Summarise A Video Game's Story So Far Before A Sequel

The sequel is out next month and all you remember about the first game is the ending and a vague sense that someone betrayed someone else. This summarises the story so far in plain language, covers the characters and the central conflict, and flags the twist the sequel is most likely to reference, so you are not lost in the opening hour.

The sequel to {GAME_TITLE} is coming out and you cannot remember the plot of the first game beyond the broad strokes. Summarise the story so far, covering the main characters, the central conflict, and how the first game ended, in plain language and without unnecessary detail. Keep it under 200 words and flag any twist that the sequel is likely to reference directly.