ナゾのチェイサーズトップギアオーバードライブ (Nazo no Cheisāzu Toppu Gia Ōbādoraibu) is a racing game developed by Gremlin Interactive and published by Kemco for the Nintendo 64 in 1998. The game is the fourth installment in the Top Gear series and the only one to be released on the Nintendo 64. It is set in a 3D world and features a variety of cars, tracks, and game modes. The game features a Career mode, in which players progress through a series of races, earning money to upgrade their cars and unlocking new tracks. Players can also compete in Grand Prix, Time Trial, and Versus modes. The game features an array of cars from various manufacturers, including Ferrari, Porsche, and Lamborghini. The game also features a selection of tracks, from city streets to mountainous terrain. The game also features a split-screen mode for up to four players. Top Gear Overdrive is a fast-paced racing game that offers a variety of cars and tracks to choose from, as well as a range of game modes. The game is a great choice for those looking for an exciting racing experience on the Nintendo 64.