Subsurface Circular feels like it's over right when it's starting to pick up steam, but it will use its 2-3 hour run time to send you on a surprisingly emotional journey through the lives and pursuits of the artificial mind that human hands believed they would never have. It's a tightly wound think-piece that will keep you guessing with its inventive writing and solid twists, and does an exceptional job of keeping you on your toes, even though you're sitting down for this ride.