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 $44.89 $44.89 View... Subatomic: An Atom Building Game (Standard Edition) $27.05 $27.05 View... First in Flight: Upgrade Pack $53.48 $53.48 View... Periodic: A Game of The Elements $27.05 $27.05 View... Genotype: A Mendelian Genetics Game - Upgrade Pack $23.09 $23.09 View... Cellulose: A Plant Cell Biology Game - Upgrade Pack $11.86 $11.86 View... Ecosystem $56.12 $56.12 View... Genotype: A Mendelian Genetics Game $14.50 $14.50 View... Math Rush: Addition & Subtraction $14.50 $14.50 View... Math Rush: Fractions Decimals & Percents $14.50 $14.50 View... Math Rush: Multiplication & Exponents $27.05 $27.05 View... Outnumbered: Improbable Heroes $56.12 $56.12 View... Cellulose: A Plant Cell Biology Game $11.86 $11.86 View... Ecosystem: Coral Reef $23.75 $23.75 View... Ion: A Compound Building Game (Second Edition) $56.12 $56.12 View... First in Flight $11.86 $11.86 View... Ecosystem: Savanna