The article highlights nine video game expansions that radically departed from their base games, replacing conventional extra content with unusually imaginative stories, settings and mechanics. Their significance lies in how boldly they reinterpreted familiar worlds, creating memorable experiences rather than simply adding more missions or equipment.

– Fallout: New Vegas – Old World Blues: The Courier’s brain, heart and spine are stolen by talking scientist brains, leading to a surreal pulp-science adventure.
– Mass Effect 3: Citadel: Shepard fights a clone, stages a crew heist and hosts a celebratory dinner, offering comic relief after years of apocalyptic drama.
– Saints Row: Gat Out of Hell: Johnny Gat and Kinzie enter Hell on demon wings to prevent the Boss marrying Satan, complete with a theatrical musical number.
– Borderlands 2: Tiny Tina’s Assault on Dragon Keep: A teenager turns the looter shooter into a live Dungeons & Dragons-style campaign, transforming weapons, enemies and environments through her narration.