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 16 boards and crafted 30 times, first appearing 5 months ago. Tetrad can be created from 9 recipes, and goes on to appear as an ingredient in 17 others.
Tetrad was first discovered by JOKER's board 5 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.