In response to Tyler McVicker's latest video on the same, the company says "he has no inside information about what goes on at Valve."
It's been claimed that in a bid to bolster the Steam Deck, Valve is currently working on a co-op FPS/RTS hybrid based on Half-Life called Citadel.
Setting the trend.
A new interactive book from Geoff Keighley spills all the details.
Valve sets up some exciting things for the future with the newest game in the series.