Game Plotline ideas:
Heaven & Hell
Part 1: Sacrifice
General premise: It's time to put an end to the suffering of the world.
Objective: Hero ("Satan"?) to take on the burden of all that suffering.
Endgame: The creation of hell, the prison of suffering.
Part 2: Suffering
General premise: It's time to put an end to the suffering of the hero.
Objective: Develop the solution to suffering itself.
Endgame: The creation of heaven, the solution to suffering.
Part 3: Insanity
General premise: Hero has gone insane from the suffering, and believes that ending suffering will end his existence.
Objective: Save the hero from his burden, to end the suffering of hell.
Endgame: The removal of the leader of hell, but not the end of hell (would necessitate the hero's obliteration?)
Part 4: War
Objective: Destroy hell, and relieve the world of it's burden.
Endgame: The destruction of hell.