Language quiz
Countries of Europe with no repeated letter
Click every country whose name uses no letter more than once. Three wrong clicks end the round.
- Format
- Map quiz
- Items
- 20 on the map
- Limit
- 4:00
- Level
- Hard
- Checked
- 2026.10.03
The rules as listed below.
- To find
- 20
- Out of
- 47 on the map
- Time limit
- 4:00
- Wrong clicks
- 3 end the round
- Click every place that fits the rule, in any order.
- Switch to Rule out (or press M) to hatch a place you have decided against. A ruled out place cannot be clicked by accident.
- A click counts for the place under it, so zoom in (pinch, or the zoom buttons) before picking a small one.
- Pause whenever you like (Esc). The board hides while the clock is stopped.
Click every country whose name has no repeated letter.
RuleClick each country whose English short name, as Ribbia writes it, uses no letter twice, ignoring capitals and spaces.
Drawing the map
About this quiz
A word in which no letter repeats is an isogram. Short names have the best chance, but some long ones manage it too, and a name can fail on a single letter.
- Switzerland is the longest name of the lot, with eleven different letters.
- Germany qualifies; Austria fails on its two As.
Sources
- [1]United Nations. Member States.
- [2]United Nations. Non-member States.
- [3]United Nations Statistics Division. Standard country or area codes for statistical use (M49).
Last checked October 3, 2026
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