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 $44.00 $44.00 View... Subatomic: An Atom Building Game (Standard Edition) $22.63 $22.63 View... Cellulose: A Plant Cell Biology Game - Upgrade Pack $44.00 $44.00 View... Periodic: A Game of The Elements $26.52 $26.52 View... Genotype: A Mendelian Genetics Game - Upgrade Pack $26.52 $26.52 View... First in Flight: Upgrade Pack $11.62 $11.62 View... Ecosystem $55.01 $55.01 View... Genotype: A Mendelian Genetics Game $14.21 $14.21 View... Math Rush: Addition & Subtraction $14.21 $14.21 View... Math Rush: Fractions Decimals & Percents $14.21 $14.21 View... Math Rush: Multiplication & Exponents $26.52 $26.52 View... Outnumbered: Improbable Heroes $55.01 $55.01 View... Cellulose: A Plant Cell Biology Game $11.62 $11.62 View... Ecosystem: Coral Reef $23.28 $23.28 View... Ion: A Compound Building Game (Second Edition) $55.01 $55.01 View... First in Flight $11.62 $11.62 View... Ecosystem: Savanna