Proper noun
An American board game simulating progress through life, with job, marriage, etc.
A cellular automaton devised by mathematician John Horton Conway, consisting of a grid of cells that are either "alive" or "dead" and grow or diminish based on the number of adjacent living cells.
Source: en.wiktionary.orgIn 1860, according to the New England Historical Society, Bradley created a game board called The Checkered Game of Life. Source: Internet