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 $53.09 $53.09 View... Subatomic: An Atom Building Game (Standard Edition) $53.09 $53.09 View... Periodic: A Game of The Elements $28.42 $28.42 View... Ion: A Compound Building Game (Second Edition) $64.27 $64.27 View... Genotype: A Mendelian Genetics Game $17.38 $17.38 View... Math Rush: Addition & Subtraction $17.38 $17.38 View... Math Rush: Fractions Decimals & Percents $17.38 $17.38 View... Math Rush: Multiplication & Exponents $31.90 $31.90 View... Outnumbered: Improbable Heroes $11.58 $11.58 View... Ecosystem: Coral Reef $11.58 $11.58 View... Ecosystem $64.27 $64.27 View... Cellulose: A Plant Cell Biology Game $11.58 $11.58 View... Ecosystem: Savanna $64.27 $64.27 View... First in Flight