Last June, Valves trading card gameArtifactClassic peaked at 78 players.

November was a little rosier for the abandonedmultiplayergame, with a monthly peak of 1,028.

Soon after, they vanished.

A screenshot of play from Valve’s card game Artifact.

Forbes,who first reported on the phenomena, dont know.No one knows.

Somebody might actually know but writing no one knows makes it more dramatic.

The games subreddit has been doing some theorising of its own, as reported byIGN.

Cover image for YouTube video

Is Artifact being used to train AI?

Are therescammer bots increasing their playtimeto build legitimacy for other, nefarious purposes?

If youre interested in diving into Artifacts deflating history, Will Partinsbrilliant piecefor Waypoint remains the definitive chronicle.

Valves newest multiplayer offering isDeadlock, which Matt Coxwrote about here.