| Countries Surrounding Rome | 0 | - | 4.97 | 49,362 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,511 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,868 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,039 |
| Roman Emperors | 0 | - | 4.95 | 118,454 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,297 |
| Regions of Italy | 0 | - | 4.92 | 74,690 |
| Italian Foods | 0 | - | 4.31 | 72,174 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,411 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,940 |
| Departments of France | 0 | - | 4.93 | 52,793 |
| Italy Country Quiz | 0 | - | 4.82 | 122,178 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,344 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,478 |
| England or Wales? | 0 | - | 4.94 | 45,309 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,573 |
| Official European Union Languages | 0 | - | 4.97 | 236,502 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,691 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,158 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,440 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,295 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,586 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,357 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,452 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,518 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,943 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,666 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,456 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,534 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,529 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,661 |
| Roman Names for Places | 0 | - | 4.62 | 57,869 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,563 |
| British to American Food Translation | 0 | - | 3.38 | 51,813 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,647 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,839 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,797 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,846 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,045 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,008 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,473 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,442 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,835 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| Celtic Nations | 0 | - | 4.69 | 46,810 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,093 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| Geography of Spain | 0 | - | 4.59 | 21,960 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,103 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,797 |
| Champions League Winners | 0 | - | 4.92 | 996,195 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,322 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,205 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,228 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,769 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,946 |
| Countries Bordering France | 0 | - | 4.83 | 398,882 |
| States of Germany | 0 | - | 4.96 | 150,014 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,001 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,007 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,799 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,689 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,311 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,138 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,211 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,403 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,350 |
| Name a Valid African Country | 0 | - | 4.98 | 152,924 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,508 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,470 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,137 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,491 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,176 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,144 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,724 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,227 |
| Austria... or Australia? | 0 | - | 4.68 | 103,859 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,176 |
| Germany Country Quiz | 0 | - | 4.82 | 156,516 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,134 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,768 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,766 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,916 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,064 |
| Byzantine History | 0 | - | 4.91 | 28,614 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,947 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,625 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,814 |
| UK Immigration by Country | 0 | - | 4.94 | 139,607 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,116 |
| British Monopoly Board | 0 | - | 4.52 | 41,028 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,250 |
| Name the English Monarchs | 0 | - | 4.92 | 497,826 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,475 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,041 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,091 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,551 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,843 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,445 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,598 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,980 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,018 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,785 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,959 |
| Slavic Languages | 0 | - | 4.67 | 53,972 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,880 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,385 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,553 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,771 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,573 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,962 |
| France A-Z | 0 | - | 4.16 | 38,055 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,521 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,795 |
| Countries that Beat France | 0 | - | 4.49 | 75,162 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,281 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,580 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,804 |
| Name that Greek Letter | 0 | - | 4.94 | 321,632 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,886 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,427 |
| Counties of Ireland | 0 | - | 4.92 | 193,039 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,428 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,302 |
| Italian History A-Z | 0 | - | 4.21 | 17,381 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,139 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,360 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,243 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,282 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,127 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,483 |
| Switzerland A-Z | 0 | - | 4.45 | 25,507 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,912 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,241 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,285 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,584 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,440 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,683 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,240 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,710 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,756 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,882 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,176 |
| Countries that Beat China | 0 | - | 4.86 | 114,697 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 190,918 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,741 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,662 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,117 |
| History of Russia Quiz | 0 | - | 4.49 | 31,788 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,563 |
| French Foods | 0 | - | 4.00 | 27,588 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,674 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,983 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,015 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,266 |
| Famous Irish People | 0 | - | 4.05 | 45,854 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,155 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,040 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,479 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,286 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,340 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,979 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,099 |
| 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 | 266,503 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,240 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,506 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,476 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,386 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,889 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,825 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,694 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,208 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,870 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,660 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,619 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,013 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,295 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,790 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,986 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,610 |
| 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 | 99,585 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,143 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,606 |
| Capitals of French Regions | 0 | - | 4.45 | 15,984 |
| Regions of France | 0 | - | 4.78 | 119,219 |
| France Immigration by Country | 0 | - | 4.72 | 75,957 |
| Kings of France Quiz | 0 | - | 4.20 | 32,550 |
| Famous Germans | 0 | - | 4.50 | 54,606 |
| German Groups of Things | 0 | - | 4.46 | 38,305 |
| Capitals of German States | 0 | - | 4.74 | 28,811 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,090 |
| Germany True or False? | 0 | - | 4.61 | 48,530 |
