| Countries Surrounding Rome | 0 | - | 4.97 | 49,534 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,746 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,413 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,480 |
| Roman Emperors | 0 | - | 4.95 | 119,838 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,200 |
| Regions of Italy | 0 | - | 4.92 | 75,753 |
| Italian Foods | 0 | - | 4.30 | 72,725 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,762 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,164 |
| Departments of France | 0 | - | 4.93 | 53,990 |
| Italy Country Quiz | 0 | - | 4.82 | 123,310 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,236 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,744 |
| England or Wales? | 0 | - | 4.94 | 45,644 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,066 |
| Official European Union Languages | 0 | - | 4.97 | 238,333 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,742 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,889 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,822 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,906 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,130 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,274 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,978 |
| The Trojan War | 0 | - | 4.83 | 39,684 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,705 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,294 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,252 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,868 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,938 |
| History of Italy | 0 | - | 4.55 | 31,959 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,721 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,884 |
| Roman Names for Places | 0 | - | 4.62 | 58,239 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,800 |
| British to American Food Translation | 0 | - | 3.38 | 51,955 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,367 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,317 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,247 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,142 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,327 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,936 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,357 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,600 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,657 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,319 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,378 |
| Celtic Nations | 0 | - | 4.69 | 46,923 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,215 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,073 |
| Geography of Spain | 0 | - | 4.59 | 22,065 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,264 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,039 |
| Champions League Winners | 0 | - | 4.92 | 1,005,600 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,020 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,115 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,863 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,833 |
| Countries Bordering France | 0 | - | 4.83 | 402,260 |
| States of Germany | 0 | - | 4.96 | 152,265 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,969 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,088 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,175 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,046 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,096 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,805 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,120 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,625 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,684 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,183 |
| Name a Valid African Country | 0 | - | 4.98 | 153,939 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,423 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,978 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,455 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,966 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,585 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,925 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,545 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,538 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,659 |
| Austria... or Australia? | 0 | - | 4.68 | 104,293 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,615 |
| Germany Country Quiz | 0 | - | 4.82 | 157,734 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,010 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,966 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,900 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,715 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,920 |
| Byzantine History | 0 | - | 4.91 | 28,796 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,808 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,534 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,873 |
| UK Immigration by Country | 0 | - | 4.94 | 140,790 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,641 |
| British Monopoly Board | 0 | - | 4.52 | 41,157 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,447 |
| Name the English Monarchs | 0 | - | 4.91 | 502,113 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,148 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,902 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,728 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,856 |
| Countries that Beat Canada | 0 | - | 4.90 | 92,672 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,585 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,650 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,609 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,780 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,399 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,937 |
| Slavic Languages | 0 | - | 4.68 | 54,319 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,610 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,621 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,260 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,643 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,057 |
| France A-Z | 0 | - | 4.16 | 38,189 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,835 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,141 |
| Countries that Beat France | 0 | - | 4.49 | 75,732 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,426 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,917 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,798 |
| Name that Greek Letter | 0 | - | 4.93 | 323,283 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,584 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,637 |
| Counties of Ireland | 0 | - | 4.92 | 195,006 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,591 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,447 |
| Italian History A-Z | 0 | - | 4.21 | 17,694 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,331 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,037 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,444 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,831 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,742 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,205 |
| Switzerland A-Z | 0 | - | 4.45 | 25,633 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,013 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,023 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,618 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,491 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,728 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,885 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,291 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,596 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,775 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,130 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,803 |
| Countries that Beat China | 0 | - | 4.86 | 115,655 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,602 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,053 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,676 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,981 |
| History of Russia Quiz | 0 | - | 4.47 | 31,904 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,713 |
| French Foods | 0 | - | 4.00 | 27,691 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,934 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,127 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,435 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,770 |
| Famous Irish People | 0 | - | 4.05 | 45,989 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,721 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,093 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,641 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,393 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,759 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,200 |
| British Geography A-Z | 0 | - | 4.42 | 19,506 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,536 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,649 |
| London A-Z | 0 | - | 4.10 | 40,754 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,040 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,536,485 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,602 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,041 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,722 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,755 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,474 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,189 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,248 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,314 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,332 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,646 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,545 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,871 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,245 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,270 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,243 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,909 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,196 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,214 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,446 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,404 |
| Capitals of French Regions | 0 | - | 4.45 | 16,056 |
| Regions of France | 0 | - | 4.75 | 120,608 |
| France Immigration by Country | 0 | - | 4.70 | 76,463 |
| Kings of France Quiz | 0 | - | 4.20 | 32,704 |
| Famous Germans | 0 | - | 4.50 | 55,254 |
| German Groups of Things | 0 | - | 4.46 | 38,463 |
| Capitals of German States | 0 | - | 4.74 | 28,944 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,309 |
| Germany True or False? | 0 | - | 4.61 | 48,770 |
