| Austria... or Australia? | 0 | - | 4.68 | 104,199 |
| Australia Map Quiz | 0 | - | 4.95 | 343,669 |
| Australian States and Territories | 0 | - | 4.96 | 141,584 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,209 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,448 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,088 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,809 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,471 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,893 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,715 |
| Departments of France | 0 | - | 4.93 | 53,659 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,500 |
| England or Wales? | 0 | - | 4.94 | 45,569 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,967 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,560 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,955 |
| Official European Union Languages | 0 | - | 4.97 | 237,983 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,529 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,220 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,696 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,142 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,410 |
| The Trojan War | 0 | - | 4.83 | 39,625 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,436 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,380 |
| Roman Emperors | 0 | - | 4.95 | 119,573 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,403 |
| Animals of Australia | 0 | - | 4.52 | 42,277 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,848 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,591 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,728 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,203 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,815 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,181 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,610 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,270 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,852 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,778 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,349 |
| Celtic Nations | 0 | - | 4.69 | 46,899 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,827 |
| Champions League Winners | 0 | - | 4.92 | 1,003,007 |
| Flags of Oceania | 0 | - | 5.00 | 257,810 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,809 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,644 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,601 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,032 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,891 |
| Austria Country Quiz | 0 | - | 4.57 | 59,598 |
| Countries Bordering France | 0 | - | 4.83 | 401,673 |
| States of Germany | 0 | - | 4.96 | 151,673 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,812 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,447 |
| Regions of Italy | 0 | - | 4.92 | 75,459 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,630 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,000 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,528 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,934 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,531 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,245 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,653 |
| Palau Country Quiz | 0 | - | 4.90 | 22,953 |
| Cultural Symbols of Australia | 0 | - | 4.24 | 47,943 |
| AFL Teams | 0 | - | 4.40 | 40,238 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,402 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,476 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,368 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,379 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,116 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,510 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,314 |
| Germany Country Quiz | 0 | - | 4.82 | 157,466 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,807 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,912 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,866 |
| Italy Country Quiz | 0 | - | 4.82 | 122,993 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,017 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,717 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,229 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,593 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,273 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,645 |
| UK Immigration by Country | 0 | - | 4.94 | 140,573 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,286 |
| British Monopoly Board | 0 | - | 4.52 | 41,132 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,123 |
| Name the English Monarchs | 0 | - | 4.91 | 501,065 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,599 |
| Australia A-Z | 0 | - | 4.54 | 49,930 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,672 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,540 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,440 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,235 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,290 |
| Slavic Languages | 0 | - | 4.68 | 54,234 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,592 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,034 |
| France A-Z | 0 | - | 4.16 | 38,151 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,769 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,059 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,005 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,038 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,888 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,870 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,700 |
| Name that Greek Letter | 0 | - | 4.93 | 322,940 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,402 |
| Counties of Ireland | 0 | - | 4.92 | 194,451 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,565 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,725 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,265 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,605 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,674 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,839 |
| Roman Names for Places | 0 | - | 4.62 | 58,141 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,864 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,082 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,403 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,571 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,503 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,751 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,478 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,029 |
| Switzerland A-Z | 0 | - | 4.45 | 25,611 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,622 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,990 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 74,840 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,306 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,943 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,658 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,080 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,085 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,919 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,180 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,639 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,792 |
| History of Russia Quiz | 0 | - | 4.49 | 31,872 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,679 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,180 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,878 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,108 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,273 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,385 |
| Famous Irish People | 0 | - | 4.05 | 45,957 |
| History of Italy | 0 | - | 4.55 | 31,927 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,587 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,601 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,751 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,367 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,149 |
| Geography of Spain | 0 | - | 4.59 | 22,039 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,991 |
| British Geography A-Z | 0 | - | 4.42 | 19,485 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,627 |
| London A-Z | 0 | - | 4.10 | 40,735 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,733 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,726 |
| New Zealand Country Quiz | 0 | - | 4.70 | 75,836 |
| European Geography By Letter - A | 0 | - | 4.52 | 143,356 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,311 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,090 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,862 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,973 |
| European Geography By Letter - M | 0 | - | 4.67 | 129,920 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,091 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,421 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,123 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,705 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,993 |
| Europe Map Quiz | 0 | - | 5.00 | 4,752,729 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,184 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,845 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,132 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,161 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,244 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,334 |
| Capitals of French Regions | 0 | - | 4.45 | 16,032 |
| Regions of France | 0 | - | 4.75 | 120,286 |
| France Immigration by Country | 0 | - | 4.70 | 76,350 |
| Kings of France Quiz | 0 | - | 4.20 | 32,670 |
| Famous Germans | 0 | - | 4.50 | 55,058 |
| German Groups of Things | 0 | - | 4.46 | 38,420 |
| Capitals of German States | 0 | - | 4.74 | 28,917 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,261 |
| Germany True or False? | 0 | - | 4.61 | 48,719 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,825 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,469 |
| Ancient Greek Words | 0 | - | 4.93 | 111,263 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,154 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,159 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,964 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,185 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,210 |
| British to American Food Translation | 0 | - | 3.38 | 51,933 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,011 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,394 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,565 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,564 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,459 |
