The Shunting Yard
A night yard, a handful of wagons, and a winch with only so many pulls left in it. Nothing stops halfway, so the order you park in is the whole problem.
PlayA shunted wagon slides until something stops it — a wall, or another wagon. Never halfway.
it runs to the wall unless a wagon is in the way You have a limited number of shunts. One slide is one shunt, however far it travels.
The goal
PlayPark every wagon on its letter, before the shunts run out.