Tomb Raider is a 1996 action-adventure video game developed by Core Design and published by Eidos Interactive as the debut entry in the Tomb Raider media franchise. It was first released on the Sega Saturn, followed shortly by versions for MS-DOS and the PlayStation. Later releases came for Mac OS (1999), Pocket PC (2002), N-Gage (2003), iOS (2013) and Android (2015). The game follows archaeologist-adventurer Lara Croft, who is hired by businesswoman Jacqueline Natla to find an artefact called the Scion of Atlantis. Gameplay features Lara navigating levels split into multiple areas and room complexes while fighting enemies and solving puzzles to progress. An expansion pack subtitled Unfinished Business was released in 1997, containing new standalone levels.