This is a stellar alternative to 'brain training' apps that are actually just data-mining operations in disguise. Alastair Chisholm knows how to bridge the gap between 'boring math' and 'cool puzzle.'
By framing the logic as a detective skill, it tricks kids into doing some pretty heavy cognitive lifting. It's not going to win a Pulitzer, but it'll keep a kid occupied in a waiting room far better than a mindless YouTube short ever could.






