Arkham Asylum

What there is most of

• Brick 1 x 1 · Reddish Brown×34
• Brick 1 x 2 · Black×33
• Cone 1 x 1 [No Top Groove] · Dark Bluish Gray×21
• Brick 1 x 4 · Black×20
• Plate Round 1 x 1 with Solid Stud · Light Bluish Gray×20
• Brick 1 x 1 · Black×18
• Fence Spindled 1 x 4 x 2 [2 Top Studs] · Black×17
• Plate 1 x 4 · Dark Bluish Gray×14
• Brick 2 x 2 · Dark Bluish Gray×13
• Brick 1 x 6 · Black×12
• Brick Arch 1 x 4 · Dark Bluish Gray×12
• Tile 1 x 2 with Groove · Black×12
• Tile 1 x 8 with Groove · Black×12
• Window 1 x 2 x 2 2/3 with Rounded Top · Reddish Brown×12
• Bar 1L with Clip · Black×11
• Brick 1 x 4 · Reddish Brown×11
• Plate 1 x 2 · Dark Bluish Gray×11
• Tile Special 1 x 1 with Clip and Straight Tips · Black×11
• Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] · Black×10
• Plate Special 1 x 2 with 1 Stud without Groove (Jumper) · Dark Bluish Gray×10

The twenty most numerous parts, longest bar first. Start a checklist to see all 225 part types and tick them off as you find them.