I know several of you played Fallen London back in the day. Its creators released an exploration game with a similar feel: same eery setting, excellent writing, choices and mysteries. This time, no tweeting or ten minute action refreshes or micropayments. Sunless Sea is released today, but I've played it for a few days in Early Access and have been enthralled.
Looks like there's a discount if you get it today: http://store.steampowered.com/app/304650/
In the beginning, men were mortal.