The boss says that no idea 'ever really dies' at Valve, it's more a question of "how long until we get around" to it. It's their "furthest back" unshipped project.
"Well a lot of the ideas for Prospero have sort of influenced our other games subsequently," said Newell, referring to the Prospero sci-fi project they had but never released. Half-Life instead took its spot for the studio and took us gamers by storm.
"So, you know, whether or not we actually go back and do that specific game I don't know, it actually has a lot of appeal to us, we're all sort of fond of it."
"Nothing every really dies here, it's just a question how long until we get around to doing it. We just have so many opportunities to do so many different things. I mean I even get emailed from people saying 'What about Ricochet 2?', which is kind of astonishing."
"We actually have twenty six people whose first Valve game they every bought was Ricochet on Steam, so like I said nothing ever appears to ever really die, you just haven't gotten around to doing it yet. I'd put Propsero into the camp," continued Newell.
Here comes the submarine: "And even further back than Propsero, the other game that Mike and I were talking about before we'd even had anybody other than us working on it was a submarine game." That's Mike Harrington he's talking about.
"Mike was absolutely certain there was an opportunity to create fantastic underwater visuals and gameplay, so if people want to know the even furthest back thing we have haven't gotten around to shipping yet it would have to be the unnamed submarine game." These juicy back-project revelations came from the .