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Introduction to 1 Square

Wait for the loading screen to finish. Press enter or tap anywhere on the screen to start. You will see two play modes. One mode keeps the original visuals. The other hides flood details while leaving the gameplay unchanged.

Use the arrow keys to move the number block across the grid. Each press shifts it one space in that direction. You tap a block on the exact count shown by its value. That action fills the block and lets you move forward.

You fill every block by tapping at the right count. That action ends the level. The game moves on to the next stage without a pause.