was published. Those weren't the only special things to happen that year. Rowling published Harry Potter and the Chamber of Secrets. Especially 1998, the year in which France beat Brazil in the World Cup Final, Bear Grylls became the youngest British climber to crown Mount Everest and J.K. You probably remember the end of the 90s' with nostalgia.