| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,699 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,820 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,729 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,441 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,125 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,425 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,164 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,645 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,161 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,397 |
| Departments of France | 0 | - | 4.93 | 54,317 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,576 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,632 |
| England or Wales? | 0 | - | 4.94 | 45,755 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,253 |
| Official European Union Languages | 0 | - | 4.97 | 238,737 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,017 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,657 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,316 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,296 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,121 |
| The Trojan War | 0 | - | 4.83 | 39,772 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,052 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,602 |
| Roman Emperors | 0 | - | 4.95 | 120,251 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,815 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,780 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,049 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,876 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,600 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,946 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,472 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,953 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,480 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,410 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,133 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,030 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,297 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,411 |
| Celtic Nations | 0 | - | 4.69 | 46,969 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,321 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,983 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,271 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,272 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,248 |
| German Groups of Things | 0 | - | 4.46 | 38,499 |
| Geography of Spain | 0 | - | 4.59 | 22,091 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,907 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,357 |
| Champions League Winners | 0 | - | 4.91 | 1,008,588 |
| NFL Football Last Names | 0 | - | 4.43 | 171,675 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,373 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,214 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,565 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,264 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,264 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,782 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,162 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,693 |
| Countries Bordering France | 0 | - | 4.83 | 403,017 |
| States of Germany | 0 | - | 4.95 | 152,922 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,185 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,932 |
| Regions of Italy | 0 | - | 4.92 | 76,103 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,320 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,179 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,976 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,201 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,317 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,105 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,728 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,437 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,898 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,112 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,836 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,291 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,483 |
| Name a Valid African Country | 0 | - | 4.98 | 154,239 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,716 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,536 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,614 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,901 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,740 |
| Austria... or Australia? | 0 | - | 4.68 | 104,448 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,967 |
| Word Chain - France | 0 | - | 4.38 | 42,809 |
| Germany Country Quiz | 0 | - | 4.83 | 158,059 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,504 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,045 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,938 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,535 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,194 |
| Italian Foods | 0 | - | 4.30 | 72,866 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,377 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,031 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,829 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,153 |
| British Groups of Things | 0 | - | 4.25 | 82,893 |
| British to American Food Translation | 0 | - | 3.38 | 51,974 |
| UK Immigration by Country | 0 | - | 4.94 | 141,056 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,047 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,033 |
| British Monopoly Board | 0 | - | 4.52 | 41,184 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,830 |
| Name the English Monarchs | 0 | - | 4.91 | 503,427 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,759 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,210 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,960 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,142 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,677 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,627 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,248 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,627 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,668 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,799 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,358 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,555 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,245 |
| Slavic Languages | 0 | - | 4.68 | 54,422 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,971 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,632 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,463 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,959 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,077 |
| France A-Z | 0 | - | 4.16 | 38,234 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,919 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,237 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,630 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,096 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,030 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,285 |
| Name that Greek Letter | 0 | - | 4.93 | 324,037 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,786 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,692 |
| Counties of Ireland | 0 | - | 4.92 | 195,792 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,640 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,938 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,588 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,208 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,772 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,975 |
| Roman Names for Places | 0 | - | 4.62 | 58,361 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,387 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,835 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,499 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,208 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,020 |
| Switzerland A-Z | 0 | - | 4.45 | 25,666 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,259 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,074 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,821 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,579 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,751 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,923 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,194 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,049 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 489,943 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 713,349 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,124 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,515 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,231 |
| History of Russia Quiz | 0 | - | 4.47 | 31,941 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,762 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,995 |
| Word Chain - Germany | 0 | - | 4.31 | 22,601 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,160 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,475 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,286 |
| Famous Irish People | 0 | - | 4.05 | 46,011 |
| History of Italy | 0 | - | 4.55 | 32,029 |
| Word Chain - Italy | 0 | - | 4.07 | 23,174 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,873 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,703 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,950 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,276 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,349 |
| Name a Valid English City | 0 | - | 4.19 | 16,738 |
| British Geography A-Z | 0 | - | 4.42 | 19,538 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,688 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,680 |
| London A-Z | 0 | - | 4.10 | 40,797 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,987 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,448 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,227 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,489 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,908 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,182 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,806 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,656 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,872 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,671 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,967 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,813 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,108 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,570 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,626 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,704 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,512 |
| Capitals of French Regions | 0 | - | 4.45 | 16,095 |
| Regions of France | 0 | - | 4.72 | 121,034 |
