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Stack Builder

Drop sliding tech blocks to build the tallest stack.

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Games

Stack Builder

Tap to drop the block. Whatever hangs over is cut off.

Space or Enter drops the block.

About this game

A block slides left and right above your tower. Drop it at the right moment: the part that hangs over is cut off, so the next block is smaller.

The layers follow a real web stack, from HTML and CSS up to CI/CD and the cloud. A perfect drop keeps the block full size and grows your clean-code streak. Miss the stack completely and the game ends.