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 $14.71 $14.71 View... Genotype: A Mendelian Genetics Game - Upgrade Pack $40.07 $40.07 View... Subatomic: An Atom Building Game (Standard Edition) $23.10 $23.10 View... First in Flight: Upgrade Pack $50.10 $50.10 View... Genotype: A Mendelian Genetics Game $12.35 $12.35 View... Math Rush: Addition & Subtraction $12.35 $12.35 View... Math Rush: Fractions Decimals & Percents $19.69 $19.69 View... Cellulose: A Plant Cell Biology Game - Upgrade Pack $40.07 $40.07 View... Periodic: A Game of The Elements $50.10 $50.10 View... Cellulose: A Plant Cell Biology Game $12.35 $12.35 View... Math Rush: Multiplication & Exponents $23.10 $23.10 View... Outnumbered: Improbable Heroes $10.26 $10.26 View... Ecosystem: Coral Reef $20.28 $20.28 View... Ion: A Compound Building Game (Second Edition) $10.26 $10.26 View... Ecosystem: Savanna $50.10 $50.10 View... First in Flight