Genre: Military science fiction
Themes: War, oppression, survival
Campaign elevator pitch: Humanity has reached out from earth and colonised the solar system, splintering into hundreds of new colonies due to the separation enforced by interplanetary travel. With the solar system sliding towards outright war it is time for the marines to step forward, ready to risk their lives in order to defend all that they hold close.
The players would: be a detachment of marines from one of the smaller conflicts who are slowly drawn into the bigger conflict
The campaign would build towards: Freeing their colony from the eventual victors of the war / Preventing a faction from destroying the solar system.