Herd Them Down is a game about herding numbers through layers and gates to earn points. Each gate has its own conditions for allow the numbers to pass through and each gate can have the conditions flipped simply by interacting with it.

If the condition fails then the number will bounce off the gate - and bounces cause the camera to fall faster so save yourself by getting them by the gate!
Load the right numbers into the elevator, ride 'em down, and get them to the finish line before the screen swallows you.

Gates can have only one state.
Only one number can be picked up at a time.
Elevators only go one way: Down.
Only some gates can be dragged.

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Controls:
Move Left / Move Right: A / D 
Interact (elevator / flip gate): S 
Pick up / put down a number: Left Click