LEGO Rock Raiders was a theme that was released in 1999 and was based on space miners trapped on an alien planet. The theme was made up of eight main sets and four promotional sets as well as three minifigures sets. The Rock Raiders theme was discontinued in 2000. The theme had several elements that were reprized in the Power Miners theme ten years later.
1999 LEGO Sets
1999 was a hallmark year for The LEGO Group, it was the year LEGO produced its first Star Wars theme with Lucasfilm, beginning a trend of licensed LEGO products. This event came alongside the year that Star Wars Episode I: The Phantom Menace was released reviving the Star Wars franchise. Along with the successful Star Wars theme being introduced, LEGO released Rock Raiders, Slizer/Throwbot and Winnie the Pooh. In addition, Ice Planet 2002 and the Spyrius theme was re-released. A number of themes were discontinued in 1999 which included Cyberslam, TechPlay, UFO, Insectoids, Znap and Model Team.