Cro-Mag Rally is a kart racing game developed by Pangea Software and published by Aspyr, which takes place in caveman times. It was originally released for Mac OS 9 and Mac OS X, and was later ported to iOS, Xbox 360, Android, and Windows Phone 7.^[1]

Inspired by Mario Kart,^[2][3] the game centers around two caveman racers, Brog and Grag in vehicles made out of materials associated with cavemen, as they race through stages of ancient history.^[4] The goal is to guide the caveman through different sets of tracks that include hazards, such as pits or tornado.^[5] Each course is unlocked from the start, and are made of 3 laps each with several difficulty options.^[6] During the race, the players can pick up power ups (including bombs, nitro, tire traction, and oil slicks) that can be used against the opponents.^[5][6] Every one of them will last 15 seconds.^[6] At the beginning, only a few vehicles are available. They all behave diversely,^[5] making a distinction in control, speed, suspension and traction attributes.^[6][7] However, as the progress is made, all eleven vehicles^[6] can be unlocked.

The iOS version uses the accelerometer for steering left and right, with specific touch-screen buttons for driving forwards/backwards and weapons.^[5] A variety of options can be adjusted separately, like steering sensitivity.^[6] It has two game modes: Race, with a focus on beating the others to the finish line, and Gather, which relies on picking up arrowheads on the track as fast as possible.^[5][6][8]

In the Mac version, the single player part consists of a Practice Mode, where the players can test the cars and tracks, and a Tournament Mode with nine stages divided between three periods: the Bronze Age, the Stone Age, and the Iron Age.^[9] To make a progress, the player has to finish the race in third position or higher, while collecting eight arrowheads across the level at the same time.^[9] There is a Physics Editor, which allows the player to alter elements of play such as speed, acceleration, suspension, and traction of each car, as well as gravity.^[10]

Cro-Mag Rally has multiple multiplayer variants. On the Mac version, the game allows up to six players to compete via local area network.^[9] A number of modes are available, such as Race, Tag, Survive, and Quest For Fire.^[9] Race is the usual mode with the players having a battle for the first place.^[9] There are two versions of Tag, both being each other's opposites: Keep-Away and Stampede.^[9] Keep-Away begins with one player being "it", with the goal of being the last man standing by avoiding the elimination by staying the "it" for a long time. and ends when all but one of the players has been eliminated from the game by being "it" far too long.^[9] Meanwhile, in Stampede, the winner is the one to stay as the "it" for two minutes.^[9] Survive allows the players to slam karts and fire weapons at the opponents, until only one vehicle is left.^[9] Similar to Capture The Flag, Quest For Fire splits the players into two teams, trying to seize five torches from the enemies and move them to their base.^[9] The iOS version offered a four-player online multiplayer via Game Center.^[11]

Cro-Mag Rally initially released for Mac OS 9 in October 2000 as the third in Pangea Software's line of 3D games.^[1] Following the developer's transition to focus on iOS development, a port was released for iOS in 2008, and 3 years later in 2011 a port for Windows Phone 7 was produced by Citizen 12 Studio.^[12] The same studio released Cro-Mag Rally for Xbox 360 in January 2012, and an updated "Extreme!" version was released the following month.^[13] These various ports were advertised to allow for cross-platform multiplayer via Game Center.^[11]

In 2022, game developer Iliyas Jorio released a free updated port of the game on Itch.io for Windows, Linux, and macOS with the permission of Pangea Games.^[14] In keeping with the original release order of Pangea Software's games, Cro-Mag Rally was the third game rewritten to be playable on modern operating systems, following Bugdom and Nanosaur.^[15][16]