| 6,357 | Word Scramble - Stations of London Underground | 2019-08-12 | 2 |
| 2,664 | Quels sont ces fruits? | 2021-03-20 | – |
| 1,588 | God Save the King Lyrics Quiz | 2023-07-05 | 11 |
| 617 | English and British monarchs (from 886) | 2022-09-08 | 3 |
| 495 | Digits of π (Pi) to 100 decimal digits | 2019-06-16 | 0 |
| 481 | Non-Self-Governing Territory Flag-Shapes | 2021-09-24 | 10 |
| 376 | Tube Stations Tile Select | 2020-02-04 | 0 |
| 301 | London Underground Stroop Test | 2019-10-12 | 1 |
| 228 | OH NO! The countries of Europe have fallen into the sea. | 2022-04-06 | 1 |
| 201 | London Underground Stroop Test - expanded | 2019-10-22 | 0 |
| 201 | Strictly Come Dancing professional dancers | 2022-04-06 | 0 |
| 178 | Disney Animated Classics | 2022-04-22 | 0 |
| 148 | Country Spelling Test | 2019-04-16 | 0 |
| 134 | Full Democracies in the Democracy Index | 2022-12-08 | 2 |
| 124 | Currencies of Europe Quiz | 2021-07-27 | 0 |
| 103 | Places of the Monopoly Board (London) | 2019-06-30 | 0 |
| 102 | Capital to Continent Click Quiz | 2022-09-24 | 0 |
| 102 | American presidents | 2019-05-16 | 0 |
| 98 | OH NO! Oceania has fallen into the sea. | 2021-03-28 | 1 |
| 97 | Flags of Countries 197 to 242 | 2022-04-18 | 0 |
| 92 | Capital to Country - Africa | 2020-05-01 | 0 |
| 89 | Instruments of the Orchestra | 2020-06-30 | 0 |
| 88 | U.S. Presidents in order | 2019-06-02 | 0 |
| 88 | Which Tube line is the station on? | 2020-03-25 | 0 |
| 86 | 30 biggest cities in Africa with a map! | 2021-03-07 | 1 |
| 85 | 30 biggest cities of Europe with a map! | 2021-02-28 | 0 |
| 82 | OH NO! South America has fallen into the sea! | 2021-03-29 | 1 |
| 81 | EU Countries - Map Quiz | 2020-11-01 | 0 |
| 79 | 30 biggest cities in Asia with a map! | 2021-03-02 | 1 |
| 76 | OH NO! Africa has fallen into the sea. | 2021-03-29 | 1 |
| 76 | OH NO! North America has fallen into the sea. | 2021-03-28 | 1 |
| 76 | All transcontinental countries | 2020-04-04 | 0 |
| 74 | Periodic Table Spelling test | 2019-04-06 | 0 |
| 74 | OH NO! The countries of Asia have fallen into the sea. | 2021-03-28 | 1 |
| 67 | 30 biggest cities in North America with a map! | 2021-02-17 | 0 |
| 64 | Days of the week in most European languages | 2020-07-24 | 0 |
| 64 | Symbols of the Periodic table IN ORDER! | 2019-04-11 | 0 |
| 63 | Countries that Changed their Name | 2022-06-26 | 0 |
| 59 | Countries (and territories) with Chinese as an official language | 2021-11-12 | 0 |
| 59 | Country Knowledge Test | 2019-05-18 | 0 |
| 55 | Former Countries of Yugoslavia | 2019-08-16 | 0 |
| 52 | International System of Units | 2019-07-13 | 0 |
| 51 | 30 biggest cities in South America with a map! | 2021-02-17 | 0 |
| 50 | What are these fruits? | 2021-03-20 | 0 |
| 49 | Ticket to Ride Map Quiz | 2022-08-11 | 1 |
| 45 | Countries bordering Hungary with a map | 2021-04-28 | 0 |
| 45 | Countries with French as an official language | 2021-11-13 | 0 |
| 44 | Countries with Arabic as an official language | 2021-11-12 | 0 |
| 44 | British Line of Succession | 2019-06-28 | 0 |
| 41 | Pan-Arab Flags | 2022-08-09 | 1 |
| 40 | Major G7 Cities | 2021-09-23 | 0 |
| 40 | Pan-Slavic flags | 2022-08-09 | 1 |
| 39 | Wat zijn deze vruchten? | 2021-03-20 | – |
| 38 | 13 US Colonies | 2019-07-29 | 0 |
| 37 | UK Cities Quiz | 2019-06-14 | 0 |
| 37 | European capitals with no hints | 2021-07-27 | 0 |
| 34 | Ophricter van vlaggen van VN-leden | 2020-05-16 | – |
| 33 | Capitals of Oceania | 2020-11-25 | 0 |
| 33 | Capital to Country - Europe | 2021-07-27 | 0 |
| 33 | US State Flag-Shape Quiz | 2021-09-24 | 0 |
| 32 | Canadian Province Flag-Shape Quiz | 2021-09-24 | 0 |
| 32 | US State Capitals | 2019-07-25 | 0 |
| 31 | Random Cities by Picture | 2022-01-27 | 0 |
| 29 | Welsh Days of the Week | 2019-06-08 | 0 |
| 29 | Countries that beat the USA at HDI | 2022-12-23 | 0 |
| 28 | American Capitals with No Hints | 2021-11-18 | 0 |
| 26 | Countries of Central Asia Quiz | 2021-04-30 | 0 |
| 25 | The Counties of England | 2019-05-12 | 0 |
| 25 | Capital to Country World | 2022-10-05 | 0 |
| 25 | Tile Select in Continents | 2020-04-13 | 0 |
| 24 | Countries that used to be in the USSR | 2020-04-27 | 0 |
| 23 | Capital to Country - Asia | 2019-04-27 | 0 |
| 20 | Countries of South America | 2020-10-17 | 0 |
| 20 | Capitals of Africa | 2019-05-12 | 0 |
| 19 | Count to 10 in Europe - EXPANDED | 2020-07-24 | 1 |
| 19 | Planets and Dwarf Planets in order | 2019-04-07 | 0 |
| 18 | Scottish Monarchs | 2019-04-23 | 0 |
| 18 | Australian States and Territories | 2019-06-22 | 0 |
| 15 | Canadian provinces/territories - alphabetical order version! | 2019-05-08 | 0 |
| 15 | Presidents of France | 2019-07-31 | 0 |
| 14 | Elements in period 7 or the actinoids | 2019-08-19 | 0 |
| 12 | Is it in the Alliance? | 2023-04-03 | 0 |
| 12 | Elements named after Famous People | 2019-03-29 | 0 |
| 11 | Geologic Time Scale | 2021-09-24 | 1 |
| 10 | Canadian provinces and territories | 2019-05-08 | 0 |
| 10 | FizzBuzz up to 100 | 2021-12-04 | 0 |
| 10 | 30 second country sprint | 2020-05-01 | 0 |
| 8 | Capitals of Europe | 2022-04-06 | 0 |
| 7 | World Chess Champions | 2022-02-12 | 0 |
| 6 | Tom Lehrer's missing elements | 2020-04-22 | 0 |
| 4 | Transition metals | 2019-04-03 | 0 |
| 1 | Nākd Bar names | 2020-07-12 | 0 |
