The almost impossible chessboard puzzle
26:40
Is pool actually just mathematics?
16:41
The Minecraft boat-drop mystery
53:12
The "Empty Grid" Sudoku
18:42
El rompecabezas imposible del tablero de ajedrez
28:37
How does Dobble (Spot It) work?
20:08
Complex Fibonacci Numbers?
29:42
Why 4d geometry makes me sad
30:15