| Regions of Italy | 0 | - | 4.92 | 74,653 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,354 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,213 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,280 |
| States of Germany | 0 | - | 4.96 | 149,942 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,987 |
| Italian Foods | 0 | - | 4.30 | 72,147 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,778 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,245 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,098 |
| Departments of France | 0 | - | 4.93 | 52,747 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,300 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,468 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,435 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,914 |
| England or Wales? | 0 | - | 4.94 | 45,298 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,557 |
| Official European Union Languages | 0 | - | 4.97 | 236,457 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,653 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,041 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,353 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,506 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,423 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,520 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,571 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,434 |
| The Mafia Quiz | 0 | - | 4.46 | 23,199 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,021 |
| Roman Emperors | 0 | - | 4.95 | 118,399 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| History of Italy | 0 | - | 4.55 | 31,806 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,132 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,231 |
| Celtic Nations | 0 | - | 4.69 | 46,805 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,344 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,817 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,701 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,743 |
| Regions of France | 0 | - | 4.78 | 119,159 |
| France Immigration by Country | 0 | - | 4.72 | 75,939 |
| Famous Germans | 0 | - | 4.50 | 54,594 |
| German Groups of Things | 0 | - | 4.46 | 38,296 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,031 |
| Germany True or False? | 0 | - | 4.61 | 48,518 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,432 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,759 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,036 |
| Counties of England | 0 | - | 4.97 | 788,834 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,380 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,616 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,296 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,180 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,178 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,725 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,860 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,063 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,640 |
| Word Chain - Italy | 0 | - | 4.07 | 23,085 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,035 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,594 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,042 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,876 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,023 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,788 |
| Champions League Winners | 0 | - | 4.92 | 995,825 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,305 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,251 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,123 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,506 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,677 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,195 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Name a Valid African Country | 0 | - | 4.98 | 152,890 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,405 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,090 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,077 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,559 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,154 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,131 |
| Word Chain - France | 0 | - | 4.38 | 42,572 |
| Germany Country Quiz | 0 | - | 4.82 | 156,477 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,101 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,759 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Italy Country Quiz | 0 | - | 4.82 | 122,142 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,319 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,028 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,928 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,922 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,591 |
| Canary Islands | 0 | - | 4.61 | 17,395 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,727 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,122 |
| British Spellings | 0 | - | 4.07 | 99,197 |
| British Groups of Things | 0 | - | 4.25 | 82,664 |
| British to American Food Translation | 0 | - | 3.38 | 51,810 |
| British Acronyms | 0 | - | 4.39 | 45,612 |
| UK Immigration by Country | 0 | - | 4.94 | 139,543 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,071 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,195 |
| Geography of Scotland | 0 | - | 4.63 | 21,472 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,407 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,496 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,009 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,311 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,379 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,067 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,437 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,964 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,936 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,772 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,927 |
| Slavic Languages | 0 | - | 4.67 | 53,955 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,370 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,550 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,959 |
| France A-Z | 0 | - | 4.16 | 38,047 |
| French History Multiple Choice | 0 | - | 4.55 | 32,864 |
| History of Germany | 0 | - | 4.39 | 52,608 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,598 |
| Name that Greek Letter | 0 | - | 4.94 | 321,534 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,524 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,656 |
| Roman Names for Places | 0 | - | 4.62 | 57,857 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,333 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,238 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,113 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,452 |
| Switzerland A-Z | 0 | - | 4.45 | 25,498 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,907 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,429 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,675 |
| Malta Country Quiz | 0 | - | 4.81 | 30,817 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,872 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,443 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,493 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,576 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,586 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,823 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,069 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,556 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,847 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,088 |
| Famous French People | 0 | - | 4.12 | 27,917 |
| Movies Set in France | 0 | - | 4.26 | 13,069 |
| French Inventions | 0 | - | 4.08 | 13,863 |
| French Foods | 0 | - | 4.00 | 27,585 |
| History of Paris | 0 | - | 4.24 | 13,612 |
| Word Chain - Germany | 0 | - | 4.31 | 22,474 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,321 |
| The Trojan War | 0 | - | 4.83 | 39,419 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,479 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,183 |
| Italian Inventions | 0 | - | 3.81 | 18,408 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,297 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,843 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,474 |
| Famous Nordic People | 0 | - | 4.34 | 19,842 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,320 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,639 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,540 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Geography of Spain | 0 | - | 4.59 | 21,951 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,437 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,233 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,457 |
| People on Money - England | 0 | - | 4.29 | 16,561 |
| Name a Valid English City | 0 | - | 4.19 | 16,627 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,309 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,303 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,047 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,156 |
| Countries that Beat China | 0 | - | 4.86 | 114,669 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,071 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,348 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,852 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,780 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,656 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,182 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,827 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,637 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,600 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,003 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,271 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,694 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,978 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,603 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,929 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,965 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,569 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,125 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,595 |
| Capitals of French Regions | 0 | - | 4.45 | 15,981 |
| Kings of France Quiz | 0 | - | 4.20 | 32,547 |
| Capitals of German States | 0 | - | 4.74 | 28,805 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,090 |
