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 $28.64 $28.64 View... Genotype: A Mendelian Genetics Game - Upgrade Pack $56.61 $56.61 View... Subatomic: An Atom Building Game (Standard Edition) $28.64 $28.64 View... First in Flight: Upgrade Pack $56.61 $56.61 View... Periodic: A Game of The Elements $12.55 $12.55 View... Ecosystem $68.50 $68.50 View... Genotype: A Mendelian Genetics Game $18.85 $18.85 View... Math Rush: Addition & Subtraction $18.85 $18.85 View... Math Rush: Fractions Decimals & Percents $18.85 $18.85 View... Math Rush: Multiplication & Exponents $24.44 $24.44 View... Cellulose: A Plant Cell Biology Game - Upgrade Pack $31.44 $31.44 View... Ion: A Compound Building Game (Second Edition) $68.50 $68.50 View... Cellulose: A Plant Cell Biology Game $34.93 $34.93 View... Outnumbered: Improbable Heroes $12.55 $12.55 View... Ecosystem: Coral Reef $68.50 $68.50 View... First in Flight $12.55 $12.55 View... Ecosystem: Savanna