Green Man Gaming
from their About page:
Green Man Gaming is a leading global, data-driven video games E-commerce platform. Green Man Gaming specialises in delivering games and services to a core gaming audience – those who love and live their games. The ever-growing catalogue spans over 4,000 games provided in partnership with over 180 of the greatest publishing partners in the video games industry – Green Man Gaming are an official, approved retailer of these Publishers and work closely with them. Green Man Gaming believes in delivering games, whatever the platform, selling games across it’s own Capsule download service, Steam, Origin, Uplay, Xbox Live and PlayStation Network. Green Man Gaming was created by gamers, for gamers.
and here's a link for our Nancy Drew fans, with games starting at $1.74: