World on Fire is a base building SLG style free to play game available on iOS and Android mobile devices.
Business Model: Free to Play
Microtransactions: Yes - Microtransactions to reduce production times, boost resource gathering, etc.
From the Ashes: You must help to rebuild civilization from the devastation of an alien destruction.
Research: Find alien tech to research, then use it against your foes.
Expand: Conquer territories and make your empire encompass the globe!