Wide games are played outside. Typically, you need lots of space for such games (grassland, forest, probably village). Often, the games can be played with a large number of players.
Some prominent wide games are listet here. For a complete list of the wide games in the Games-Wiki, take a look at Category:wide game.
Two teams oppose each other. One team tries to smuggle certain goods to a target area, while the other team tries to prevent that.
Two or more teams try to defend their own flag while trying to steal the opponent's one.
The participants have to find all stations spread over a larger region. Whistles blown from time to time (or lights) help them to find the stations.
The participants have to find from station to station. At each station they get a hint to the next station, probably only after solving a puzzle or finishing some task.