12 round format (25th Anniversary)
From Countdown
The 12 round format was only used for Episode 4473. In this episode, the letters and numbers were picked not by the contestants, but by various celebrities.
| Rnd | Selection | Champion (C1) | Score | Challenger (C2) | Others | Max. |
|---|---|---|---|---|---|---|
| 1 | LETTERS | – | ||||
| 2 | LETTERS | – | ||||
| 3 | LETTERS | – | ||||
| 4 | NUMBERS → | – |
|
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| 5 | LETTERS | – | ||||
| 6 | LETTERS | – | ||||
| 7 | LETTERS | – | ||||
| 8 | NUMBERS → | – |
|
|||
| 9 | LETTERS | – | ||||
| 10 | LETTERS | – | ||||
| 11 | NUMBERS → | – |
|
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| 12 | CONUNDRUM | – |
