| European Countries by First 2 Letters | 0 | - | 4.95 | 529,558 |
| Regions of New Zealand | 0 | - | 4.85 | 28,510 |
| Austria... or Australia? | 0 | - | 4.68 | 104,349 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,164 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,424 |
| Departments of France | 0 | - | 4.93 | 54,111 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,546 |
| England or Wales? | 0 | - | 4.94 | 45,689 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,356 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,131 |
| Official European Union Languages | 0 | - | 4.97 | 238,508 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,857 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,205 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,769 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,123 |
| The Trojan War | 0 | - | 4.83 | 39,728 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,848 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,534 |
| Roman Emperors | 0 | - | 4.95 | 120,049 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,693 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,988 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,658 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,661 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,834 |
| Australian States and Territories | 0 | - | 4.96 | 141,970 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,285 |
| Australia True or False | 0 | - | 4.87 | 56,857 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,373 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,515 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,867 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,060 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,356 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,010 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,986 |
| New Zealand Country Quiz | 0 | - | 4.70 | 75,975 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,016 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,385 |
| Celtic Nations | 0 | - | 4.69 | 46,945 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,358 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,550 |
| Champions League Winners | 0 | - | 4.92 | 1,006,759 |
| Flags of Oceania | 0 | - | 5.00 | 259,435 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,338 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,570 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,136 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,578 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,988 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,165 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,963 |
| Countries Bordering France | 0 | - | 4.83 | 402,549 |
| States of Germany | 0 | - | 4.96 | 152,590 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,037 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,413 |
| Regions of Italy | 0 | - | 4.92 | 75,879 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,531 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,127 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,946 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,208 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,039 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,334 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,700 |
| Palau Country Quiz | 0 | - | 4.90 | 23,017 |
| Australia Country Quiz | 0 | - | 4.43 | 69,588 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,450 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,824 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,521 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,492 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,265 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,831 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,135 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,688 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,753 |
| Germany Country Quiz | 0 | - | 4.83 | 157,852 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,339 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,997 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,913 |
| Italy Country Quiz | 0 | - | 4.80 | 123,406 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,384 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,052 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,331 |
| History of The Netherlands | 0 | - | 4.46 | 17,435 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,927 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,648 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,992 |
| UK Immigration by Country | 0 | - | 4.94 | 140,900 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,796 |
| British Monopoly Board | 0 | - | 4.52 | 41,168 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,621 |
| Name the English Monarchs | 0 | - | 4.91 | 502,666 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,352 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,603 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,656 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,701 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,971 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,453 |
| Slavic Languages | 0 | - | 4.68 | 54,362 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,627 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,319 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,776 |
| France A-Z | 0 | - | 4.16 | 38,207 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,872 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,180 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,205 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,437 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,707 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,038 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,443 |
| Name that Greek Letter | 0 | - | 4.93 | 323,455 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,666 |
| Counties of Ireland | 0 | - | 4.92 | 195,278 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,613 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,867 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,491 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,048 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,747 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,932 |
| Roman Names for Places | 0 | - | 4.62 | 58,288 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,344 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,466 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,611 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,989 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,941 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,863 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,282 |
| Switzerland A-Z | 0 | - | 4.45 | 25,646 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,681 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,022 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,121 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,537 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,786 |
| UK General Knowledge Multiple Choice #2 | 0 | - | 4.33 | 22,687 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,732 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,772 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,409 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,144 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,962 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,655 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,842 |
| Animals of Australia | 0 | - | 4.52 | 42,321 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,469 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,089 |
| History of Russia Quiz | 0 | - | 4.47 | 31,918 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,729 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,226 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,956 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,144 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,845 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,987 |
| Famous Irish People | 0 | - | 4.05 | 45,994 |
| History of Italy | 0 | - | 4.55 | 31,975 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,784 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,775 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,398 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,237 |
| Geography of Spain | 0 | - | 4.59 | 22,076 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,179 |
| British Geography A-Z | 0 | - | 4.42 | 19,519 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,662 |
| London A-Z | 0 | - | 4.10 | 40,774 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,214 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,180 |
| AFL Teams | 0 | - | 4.41 | 40,422 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,278 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 119,083 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,006 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,649 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,542 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,683 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,562 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,868 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,713 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,024 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,453 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,063 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,275 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,941 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,226 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,234 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,619 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,438 |
| Capitals of French Regions | 0 | - | 4.45 | 16,073 |
| Regions of France | 0 | - | 4.72 | 120,792 |
| France Immigration by Country | 0 | - | 4.70 | 76,521 |
| Kings of France Quiz | 0 | - | 4.20 | 32,745 |
| Famous Germans | 0 | - | 4.50 | 55,297 |
| German Groups of Things | 0 | - | 4.46 | 38,479 |
| Capitals of German States | 0 | - | 4.74 | 28,955 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,334 |
| Germany True or False? | 0 | - | 4.61 | 48,807 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,017 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,501 |
| Ancient Greek Words | 0 | - | 4.93 | 111,601 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,500 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,183 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,135 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,266 |
| British to American Food Translation | 0 | - | 3.38 | 51,965 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,250 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,448 |
