I have written an extensive post-mortem of our turn-based strategy game GhostControl Inc.
Check out
https://steemit.com/development/@tassilo/snakes-and-ladders-the-ups-and-downs-of-a-small-game-developer-chapter-1
for in-depth insight into the ups and downs of a small gamedev studio during the development of their first game back in 2013.
We put a lot of effort into the marketing of the game and even made it into german telly alongside launch. Find out how it performed on https://steemit.com/development/@tassilo/snakes-and-ladders-the-ups-and-downs-of-a-small-game-developer-chapter-1