| European Countries by First 2 Letters | 0 | - | 4.95 | 526,316 |
| Regions of New Zealand | 0 | - | 4.85 | 28,127 |
| Austria... or Australia? | 0 | - | 4.68 | 103,862 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,804 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,441 |
| Departments of France | 0 | - | 4.93 | 52,800 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,364 |
| England or Wales? | 0 | - | 4.94 | 45,309 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,261 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,576 |
| Official European Union Languages | 0 | - | 4.97 | 236,511 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,696 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,181 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,512 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,365 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,524 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,041 |
| Roman Emperors | 0 | - | 4.95 | 118,475 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,784 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,535 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,429 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,479 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,565 |
| Australian States and Territories | 0 | - | 4.95 | 140,788 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,016 |
| Australia True or False | 0 | - | 4.87 | 56,499 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,844 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,807 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,859 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,962 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,046 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,864 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,463 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,706 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| Celtic Nations | 0 | - | 4.69 | 46,811 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,779 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,112 |
| Champions League Winners | 0 | - | 4.92 | 996,243 |
| Flags of Oceania | 0 | - | 5.00 | 255,160 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,910 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,050 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,325 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,209 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,232 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,776 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,956 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,774 |
| Countries Bordering France | 0 | - | 4.83 | 398,958 |
| States of Germany | 0 | - | 4.96 | 150,024 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,005 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,022 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Regions of Italy | 0 | - | 4.92 | 74,696 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,956 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,692 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,319 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,140 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,214 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,038 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,405 |
| Palau Country Quiz | 0 | - | 4.89 | 22,837 |
| Australia Country Quiz | 0 | - | 4.43 | 69,275 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,293 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,347 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,142 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,505 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,190 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,149 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,180 |
| Germany Country Quiz | 0 | - | 4.82 | 156,530 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,137 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,770 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,767 |
| Italy Country Quiz | 0 | - | 4.82 | 122,190 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,361 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,072 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,943 |
| History of The Netherlands | 0 | - | 4.46 | 17,310 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,949 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,630 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,834 |
| UK Immigration by Country | 0 | - | 4.94 | 139,617 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,125 |
| British Monopoly Board | 0 | - | 4.52 | 41,033 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,260 |
| Name the English Monarchs | 0 | - | 4.92 | 497,846 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,482 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,448 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,598 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,981 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,029 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,787 |
| Slavic Languages | 0 | - | 4.67 | 53,975 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,387 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,554 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,772 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,594 |
| France A-Z | 0 | - | 4.16 | 38,056 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,524 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,799 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,588 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,367 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,295 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,456 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,827 |
| Name that Greek Letter | 0 | - | 4.94 | 321,638 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,894 |
| Counties of Ireland | 0 | - | 4.92 | 193,048 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,428 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,446 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,869 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,309 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,531 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,663 |
| Roman Names for Places | 0 | - | 4.62 | 57,872 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,669 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,244 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,473 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,295 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,459 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,132 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,487 |
| Switzerland A-Z | 0 | - | 4.45 | 25,508 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,442 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,913 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,248 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,832 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,660 |
| UK General Knowledge Multiple Choice #2 | 0 | - | 4.33 | 22,568 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,592 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,442 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,254 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,952 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,831 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,715 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,759 |
| Animals of Australia | 0 | - | 4.52 | 42,148 |
| Countries that Beat New Zealand | 0 | - | 4.69 | 26,170 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,121 |
| History of Russia Quiz | 0 | - | 4.49 | 31,789 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,563 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,093 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,675 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,983 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,059 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,277 |
| Famous Irish People | 0 | - | 4.05 | 45,854 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,157 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,685 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,286 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,979 |
| Geography of Spain | 0 | - | 4.59 | 21,961 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,797 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,580 |
| London A-Z | 0 | - | 4.10 | 40,636 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,514 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,861 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,390 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,889 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,828 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,696 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,209 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,875 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,663 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,619 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,015 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,297 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,970 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,987 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,611 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,941 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,980 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,588 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,146 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,608 |
| Capitals of French Regions | 0 | - | 4.45 | 15,984 |
| Regions of France | 0 | - | 4.78 | 119,224 |
| France Immigration by Country | 0 | - | 4.72 | 75,963 |
| Kings of France Quiz | 0 | - | 4.20 | 32,551 |
| Famous Germans | 0 | - | 4.50 | 54,610 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Capitals of German States | 0 | - | 4.74 | 28,811 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,092 |
| Germany True or False? | 0 | - | 4.61 | 48,531 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,464 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,422 |
| Ancient Greek Words | 0 | - | 4.92 | 110,685 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,443 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,044 |
| British to American Food Translation | 0 | - | 3.38 | 51,813 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,945 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,261 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,386 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,392 |
