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 $26.62 $26.62 View... Genotype: A Mendelian Genetics Game - Upgrade Pack $22.72 $22.72 View... Cellulose: A Plant Cell Biology Game - Upgrade Pack $44.17 $44.17 View... Periodic: A Game of The Elements $44.17 $44.17 View... Subatomic: An Atom Building Game (Standard Edition) $26.62 $26.62 View... First in Flight: Upgrade Pack $11.67 $11.67 View... Ecosystem $55.22 $55.22 View... Genotype: A Mendelian Genetics Game $14.27 $14.27 View... Math Rush: Addition & Subtraction $14.27 $14.27 View... Math Rush: Fractions Decimals & Percents $14.27 $14.27 View... Math Rush: Multiplication & Exponents $26.62 $26.62 View... Outnumbered: Improbable Heroes $55.22 $55.22 View... Cellulose: A Plant Cell Biology Game $23.37 $23.37 View... Ion: A Compound Building Game (Second Edition) $55.22 $55.22 View... First in Flight $11.67 $11.67 View... Ecosystem: Coral Reef $11.67 $11.67 View... Ecosystem: Savanna