A form of colorized Life in which there are four types of "on" cell. A newly-born cell takes the type of the majority of its three parent cells, or the remaining type if its parent cells are all of different types. In areas where there are only two types of "on" cell, QuadLife reduces to immigration (Silver).

Colorized Life, HashLife, High Life, Immigration, Life

References

Silver, S. A. "Life Lexicon." Release 17, 2000 August 24. http://www.argentum.freeserve.co.uk/lex.htm.