Bad Egg is a children's playground ball game played in Great Britain and other countries. One player is chosen as the 'bad egg' and turns their back to the other players. 'Bad Egg' then asks the others to each name something from a particular group (for example, each player is to name a colour, or a football team etc). Once each player has answered, the 'Bad Egg' throws a tennis ball over their shoulder, and at the same time shouts out one of the answers that previously had been given by the other players. The person whose answer was given by 'Bad Egg' then has to run after the ball, and shouts 'stop' when they retrieve it.

All players, including that who went after the ball, remain stationary. All players, except that with the ball, stand with their legs apart. The player with the ball then attempts to roll it under the legs of one of the other players. If successful, that player becomes 'Bad Egg'. In unsuccessful, the player who retrieved the ball becomes 'Bad Egg'.

British Bulldogs is a tag-based game somewhat similar to Red Rover, played mainly in Britain, Australia, and other Commonwealth countries by children at school. The play area is usually a large hall or large area of a playing field. There are no limits to the size of the pitch nor the number of players as long as there is enough space for the players to manoeuvre and enough players to have fun. One or two players are selected as the Bulldogs, and they stand in the middle of the play area. All remaining players stand at one end of the area.

As is usual with children's games, the particular rules applied vary from location to location, but generally the most recent loser is able to call out the name of one of the people not yet tackled to make the rush on their own. If that person succeeds in reaching the opposite line then a bullrush occurs whereby all the remaining non-losers rush together. The game is initiated with a single person selected in some manner to be the first person to stay in the middle. This person of course usually selects the weakest person on the line to make the first rush in the hope that they will lose and thereby join the middle.

The purpose is to get from one end of the pitch to the other (home) whilst avoiding the bulldogs in the middle. The game is initiated by the bulldogs calling "British Bulldogs 1, 2, 3" (although this may vary from school to school). As the non-bulldog players run from one end of the pitch to the other, the bulldogs must catch as many of them as possible. Once caught the runner then becomes a bulldog and attempts to catch the runners. Once at the home end of the pitch a player is safe. The game then starts another round, home shifts to the opposite end of the pitch and on the call of "British Bulldogs 1, 2, 3" the round begins. The first two caught or last two caught in each game become the Bulldogs for the next one. The method by which a runner is caught varies according to local custom, but can involve physically tackling the runner to the ground, or lifting the runner off the ground; in more supervised games the runners are simply tagged, as obviously unsupervised games can become extremely violent. The physicality of the game caused it to gain some notoriety and to be banned in a number of school playgrounds.

The game is known as blind man's buff in the UK and Ireland, buff meaning a small push. It is likely that the American name is a corruption, someone mishearing or reading buff as bluff or thinking it a mistake. Blind man's bluff can be played in an area free of dangerous obstructions so that the It player will not suffer injury from tripping over or hitting something. The game was played at least as far back as the Tudor period, as there are references to it being played by Henry VIII's courtiers. It was also a popular parlor game in the Victorian era. Blind man's bluff or Blind man's buff is a children's game played in a spacious enclosed area, such as a large room, in which one player, designated as It, is either blindfolded or closes his or her eyes. The It player gropes around blindly and attempts to touch the other players without being able to see them, while the other players scatter and try to avoid and hide from the It player, sometimes teasing him/her to make him/her change direction. The game is a variant of tag.