Overview
Nightmare Challenges are available through Logan's Nightmare Cabin alongside Mission Replay and New Game Plus. They offer a separate place to chase high scores and revisit gameplay outside the main progression path.
Confirmed details
Use them to practice a specific combat loop or compare two loadouts under similar conditions. Treat the score as feedback, not as proof that one build is always best.
Keep claims verified
Challenge lists, score thresholds, and rewards are not stated as facts without a current in-game record.