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"Chemicritter" ( () (ごう) (じゅう) Kagōjū, "Chemical Beast") is an archetype of Level 2 and 8 Gemini monsters with multiple Attributes and Types that first appeared in Invasion: Vengeance.

So far, all Level 2 "Chemicritter" monsters' combined ATK and DEF equal 2100 while the "Poly-" ones (Level 8) equal 3000. One oddity is that along with multiple Attributes and Types, each has a combination that is rare in the game, such as Aqua combined with FIRE and Beast combined with WIND.


"Chemicritter" monsters are named after a chemical substance and an animal, while "Poly-Chemicritter" monster are given names that are a combination of two creatures (eg. Hydra + Dragon). Each member of the archetype has a symbol(s) on their bodies to represent the chemical substance that they are based on, e.g. "Hydron Hawk" having the letter "H" on its chest to represent its hydrogen basis.

The Japanese name of "Chemicritters", 化合獣 Kagōjū, derives from the word 化合 "chemical compounding". The Japanese name of "Poly-Chemicritters", 進化合獣 Shinkagōjū, also contains a blend of that word and 進化 "evolution".


Monster Origin
Chemical (Symbol) Animal
Chemicritter Carbo Crab Carbon (C) Crab
Chemicritter Hydron Hawk Hydrogen (H) Hawk
Chemicritter Oxy Ox Oxygen (O) Ox
Poly-Chemicritter Dioxogre Carbon dioxide (CO2) Ox + Crab
Poly-Chemicritter Hydragon Water (H2O) Hawk + Ox
Vola-Chemicritter Methydraco Methanol (CH3OH) Hydra

Playing style

The main strategy of this Deck is to easily summon Gemini monsters and give their effects. Attribute Summoners can be used with "Creature Swap" to speed up your Deck, with "Mother Grizzly" summoning "Poly-Chemicritter Hydragon" and "Chemicritter Hydron Hawk", "Flying Kamakiri 1" summoning "Chemicritter Oxy Ox" and "Featherizer", and "UFO Turtle" summoning "Chemicritter Carbo Crab" and "Blazewing Butterfly". Adding in "Gemini Trap Hole" is a possibility due to using the effect of "Catalyst Field" to summon "Chemicritter" monsters and other Gemini monsters 2-3 times in a single turn, and a quick way to kill your opponent's monsters with "Unleash Your Power!" just before your opponent attacks one of your Gemini monsters.

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