File: Pile.up.box.by.box.zip ... -

There were no documents inside. No photos. Just a single executable file named Stack.exe . When he ran it, the screen went black, then a low-res window opened. It was a simple game. A crane dangled at the top of the screen, holding a cardboard box. Below it was a narrow platform.

By box fifty, he was stacking in a digital sky. Small, pixelated clouds drifted by. The higher he went, the thinner the air seemed to get—the game’s audio replaced the mechanical hum of the crane with a whistling, lonely wind. File: Pile.Up.Box.By.Box.zip ...

Elias tapped the spacebar. The first box dropped with a heavy, digital thud . He dropped a second, then a third. The physics were unnervingly realistic. The boxes wobbled; the cardboard groaned through his speakers. There were no documents inside