That said, this appears to be the first time Sinking Simulator has been playable on Steam, though it's been on Gamejolt and indieDB for a while.
It's called Sinking Simulator, and it's actually the second iteration of the game – an earlier version hit Greenlight several years ago and Tyler even briefly wrote about it. I don't know who else needs to hear this, but there's a game on Steam all about destroying giant ships.