Some common variations are listed below, and any number of them can be used simultaneously.

A common variation of the fourth line is "Then your face will surely show it."

A common, more challenging variation is to begin with four, five or six seeds in each house, rather than three.

With about 100,000 human genes and six billion people on earth, the number of common variations could be enormous.

This is the most common variation of the cartridge used today.

There are three common variations of the Baron convention used in the game.

There is however no standard form of jazz blues, and several common variations.

One other common variation is the maintenance of a side pot.

An unofficial but common variation has all players at one end of the table.

A common variation in play is to have each of the neutral regions worth two troops a turn.