Luigi's Mansion Haunt-and-Seek

Notable parts

• 2 parts come in a colour no other set has for that mould: Arm, with Pin, Clip (No Hand) (Red) ×2; Arm, with Pin, Clip (No Hand) (Green) ×2.
• 16 printed parts are only in this set: Brick 2 x 2 with Face, Scared Open Mouth, Closed Eyes print (Light Nougat); Brick Curved 2 x 2 x 2/3 with Open Black Mouth, White Fangs print (Red); Brick Sloped 30° 1 x 2 x 2/3 with Half Close Bright Yellow Eyes print (Red); Brick Sloped 30° 1 x 2 x 2/3 with Yellow/Dark Green Eyes print (Green); Tile 2 x 2 with Diamond (Jewel) and Barcode Print (Sticker) (Medium Azure); and 11 more.
• 5 parts appear in only a few other sets: Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs, Two Arrows at Right… (Light Bluish Gray) — also in 71412 Big Bad Island (all Super Mario); Plate Round Corners 4 x 4 x 2/3 Circle with 2 x 2 Opening (Dark Bluish Gray) — also in 71390 Reznor Knockdown, 71388 Boss Sumo Bro Topple (all Super Mario); Tile 2 x 2 with 'START' in Two Corners and Barcode Print (Sticker) (Dark Green) — also in 71397 Luigi's Mansion Lab and Poltergust, 71399 Luigi's Mansion Entryway (all Super Mario); Plate Round Corners 8 x 8 (Medium Nougat) — also in 60307 Wildlife Rescue Camp, 40639 Bird's Nest, 60404 Burger Truck; Tile 2 x 2 with Speech Bubble with '!' and Barcode Print (Sticker) (Blue) — also in 71390 Reznor Knockdown, 71407 Cat Peach Suit and Frozen Tower, 71423 Dry Bowser Castle Battle, 71441 Adventures with Interactive LEGO Peach (all Super Mario).
• 2 parts are otherwise only found in Super Mario sets: Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs (Medium Nougat) ×9; Feet, 2 x 2 x 2/3 with 4 Studs on Top (Reddish Brown).
• 2 moulds first came out in 2022, including in this set: Arm, with Pin, Clip (No Hand) ×4; Plate Round Corners Double 4 x 6 with 2 x 2 Cutout and 2 x 6 Raised Studs ×2.

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.