| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,112 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,507 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,436 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,227 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,283 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,319 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,426 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,136 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,090 |
| Departments of France | 0 | - | 4.93 | 52,749 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,355 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,469 |
| England or Wales? | 0 | - | 4.94 | 45,305 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,563 |
| Official European Union Languages | 0 | - | 4.97 | 236,467 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,665 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,069 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,792 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,574 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,438 |
| The Trojan War | 0 | - | 4.83 | 39,419 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,489 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,027 |
| Roman Emperors | 0 | - | 4.95 | 118,414 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,646 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,498 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,611 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,521 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,135 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,877 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,422 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,825 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,743 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,763 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,034 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,908 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,661 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,234 |
| Celtic Nations | 0 | - | 4.69 | 46,806 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,979 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,606 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,932 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,969 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,091 |
| German Groups of Things | 0 | - | 4.46 | 38,298 |
| Geography of Spain | 0 | - | 4.59 | 21,954 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,057 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,917 |
| Champions League Winners | 0 | - | 4.92 | 995,917 |
| NFL Football Last Names | 0 | - | 4.43 | 170,503 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,992 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,308 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,254 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,071 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,304 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,185 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,185 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,737 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,885 |
| Countries Bordering France | 0 | - | 4.83 | 398,575 |
| States of Germany | 0 | - | 4.96 | 149,953 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,990 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,933 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,509 |
| Regions of Italy | 0 | - | 4.92 | 74,657 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,785 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,680 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,267 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,098 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,197 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,316 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,080 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,458 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,627 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,608 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,064 |
| Name a Valid African Country | 0 | - | 4.98 | 152,899 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,387 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,125 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,610 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,171 |
| Austria... or Australia? | 0 | - | 4.68 | 103,846 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,139 |
| Word Chain - France | 0 | - | 4.38 | 42,574 |
| Germany Country Quiz | 0 | - | 4.82 | 156,484 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,109 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,761 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Italy Country Quiz | 0 | - | 4.82 | 122,150 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,323 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,032 |
| Italian Foods | 0 | - | 4.31 | 72,151 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,931 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,929 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,603 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,731 |
| British Groups of Things | 0 | - | 4.25 | 82,667 |
| British to American Food Translation | 0 | - | 3.38 | 51,811 |
| UK Immigration by Country | 0 | - | 4.94 | 139,554 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,943 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,081 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,203 |
| Name the English Monarchs | 0 | - | 4.92 | 497,738 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,418 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,674 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,521 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,016 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,511 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,495 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,831 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,440 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,966 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,955 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,775 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,934 |
| Slavic Languages | 0 | - | 4.67 | 53,962 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,859 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,374 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,550 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,749 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,488 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,960 |
| France A-Z | 0 | - | 4.16 | 38,051 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,505 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,784 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,330 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,219 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,574 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,676 |
| Name that Greek Letter | 0 | - | 4.94 | 321,585 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,867 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,424 |
| Counties of Ireland | 0 | - | 4.92 | 192,975 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,423 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,424 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,849 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,259 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,527 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,656 |
| Roman Names for Places | 0 | - | 4.62 | 57,862 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,239 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,234 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,442 |
| Switzerland A-Z | 0 | - | 4.45 | 25,501 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,211 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,542 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,431 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,163 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,688 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,742 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,873 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,164 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,346 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,438 |
| MLB Baseball Last Names | 0 | - | 4.32 | 18,944 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,424 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,080 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,558 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,664 |
| Word Chain - Germany | 0 | - | 4.31 | 22,474 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,981 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,752 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,201 |
| Famous Irish People | 0 | - | 4.05 | 45,854 |
| History of Italy | 0 | - | 4.55 | 31,809 |
| Word Chain - Italy | 0 | - | 4.07 | 23,086 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,135 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,476 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,327 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,235 |
| Name a Valid English City | 0 | - | 4.19 | 16,627 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,074 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,579 |
| London A-Z | 0 | - | 4.10 | 40,633 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,799 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,462 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,854 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,352 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,855 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,789 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,661 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,186 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,837 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,639 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,604 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,005 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,273 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,962 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,573 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,128 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,599 |
| Capitals of French Regions | 0 | - | 4.45 | 15,982 |
| Regions of France | 0 | - | 4.78 | 119,169 |
| France Immigration by Country | 0 | - | 4.72 | 75,942 |
