Tekken Tag Tournament is a fighting game developed and published by Namco in 1999 for the arcade and later ported to the PlayStation 2. It is part of the Tekken series of games and was the first game in the series to feature tag team gameplay.

The game features a roster of characters from previous Tekken games, including Tekken 3, as well as new characters introduced specifically for Tekken Tag Tournament. The gameplay revolves around two-on-two tag team battles, where players can switch between their characters at any time during the fight.

Tekken Tag Tournament also features various game modes, including Arcade Mode, Time Attack, Survival Mode, and Practice Mode. The game's graphics were highly praised at the time of its release, and it was noted for its smooth gameplay and depth of strategy.

The game was followed by Tekken Tag Tournament 2 in 2011, which expanded on the tag team gameplay and introduced new features, such as the ability to perform Tag Throws and Tag Assaults.