The End of Ryōmaden
The age at which Sakamoto Ryoma was assassinated.
Impossible Sudoku
Printable sudoko with a dash of evil…
Longest Red/Shortest Orange
The length of the longest orange and the shortest red (in nanometers).
A Really Old Dude
How old was Metushélach supposed to be at death?
The US _is_ #1
If the US is #1 and India is #91, what is Japan?
Icosa-who-dron?
How many vertices does an icosahedron have?
Carey Okie?
The Japanese word “Karaoke” : which letters are mis-pronounced by English speakers?
How Many Day War?
The X Day War was in what year?
Another Thief
Lupan the what?
How Cold Does it Get?
How cold does it get? (minus how many degrees C, 3 significant figures)?
Who was Nathuram Godse?
The year of Nathuram Godse’s infamy.
About Impossible Sudoku
The puzzles presented here are impossible to solve as-is. The descriptive text, colored squares and title of puzzle will provide sufficient information to make the impossible possible.
Impossible Sudoku 