While GitHub is generally safer than sketchy third-party flash gaming sites, you must still practice basic digital hygiene. Staying Safe Online

When Temple Run switched to a free-to-play model with in-app purchases, daily downloads skyrocketed from hundreds to over 50,000. By December 2011, just four months after launch, the game had topped the App Store's free app charts with 50 million daily downloads and 7 million daily active users.