Truth or Lies is a party game for up to eight players. Each player is asked a personal question, and with the help of a microphone and voice software, the game will give a likelihood of their answer being truth or lies. Two modes are included. In normal mode, a category of question is picked, then three rounds of questions are asked; points are given for truthful answers. Games can be short (three questions per round), medium (five questions), or long (seven questions). Categories are Kids, Teens, Adults, Couples, and Families. (Adult or Couples categories can be locked using family settings.) Hot seat has the other players ask questions to a single player, with the game analyzing their answers.
The gameplay is centered around answering personal questions, with the goal of scoring points for truthful answers. The game's voice software will provide a likelihood rating for each answer, adding an element of strategy and social interaction to the game. Players can work together or compete against each other, making it suitable for both casual and competitive gatherings.
Truth or Lies was released on November 19th, 2010, for the Wii console in the UK. The game is an action & adventure party game.