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 $26.03 $26.03 View... Genotype: A Mendelian Genetics Game - Upgrade Pack $43.19 $43.19 View... Subatomic: An Atom Building Game (Standard Edition) $22.21 $22.21 View... Cellulose: A Plant Cell Biology Game - Upgrade Pack $43.19 $43.19 View... Periodic: A Game of The Elements $8.55 $8.55 View... Ecosystem $53.99 $53.99 View... Genotype: A Mendelian Genetics Game $26.03 $26.03 View... First in Flight: Upgrade Pack $13.95 $13.95 View... Math Rush: Addition & Subtraction $13.95 $13.95 View... Math Rush: Fractions Decimals & Percents $13.95 $13.95 View... Math Rush: Multiplication & Exponents $26.03 $26.03 View... Outnumbered: Improbable Heroes $53.99 $53.99 View... Cellulose: A Plant Cell Biology Game $11.41 $11.41 View... Ecosystem: Coral Reef $22.85 $22.85 View... Ion: A Compound Building Game (Second Edition) $11.41 $11.41 View... Ecosystem: Savanna $53.99 $53.99 View... First in Flight