ABC-tjes
ABCtjes are puzzles about a mapping between numbers and letters that the puzzler has to find out. Solution aids are words and the sum of the numbers that match the letters of the word. Many ABCtje in the portal refer to certain events like the the Olympic games, christmas, or easter. The first puzzle in the portal was an ABCtje.
| Description | solved | Rating | |
|---|---|---|---|
 | ABCtje für Anfänger (1) by pin7guin (on 15. July 2009, 15:42) | 1412 |  74 % |
| Knapp daneben - ABCtje by RobertBe (on 8. April 2009, 16:30) | 81 |  82 % |
| ABCtje für Georg und Jörg by Richard (on 10. December 2008, 00:00) | 128 |  76 % |
| Weihnachts-ABC’tje by AnnaTh (on 8. December 2008, 11:12) | 86 |  79 % |
| ABCtje der Teilnehmer der DSM 2008 by Richard (on 10. November 2008, 13:30) | 120 | 80 % |
| ABCtje by Richard (on 1. November 2008, 12:30) | 156 | 80 % |
