18 is the only number that's twice the sum of its digits. 1+8=9, 9*2=18. Mind blown?
Pluto was discovered today in 1930. Demoted from planet. Never demoted from Nerdle though.
Guess 1 of 6
Nerdle Puzzle from February 18, 2007#
This is an archived Nerdle puzzle from Sunday, February 18, 2007. Every date has a unique puzzle determined by the date. Use our hints to improve your strategy!
Note: All puzzles use UTC timezone for consistency.