The 90s saw a new genre take over the whole industry - and it was a genre with attitude. Welcome to http://Watchmojo.com/ and today we’re kicking off our series of the best First Person Shooters of all time by counting down our picks for the Top 10 FPS Games of the 90s.

These are the games that were so good, people just had to imitate, copy or just plain rip off their formula to make games of their own. Often brilliant, always influencial, these games had gameplay, story elements or mechanics that everyone else wanted to ape. Join us as we take a look at the games that got copied the hardest – you know what they say: imitation is the best form of flattery!