| Austria... or Australia? | 0 | - | 4.68 | 104,648 |
| Australia Map Quiz | 0 | - | 4.95 | 345,720 |
| Australian States and Territories | 0 | - | 4.96 | 142,583 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,442 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,642 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,271 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,837 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,798 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,465 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,330 |
| Departments of France | 0 | - | 4.93 | 54,832 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,694 |
| England or Wales? | 0 | - | 4.94 | 45,886 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,749 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,271 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,552 |
| Official European Union Languages | 0 | - | 4.97 | 239,404 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,419 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,108 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,005 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,827 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,416 |
| The Trojan War | 0 | - | 4.83 | 39,928 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,653 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,459 |
| Roman Emperors | 0 | - | 4.95 | 120,848 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,228 |
| Animals of Australia | 0 | - | 4.52 | 42,435 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,213 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,780 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,992 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,869 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,126 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,806 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,656 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,605 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,329 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,960 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| AFL Teams | 0 | - | 4.42 | 40,716 |
| Celtic Nations | 0 | - | 4.61 | 47,058 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,862 |
| Champions League Winners | 0 | - | 4.92 | 1,012,816 |
| Flags of Oceania | 0 | - | 5.00 | 261,753 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,536 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,590 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,225 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,678 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,821 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,070 |
| Austria Country Quiz | 0 | - | 4.57 | 59,959 |
| Countries Bordering France | 0 | - | 4.83 | 404,305 |
| States of Germany | 0 | - | 4.95 | 153,931 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,509 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,291 |
| Regions of Italy | 0 | - | 4.92 | 76,655 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,638 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,306 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,978 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,592 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,254 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,504 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,804 |
| Palau Country Quiz | 0 | - | 4.90 | 23,102 |
| Cultural Symbols of Australia | 0 | - | 4.24 | 48,049 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,514 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,913 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,587 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,683 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,057 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,210 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,366 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,870 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,495 |
| Germany Country Quiz | 0 | - | 4.83 | 158,552 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,881 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,166 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,999 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,001 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,860 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,552 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,300 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,566 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,564 |
| UK Immigration by Country | 0 | - | 4.94 | 141,445 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,623 |
| British Monopoly Board | 0 | - | 4.52 | 41,234 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,436 |
| Name the English Monarchs | 0 | - | 4.91 | 505,273 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,586 |
| Australia A-Z | 0 | - | 4.54 | 50,096 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,980 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,700 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,140 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,229 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,767 |
| Slavic Languages | 0 | - | 4.68 | 54,602 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,113 |
| France A-Z | 0 | - | 4.16 | 38,306 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,063 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,380 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,564 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,071 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,027 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,419 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,532 |
| Name that Greek Letter | 0 | - | 4.93 | 324,623 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,133 |
| Counties of Ireland | 0 | - | 4.92 | 196,778 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,702 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,151 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,004 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,013 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,021 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,150 |
| Roman Names for Places | 0 | - | 4.62 | 58,600 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,711 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,585 |
| Most Common First Names in Spain | 0 | - | 4.32 | 54,688 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,757 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,216 |
| Switzerland A-Z | 0 | - | 4.45 | 25,738 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,903 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,072 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,645 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,915 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,878 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,001 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,012 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,265 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,049 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,944 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,165 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,612 |
| History of Russia Quiz | 0 | - | 4.47 | 31,983 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,829 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,311 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,083 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,209 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,896 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,095 |
| Famous Irish People | 0 | - | 4.05 | 46,048 |
| History of Italy | 0 | - | 4.55 | 32,105 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,175 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,778 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,830 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,462 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,375 |
| Geography of Spain | 0 | - | 4.59 | 22,147 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,435 |
| British Geography A-Z | 0 | - | 4.42 | 19,588 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,707 |
| London A-Z | 0 | - | 4.10 | 40,852 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,896 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,207 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,630 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 120,998 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,562 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,006 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,681 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,004 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,827 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,343 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,560 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,246 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,947 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,442 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,096 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,395 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,363 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,182 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,412 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,630 |
| Capitals of French Regions | 0 | - | 4.45 | 16,152 |
| Regions of France | 0 | - | 4.70 | 121,703 |
| France Immigration by Country | 0 | - | 4.70 | 76,821 |
| Kings of France Quiz | 0 | - | 4.20 | 32,874 |
| Famous Germans | 0 | - | 4.50 | 55,656 |
| German Groups of Things | 0 | - | 4.47 | 38,586 |
| Capitals of German States | 0 | - | 4.74 | 29,032 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,479 |
| Germany True or False? | 0 | - | 4.61 | 48,957 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,309 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,552 |
| Ancient Greek Words | 0 | - | 4.93 | 112,212 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,046 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,234 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,403 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,622 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,377 |
| British to American Food Translation | 0 | - | 3.38 | 52,015 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,633 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,537 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,759 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,767 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,795 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,537 |
| Famous Scottish People | 0 | - | 4.22 | 18,425 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,265 |