Tinrail: Train Networks

Draw a railway with one finger and watch tiny trains bring a miniature countryside to life. Tinrail is a calm transit puzzle. Villages sprout across a small landscape, and each one fills up with parcels and passengers bound for somewhere else. Drag from a village to lay rail, tap to send out a locomotive, and the trains do the rest: they pick up, deliver and find their own way around your network. THE PUZZLE IS THE NETWORK Each stretch of track holds one train at a time, so a line that works with one engine can jam with three. Add junctions to give trains another way round, loops to keep traffic flowing, bridges to cross the river and tunnels to cut through the hills. Demolishing track gives most of it back, so redesigning is always an option. The countryside keeps growing. New land opens up, new villages appear, and yesterday's tidy line becomes today's bottleneck. Keep every village…