Venueweave
Venueweave is a free route-planning puzzle for players who like spatial strategy and humane design. Choose routes through a fictional venue for different groups, keep corridors from overcrowding, give step-free paths to the groups that need them, and run a simulation to see your plan work. It has 12 venue puzzles and a daily incident.
An original crowd-flow strategy game about capacity, distance, step-free routes, wayfinding, and opposing movement. JavaScript is required to play; research and product details remain available in the linked source page.