OCA
OCA is an acronym for "other cellular automata". This includes Life-like CAs, isotropic CAs, anisotropic non-totalistic CAs, rules with more than two states, rules that operate on non-square grids or with neighborhoods other than the Moore neighbourhood, and every other type of cellular automaton that is not Conway's Game of Life.
Notable non-Life rules, when they are catalogued on the LifeWiki, have article names prefixed by "OCA:" -- e.g., OCA:HighLife. When these rules support notable patterns that have their own pattern pages, these are stored as subpages of the rule page -- e.g., OCA:HighLife/Bomber.
See also
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