Crazy Taxi is a racing video game developed and published by Sega. It is the first game in the Crazy Taxi series. The game was first released in arcades in 1999 and then was ported to the Dreamcast in 2000. Gameplay is based on picking up taxi customers and driving to their destination as quickly as possible. Reception to Crazy Taxi has been mostly positive. It was ported to other platforms numerous times, including the PlayStation 2 and GameCube by Acclaim in 2001, and then Windows in 2002.

Sega AM Research & Development No. 3, known as Hitmaker Co., Ltd. from 2000 to 2004, is a defunct division of Sega, a Japanese video game company. Established by 1993, AM3 was managed by Hisao Oguchi and developed a number of arcade games for Sega. Series introduced by AM3 include Virtual On, Sega Rally, Crazy Taxi, and Virtua Tennis. AM3's main focus was on arcade games until the release of the Dreamcast. Additionally, developers Tetsuya Mizuguchi and Kenji Sasaki developed Sega Rally Championship with AM3 before departing to form AM Annex, which later split into Sega AM9 and Sega AM5.