The Stairwell

You've been hired to keep watch in a mysterious building with an infinite stairwell. Your task is simple: investigate each floor for strange phenomena. If you find an anomaly, be careful. Test your skills on the global leaderboard and in the weekly challenge event. It's your first day as a security officer in a mysterious building designed by an unknown architect. Within its vast stairwell, you are tasked with inspecting the floors for reported strange phenomena. Make your way through the building and carefully choose which way to go based on your findings.