Riddles, one at a time

Shape Sudoku

Shape Sudoku

Which of the six shapes fits the ? cell?

Picture · Expert Challenge link
Answer

DIAMOND

Solve the whole grid: only a diamond fits there.

Sun Gate to Moon Gate

Sun Gate to Moon Gate

Fewest days from sun to moon?

Picture · Medium Challenge link
Answer

13 DAYS

Two oases then a tower: 3 + 5 + 2 + 3 = 13.

Glass Overlay: Lines Cancel

Which card completes the grid?

Video · Expert Challenge link
Answer

B

In each row, lines on both cards cancel and the rest stay. Row 3 gives card B.

One Is Mirrored

One Is Mirrored

Which tile is a mirror image?

Picture · Easy Challenge link
Answer

E

Turn every tile upright: only E faces the wrong way.

Split 8 Litres

Fewest pours to share it 4 L and 4 L?

Video · Genius Challenge link
Answer

7 pours

8→5, 5→3, 3→8, 5→3, 8→5, 5→3, 3→8: 4 L and 4 L.

The Brass Grilles

The Brass Grilles

Read the holes row by row. Which grille shows a real word, and what is it?

Picture · Hard Challenge link
Answer

B: MAPLE

Read the holes row by row, left to right.

Challenge link