Genius Games Sort By Default Title - A to Z Title - Z to A Price - lowest first Price - highest first Time Added - latest first Popularity - most popular first Sales - best selling first $56.38 $56.38 View... Subatomic: An Atom Building Game (Standard Edition) $28.52 $28.52 View... First in Flight: Upgrade Pack $56.38 $56.38 View... Periodic: A Game of The Elements $28.52 $28.52 View... Genotype: A Mendelian Genetics Game - Upgrade Pack $24.34 $24.34 View... Cellulose: A Plant Cell Biology Game - Upgrade Pack $12.50 $12.50 View... Ecosystem $31.31 $31.31 View... Ion: A Compound Building Game (Second Edition) $68.22 $68.22 View... Genotype: A Mendelian Genetics Game $18.77 $18.77 View... Math Rush: Addition & Subtraction $18.77 $18.77 View... Math Rush: Fractions Decimals & Percents $18.77 $18.77 View... Math Rush: Multiplication & Exponents $34.79 $34.79 View... Outnumbered: Improbable Heroes $68.22 $68.22 View... Cellulose: A Plant Cell Biology Game $12.50 $12.50 View... Ecosystem: Savanna $12.50 $12.50 View... Ecosystem: Coral Reef $68.22 $68.22 View... First in Flight