| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,104 |
| 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 | 526,223 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,282 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,311 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,415 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,113 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,087 |
| Departments of France | 0 | - | 4.93 | 52,749 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,354 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,469 |
| England or Wales? | 0 | - | 4.94 | 45,303 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,560 |
| Official European Union Languages | 0 | - | 4.97 | 236,463 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,659 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,058 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,791 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,573 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,436 |
| The Trojan War | 0 | - | 4.83 | 39,419 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,485 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,023 |
| Roman Emperors | 0 | - | 4.95 | 118,408 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,645 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,497 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,609 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,520 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,133 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,874 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,400 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,823 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,709 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,752 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,033 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,907 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,639 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,232 |
| 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 | 69,929 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,968 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,090 |
| German Groups of Things | 0 | - | 4.46 | 38,297 |
| Geography of Spain | 0 | - | 4.59 | 21,953 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,051 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,915 |
| Champions League Winners | 0 | - | 4.92 | 995,879 |
| NFL Football Last Names | 0 | - | 4.43 | 170,501 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,991 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,252 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,071 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,301 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,180 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,184 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,734 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,875 |
| Countries Bordering France | 0 | - | 4.85 | 398,517 |
| States of Germany | 0 | - | 4.96 | 149,950 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,989 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,922 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,509 |
| Regions of Italy | 0 | - | 4.92 | 74,656 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,780 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,680 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,264 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,098 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,195 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,311 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,078 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,456 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,621 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,606 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,058 |
| Name a Valid African Country | 0 | - | 4.98 | 152,892 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,385 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,124 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,584 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,167 |
| Austria... or Australia? | 0 | - | 4.68 | 103,842 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,134 |
| Word Chain - France | 0 | - | 4.38 | 42,573 |
| Germany Country Quiz | 0 | - | 4.82 | 156,480 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,106 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,760 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Italy Country Quiz | 0 | - | 4.82 | 122,149 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,321 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,031 |
| Italian Foods | 0 | - | 4.30 | 72,149 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,929 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,926 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,595 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,730 |
| British Groups of Things | 0 | - | 4.25 | 82,664 |
| British to American Food Translation | 0 | - | 3.38 | 51,811 |
| UK Immigration by Country | 0 | - | 4.94 | 139,548 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,079 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,200 |
| Name the English Monarchs | 0 | - | 4.92 | 497,720 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,416 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,668 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,518 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,012 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,500 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,495 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,829 |
| 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 | 140,965 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,950 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,774 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,931 |
| Slavic Languages | 0 | - | 4.67 | 53,958 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,853 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,374 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,550 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,746 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,482 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,960 |
| France A-Z | 0 | - | 4.16 | 38,050 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,503 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,782 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,324 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,200 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,572 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,637 |
| Name that Greek Letter | 0 | - | 4.94 | 321,559 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,864 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,423 |
| Counties of Ireland | 0 | - | 4.92 | 192,971 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,423 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,422 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,846 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,255 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,526 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,656 |
| Roman Names for Places | 0 | - | 4.62 | 57,861 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,238 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,225 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,440 |
| Switzerland A-Z | 0 | - | 4.45 | 25,500 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,210 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,538 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,430 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,158 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,681 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,741 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,872 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,163 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,327 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,409 |
| MLB Baseball Last Names | 0 | - | 4.32 | 18,944 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,423 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,078 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,557 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,663 |
| Word Chain - Germany | 0 | - | 4.31 | 22,474 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,981 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,703 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,194 |
| Famous Irish People | 0 | - | 4.05 | 45,853 |
| History of Italy | 0 | - | 4.55 | 31,808 |
| Word Chain - Italy | 0 | - | 4.07 | 23,085 |
| 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 | 42,324 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,234 |
| Name a Valid English City | 0 | - | 4.19 | 16,627 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,073 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,578 |
| London A-Z | 0 | - | 4.10 | 40,632 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,798 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,450 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,853 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,352 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,855 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,785 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,661 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,185 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,835 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,639 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,603 |
| 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 | 4,729,838 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,572 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,128 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,598 |
| Capitals of French Regions | 0 | - | 4.45 | 15,982 |
| Regions of France | 0 | - | 4.78 | 119,166 |
| France Immigration by Country | 0 | - | 4.72 | 75,941 |
