itch.io

4X is a genre of strategy-based games in which players control an empire and "eXplore, eXpand, eXploit, and eXterminate". Emphasis is placed upon economic and technological development, as well as a range of non-military routes to supremacy. Games can take a long time to complete since the amount of micromanagement needed to sustain an empire increases as the empire grows.

Games where you have to manage resources in order to complete objectives. 

Strategy game where players have to wait for their turn to do something allowing for more time for strategic thinking.