Most sports management games from the early 2010s, including the Childish Things series, use a combination of local registry keys and hidden system files to track the "days remaining" or "matches played." When the trial expires, simply reinstalling the game usually doesn't work because these "breadcrumbs" remain behind. The Technical Deep Dive: How to Reset 1. The Registry Scrub
Choose "Turn on DEP for all programs and services except those I select." and browse to the game's executable (usually located in International Cricket Captain 2013 Trial Reset