Well, if 'game sid' is some sort of indie or less - known game, we would need more details like the genre of the game. Is it an adventure game? If so, the story might involve a hero's journey, exploring new lands, and facing challenges. But again, without knowing more about this 'game sid', it's just speculation.
Sid and Nancy is indeed rooted in truth. It portrays the real-life relationship and events involving them, though with a touch of artistic interpretation to make it more engaging for the audience.