| Regions of Italy | 0 | - | 4.92 | 76,269 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,620 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,664 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,651 |
| Word Chain - France | 0 | - | 4.38 | 42,847 |
| States of Germany | 0 | - | 4.95 | 153,247 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,300 |
| Italian Foods | 0 | - | 4.30 | 72,950 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,443 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,436 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,425 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,963 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,408 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,667 |
| Departments of France | 0 | - | 4.93 | 54,493 |
| German Groups of Things | 0 | - | 4.46 | 38,529 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,822 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,448 |
| England or Wales? | 0 | - | 4.94 | 45,806 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,341 |
| Official European Union Languages | 0 | - | 4.97 | 238,954 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,151 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,119 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,861 |
| Word Chain - Germany | 0 | - | 4.31 | 22,622 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,666 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,362 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,118 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,371 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,211 |
| The Mafia Quiz | 0 | - | 4.46 | 23,373 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,659 |
| Roman Emperors | 0 | - | 4.95 | 120,421 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,917 |
| British Groups of Things | 0 | - | 4.25 | 82,915 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| History of Italy | 0 | - | 4.55 | 32,058 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,972 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,432 |
| Celtic Nations | 0 | - | 4.69 | 46,998 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,361 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,016 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,930 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,306 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,301 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,543 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,359 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,181 |
| Regions of France | 0 | - | 4.72 | 121,269 |
| France Immigration by Country | 0 | - | 4.70 | 76,689 |
| Famous Germans | 0 | - | 4.50 | 55,538 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,481 |
| Germany True or False? | 0 | - | 4.61 | 48,894 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,204 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,149 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,503 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,658 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,343 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,776 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,048 |
| Counties of England | 0 | - | 4.97 | 799,036 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,694 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,285 |
| Capital Cities Chain | 0 | - | 4.84 | 82,972 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,292 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,953 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,403 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,899 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,337 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,057 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,876 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,233 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,128 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,101 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,283 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,219 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,170 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,204 |
| Name a Valid English City | 0 | - | 4.19 | 16,754 |
| Champions League Winners | 0 | - | 4.92 | 1,010,051 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,571 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,397 |
| Word Chain - Australia | 0 | - | 4.38 | 38,172 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,590 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,218 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,165 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,757 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,877 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,752 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,208 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,066 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,784 |
| Famous French People | 0 | - | 4.07 | 35,864 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,186 |
| Germany Country Quiz | 0 | - | 4.83 | 158,199 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,648 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,081 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,948 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,677 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,624 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,427 |
| History of The Netherlands | 0 | - | 4.46 | 17,488 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,125 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,246 |
| Canary Islands | 0 | - | 4.62 | 17,493 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,282 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,836 |
| British Spellings | 0 | - | 4.06 | 99,510 |
| British to American Food Translation | 0 | - | 3.38 | 51,985 |
| British Acronyms | 0 | - | 4.40 | 45,855 |
| UK Immigration by Country | 0 | - | 4.94 | 141,180 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,205 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,009 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,957 |
| Geography of Scotland | 0 | - | 4.63 | 21,660 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,037 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,362 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,107 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,251 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,619 |
| Name a Valid African Country | 0 | - | 4.98 | 154,384 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,650 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,675 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,894 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,656 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,653 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,390 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,453 |
| Slavic Languages | 0 | - | 4.68 | 54,472 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,646 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,091 |
| France A-Z | 0 | - | 4.16 | 38,270 |
| French History Multiple Choice | 0 | - | 4.55 | 33,129 |
| History of Germany | 0 | - | 4.39 | 52,904 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,990 |
| Name that Greek Letter | 0 | - | 4.93 | 324,199 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,793 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,994 |
| Roman Names for Places | 0 | - | 4.62 | 58,407 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,314 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,517 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,071 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,525 |
| Switzerland A-Z | 0 | - | 4.45 | 25,691 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,819 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,880 |
| Malta Country Quiz | 0 | - | 4.81 | 31,117 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,230 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,846 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,521 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,368 |
| History of Russia Quiz | 0 | - | 4.47 | 31,956 |
| Word Chain - Russia | 0 | - | 4.33 | 15,772 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,782 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,074 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,263 |
| Movies Set in France | 0 | - | 4.26 | 13,134 |
| French Inventions | 0 | - | 4.10 | 13,910 |
| French Foods | 0 | - | 4.00 | 27,726 |
| History of Paris | 0 | - | 4.24 | 13,660 |
| The Trojan War | 0 | - | 4.83 | 39,803 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,271 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,532 |
| Italian Inventions | 0 | - | 3.81 | 18,462 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,511 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,723 |
| Famous Nordic People | 0 | - | 4.34 | 20,175 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,436 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,994 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,528 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,624 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,300 |
| Geography of Spain | 0 | - | 4.59 | 22,107 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,546 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,358 |
| People on Money - England | 0 | - | 4.29 | 16,625 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,730 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,115 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,622 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,268 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,996 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,394 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,794 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,348 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,012 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,342 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,216 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,026 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,294 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,848 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,895 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,896 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,555 |
| Capitals of French Regions | 0 | - | 4.45 | 16,117 |
| Kings of France Quiz | 0 | - | 4.20 | 32,820 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,403 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,962 |
| Ancient Greek Words | 0 | - | 4.93 | 111,927 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,205 |
