Port Stacker
Load a cargo ship with colourful containers, then sail the route and unload at every port. Each bay is a stack, so whatever goes in first comes out last: plan the stowage or your crane will be digging all day.
Play nowHow to play


Controls
TapKeyboard←→↑↓ Space Z- Tap a bay to drop the hanging container.
- At each port, tap the box on top, then another bay, to dig out buried ones.
- Keys: arrows, Space, Z to undo.
About the game
Port Stacker is a calm logistics puzzle at a busy harbour. A beaver runs the big dock crane, an otter captains the cargo ship, and a train of containers waits on the quay. Every container is painted in the colour and emblem of the port it is going to, and the route map at the top shows the order the ship will visit them.
The catch is that every bay on the ship is a stack. The crane can only lift the box on top, so a container for the first port that ends up under one for the last port has to be dug out, and each dig costs a crane move. Load the last port first and the earliest ports on top, keep an eye on the red warning badges, and use undo before you sail. Twenty-four levels add more ports, wider ships, uneven bay heights and cargo already aboard.
Free to play in your browser. No download, no sign-up. Best on a computer, or a phone held sideways. Your progress is saved on this device.











