Most people who purchased the Humble Indie Bundle paid in the area of $5.82, with the highest purchase coming from bitcoin currency company .

Humble Indie Bundle 3's sales were likely boosted by the sheer mass of content for early adopters and big spenders. Initially only containing five games, Steel Storm and Atom Zombie Smasher joined the lineup in the first week of August, while the games from the Second Humble Indie Bundle (Braid, Cortex Command, Machinarium, Osmos, Revenge of the Titans) became available as a package deal. Gamers could also donate to Child's Play and the Electronic Frontier Foundation as part of the two-week promotion.