Speed Freaks, released as Speed Punks in North America, is a kart racing video game for the PlayStation for up to four players (with a multi-tap).
The game involves racing around a variety of tracks while using several weapons including speed-ups, missiles and slime. The game has several single and multiplayer modes. During the game, players take control of one of nine characters and drive karts around tracks with various themes.
Source: Wikipedia, "Speed Freaks", available under the CC-BY-SA License.