His brother, Sam, sat beside him, rolling a wired mouse across a stained mousepad. “You sure this works?” Sam asked. “We tried last Christmas and the NPCs just T-posed on the bridge.”

“We crashed,” Sam said, deflating.

Outside, the storm passed. The internet would be back by morning, with its updates and its DRM and its social features that felt like social obligations.

Leo smiled and grabbed the next rocket. “That’s the point,” he said. “The mod doesn’t need Steam. It just needs a second player who’s in the same room.”

Tonight, the power grid was unstable. A winter storm had rolled through the valley, knocking out the municipal fiber line. The modern world went silent. Discord went dark. Reddit became a spinning wheel of death.

A click. A whir from the old hard drive.

And then, Gordon Freeman’s face appeared on the train into City 17.

“That was the ‘NoSteam_Rev69’ build,” Leo said, tapping the folder. “This is the final final build. Someone named ‘Uplink_Phreak’ patched it in 2022. It bypasses the lobby server entirely. Direct IP. Like cavemen.”

[SYSTEM] Notice: Steam API stub loaded. No telemetry. No friends. No cloud. You are truly alone together.