20 years of the original Xbox: Here are the best-selling games

The original Xbox, Microsoft's answer to Sony' PlayStation 2 and its first attempt at a dedicated video game console, was not particularly successful in terms of sheer sales at just 24 million units sold, compared to the PS2's 155 million. That said, it did play its part in revolutionising modern gaming and paved the way for many beloved game franchises like Halo and Fable.The console is celebrating its 20th anniversary this month. Here's a look at the best-selling games on the franchise.(Source: Statista via VGChartz)

Halo 2, released in 2004, is the best selling-game in the original Xbox's game library, with 8 million copies sold. Credit: GameFAQs

Halo: Combat Evolved, which gave birth to one of the most iconic modern-day shooters, sold far less than its sequel, Halo 2, but still moved a respectable 5 million units. Credit: GameFAQs

Tom Clancy's Splinter Cell was hailed for its use of lighting and how it evolved on Metal Gear Solid's third-person stealth-action gameplay, and went on to sell 3.02 million copies. Credit: GameFAQs

Fable is beloved by critics and gamers alike, even among modern action RPGs — though it was not without its drawbacks. It sold 3 million copies. Credit: GameFAQs

Depending on who you ask, some people may consider Morrowind or it successor, Oblivion, the greatest Elder Scrolls game ever, but everyone agrees that Morrowind is one of the greatest games in the series regardless. It sold 2.86 million copies. Credit: GameFAQs

The GTA 3 and GTA Vice City double pack - containing two of the open-world game franchise's best entries, sold 2.49 million copies, making it one of the original Xbox's best-selling two-packs. Credit: GameFAQs

Many gamers believe that Need for Speed peaked with Underground 2, and its successor, Most Wanted. It's easy to say why - the game had endless customisation that let players truly 'own' their cars as they ripped through the streets. It went on to sell 2.28 million copies. Credit: GameFAQs

Though many people disagree on where Star Wars has gone in recent years, there is no disagreement in the fact that 'KOTOR' is one of the greatest Star Wars games ever, particularly for its story and characters. It sold 2.19 million units. Credit: GameFAQs