| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,004 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,321 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,050 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,039 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,251 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,507 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,602 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,493 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,456 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,395 |
| Departments of France | 0 | - | 4.93 | 55,461 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,795 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,409 |
| England or Wales? | 0 | - | 4.94 | 46,092 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,887 |
| Official European Union Languages | 0 | - | 4.97 | 240,459 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,878 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,564 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,554 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,847 |
| The Trojan War | 0 | - | 4.83 | 40,120 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,355 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,729 |
| Roman Emperors | 0 | - | 4.95 | 121,517 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,037 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,890 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,412 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,120 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,451 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,731 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,172 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,336 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,760 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,773 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,531 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,117 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,037 |
| Celtic Nations | 0 | - | 4.61 | 47,130 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,590 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,260 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,532 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,488 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,473 |
| German Groups of Things | 0 | - | 4.47 | 38,684 |
| Geography of Spain | 0 | - | 4.59 | 22,301 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,963 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,997 |
| Champions League Winners | 0 | - | 4.92 | 1,018,601 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,542 |
| NFL Football Last Names | 0 | - | 4.43 | 172,183 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,816 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,817 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,378 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,257 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,933 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,301 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,232 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,032 |
| Countries Bordering France | 0 | - | 4.83 | 405,494 |
| States of Germany | 0 | - | 4.95 | 155,046 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,856 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,370 |
| Regions of Italy | 0 | - | 4.92 | 77,316 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,963 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,452 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,456 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,678 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,955 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,500 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,879 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,358 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,638 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,518 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,639 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,767 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,942 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,961 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,841 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,549 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,622 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,194 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,019 |
| Austria... or Australia? | 0 | - | 4.67 | 104,876 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,047 |
| Word Chain - France | 0 | - | 4.38 | 42,975 |
| Germany Country Quiz | 0 | - | 4.82 | 159,148 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,303 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,302 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,081 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,485 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,285 |
| Italian Foods | 0 | - | 4.30 | 73,428 |
| Countries Italy Declared War On | 0 | - | 4.77 | 49,856 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,652 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,087 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,176 |
| British Groups of Things | 0 | - | 4.26 | 83,050 |
| British to American Food Translation | 0 | - | 3.38 | 52,066 |
| UK Immigration by Country | 0 | - | 4.94 | 141,949 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,136 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,370 |
| British Monopoly Board | 0 | - | 4.52 | 41,300 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,124 |
| Name the English Monarchs | 0 | - | 4.91 | 507,650 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,585 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,641 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 98,004 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,016 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,658 |
| Name a Valid African Country | 0 | - | 4.98 | 155,360 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,998 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,727 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,167 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,813 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,742 |
| Word Scramble - European Countries | 0 | - | 4.72 | 142,488 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,607 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,090 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,331 |
| Slavic Languages | 0 | - | 4.67 | 54,803 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,801 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,690 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,080 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,055 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,170 |
| France A-Z | 0 | - | 4.16 | 38,371 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,252 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,596 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,558 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,287 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,582 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,353 |
| Name that Greek Letter | 0 | - | 4.93 | 325,404 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,543 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,909 |
| Counties of Ireland | 0 | - | 4.92 | 197,782 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,765 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,400 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,332 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,781 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,416 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,282 |
| Roman Names for Places | 0 | - | 4.62 | 58,813 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,662 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 52,309 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,671 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,465 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,462 |
| Switzerland A-Z | 0 | - | 4.45 | 25,802 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,063 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,741 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,171 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,670 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,459 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,452 |
| Topological Map of Asia Quiz | 0 | - | 4.83 | 20,589 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,617 |
| Topological Map of Africa Quiz | 0 | - | 4.81 | 21,696 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,628 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,763 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,186 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,563 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,055 |
| History of Russia Quiz | 0 | - | 4.47 | 32,031 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,911 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,238 |
| Word Chain - Germany | 0 | - | 4.31 | 22,703 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,264 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,713 |
| Famous Irish People | 0 | - | 4.05 | 46,087 |
| History of Italy | 0 | - | 4.55 | 32,199 |
| Word Chain - Italy | 0 | - | 4.07 | 23,235 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,568 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,867 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,321 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,481 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,427 |
| Name a Valid English City | 0 | - | 4.19 | 16,848 |
| British Geography A-Z | 0 | - | 4.42 | 19,636 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,184 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,740 |
| London A-Z | 0 | - | 4.10 | 40,919 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,491 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,530 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,973 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,526 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,070 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,470 |
| European Geography By Letter - M | 0 | - | 4.70 | 133,009 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,416 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,992 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,267 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,907 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,125 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,651 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,638 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,803 |
| Capitals of French Regions | 0 | - | 4.45 | 16,216 |
| Regions of France | 0 | - | 4.70 | 122,498 |
| France Immigration by Country | 0 | - | 4.70 | 77,040 |
