NiGHTS into Dreams... (Xbox 360)

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Christmas NiGHTS

Complete all eight Dreams with a "C" or better rank.

Everything

At the title screen, press Left, Right, X, B, A, Y, RB, RT, Down, Up, LB, and LT in that order. If done correctly, you'll get a confirmation that everything in the game has been unlocked, though save data, achievements, and posting to leaderboards will be disabled until you restart the game from the Xbox Dashboard.

Nightopian Collection

Complete Christmas NiGHTS with Elliot and Claris to unlock the "Nightopian Collection" at the main menu. This option displays the Nightopians, Mepians, Nightopian and Mepian eggs in each level; and the mood of the Nightopians and Mepians in that level.

Various Achievements

Complete the following achievements to unlock Xbox Live Gamerscore points.

AchievementHow to unlock
DREAMY !!! (30 points)Got best rating "DREAMY" in Acrobat Time.
Hello Mepian (40 points)Witnessed the hatching of Mepian.
Merry Christmas! (10 points)Spring Valley (Christmas) cleared.
Mystic Garage (10 points)Guided the lost car to the garage.
Paraloop Master (100 points)Successfully Paralooped all of Gillwing’s tail in one hit.
into dreams... (50 points)Cleared all stages with All A Rank.
the AFFECTION (10 points)Splash Garden cleared.
the CONFUSION (30 points)Soft Museum cleared.
the CONSCIOUSNESS (20 points)Frozen Bell cleared.
the GROWTH (40 points)Twin Seeds cleared.
the IDEAL (10 points)Spring Valley cleared.
the POSSIBILITY (20 points)Mystic Forest cleared.
the REVIVAL (30 points)Stick Canyon cleared.