A variation of the game 42 played with two sets of dominoes.

Each variation plays as it did in the original game, but with control mechanics adjusted for parity with the other three characters.

There are many different variations of pub golf played, and some games add hazards to the course.

"I have argued that variations of a discontinuous nature may play a prepondering part in the constitution of a new species."

Another variation plays 22 rounds starting from 3 to 13 and then back down from 13 to 3.

He once conceded in an interview that he, like most serious novelists, had "one or two ideas and many variations to play on them."

Individual variation among group members plays a key role in the dynamic of how willing people will be to conform.

Each variation plays a role in determining flavor.

These variations, or sub-groups, within blood types play relatively insignificant roles.

Peace - A simple variation played the opposite of War.