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 $29.72 $29.72 View... Genotype: A Mendelian Genetics Game - Upgrade Pack $25.37 $25.37 View... Cellulose: A Plant Cell Biology Game - Upgrade Pack $58.75 $58.75 View... Periodic: A Game of The Elements $58.75 $58.75 View... Subatomic: An Atom Building Game (Standard Edition) $29.72 $29.72 View... First in Flight: Upgrade Pack $13.03 $13.03 View... Ecosystem $71.09 $71.09 View... Genotype: A Mendelian Genetics Game $19.56 $19.56 View... Math Rush: Addition & Subtraction $19.56 $19.56 View... Math Rush: Fractions Decimals & Percents $32.63 $32.63 View... Ion: A Compound Building Game (Second Edition) $71.09 $71.09 View... Cellulose: A Plant Cell Biology Game $13.03 $13.03 View... Ecosystem: Coral Reef $19.56 $19.56 View... Math Rush: Multiplication & Exponents $36.25 $36.25 View... Outnumbered: Improbable Heroes $71.09 $71.09 View... First in Flight $13.03 $13.03 View... Ecosystem: Savanna