Group of four items, people, or elements.
GroupMathematicsBiologySet
Current best complexity is 7:
Tetrad can be discovered in Concepts, categorized under Group, Mathematics, Biology, Set. Group of four items, people, or elements.
It has been discovered by 17 boards and crafted 31 times, first appearing 6 months ago. Tetrad can be created from 9 recipes, and goes on to appear as an ingredient in 21 others.
Tetrad was first discovered by JOKER's board 6 months ago. The lowest-complexity recipe (7) is held by Skitsboard.
Related concepts worth exploring include Biosphere, Twin, Ecosystem, Infinity, Biome, Quadruplet, and 6 more.