| European Countries by First 2 Letters | 0 | - | 4.95 | 530,050 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,101 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,236 |
| Official European Union Languages | 0 | - | 4.97 | 238,709 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,988 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,586 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,338 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,597 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,124 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,350 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,041 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,812 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,868 |
| Italian Foods | 0 | - | 4.30 | 72,851 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Celtic Nations | 0 | - | 4.69 | 46,967 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,797 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,453 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,890 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,376 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,396 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,123 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,121 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,317 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,980 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,265 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,264 |
| German Groups of Things | 0 | - | 4.46 | 38,496 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,365 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,205 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,245 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,532 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,744 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,137 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,650 |
| States of Germany | 0 | - | 4.95 | 152,887 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,165 |
| Regions of Italy | 0 | - | 4.92 | 76,082 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,295 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,162 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,296 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,724 |
| Champions League Winners | 0 | - | 4.91 | 1,008,332 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,413 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,816 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,531 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,468 |
| Name a Valid African Country | 0 | - | 4.98 | 154,226 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,679 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,621 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,713 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,667 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,781 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,295 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,540 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,880 |
| Slavic Languages | 0 | - | 4.68 | 54,415 |
| Departments of France | 0 | - | 4.93 | 54,275 |
| Word Chain - France | 0 | - | 4.38 | 42,801 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,636 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,566 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,492 |
| British Groups of Things | 0 | - | 4.25 | 82,891 |
| British to American Food Translation | 0 | - | 3.38 | 51,972 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,046 |
| England or Wales? | 0 | - | 4.94 | 45,749 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,704 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,196 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,937 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,128 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,891 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,425 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,547 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,214 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,413 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,209 |
| History of Russia Quiz | 0 | - | 4.47 | 31,940 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,758 |
| French Foods | 0 | - | 4.00 | 27,711 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,192 |
| Name that Greek Letter | 0 | - | 4.93 | 324,003 |
| History of Italy | 0 | - | 4.55 | 32,024 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,861 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,697 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,630 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,271 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,722 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,030 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,613 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,876 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 90,114 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,294 |
| Countries by Milk Production | 0 | - | 4.54 | 44,029 |
| American Foods | 0 | - | 3.66 | 39,392 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,655 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,192 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,057 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,505 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,951 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,247 |
| Capitals of French Regions | 0 | - | 4.45 | 16,093 |
| Capitals of German States | 0 | - | 4.74 | 28,975 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,364 |
| Word Chain - Germany | 0 | - | 4.31 | 22,600 |
| The Trojan War | 0 | - | 4.83 | 39,768 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,026 |
| Word Chain - Italy | 0 | - | 4.07 | 23,171 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,597 |
| Roman Emperors | 0 | - | 4.95 | 120,228 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,422 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,427 |
| Geography of Spain | 0 | - | 4.59 | 22,090 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,349 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,313 |
| Name a Valid English City | 0 | - | 4.19 | 16,738 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,038 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,298 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,921 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,982 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,189 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,226 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,468 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,855 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,152 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,786 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,644 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,849 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,662 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,960 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,807 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,102 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,555 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,699 |
| Regions of France | 0 | - | 4.72 | 121,002 |
| France Immigration by Country | 0 | - | 4.70 | 76,599 |
| Famous Germans | 0 | - | 4.50 | 55,352 |
| Germany True or False? | 0 | - | 4.61 | 48,844 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,079 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,399 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,568 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,443 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,941 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,290 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,018 |
| Asia Map Quiz | 0 | - | 4.99 | 918,026 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,528 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,578 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,266 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,342 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 81,159 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,974 |
| African East Coast | 0 | - | 4.96 | 96,155 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,031 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,812 |
| Word Chain - Australia | 0 | - | 4.38 | 38,156 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,563 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,544 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,706 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,297 |
| European Physical Geography | 0 | - | 4.26 | 33,525 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,458 |
| Country Codes of Europe | 0 | - | 3.43 | 13,738 |
| The Only European Country ... | 0 | - | 4.91 | 217,029 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,368 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,230 |
| Geography of Russia | 0 | - | 4.57 | 21,548 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,989 |
| History of Austria | 0 | - | 4.70 | 17,881 |
| Presidents of France | 0 | - | 4.25 | 24,172 |
| Geography of the French Empire | 0 | - | 4.45 | 27,133 |
| The French Revolution | 0 | - | 4.47 | 24,031 |
| France Multiple Choice | 0 | - | 4.39 | 40,752 |
| History of France | 0 | - | 4.59 | 57,149 |
| Ancient Greek Words | 0 | - | 4.93 | 111,767 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,212 |
| The Vikings! | 0 | - | 4.46 | 28,357 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,173 |
| The Portuguese Empire | 0 | - | 4.58 | 12,076 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,057 |
| American to British Word Translation | 0 | - | 4.14 | 139,200 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,925 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,094 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,687 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,572 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,893 |
| Champions League Top 4 | 0 | - | 4.77 | 136,911 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,109 |
| Sushi Translation | 0 | - | 4.08 | 13,953 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,600 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,445 |
| Countries of Africa | 0 | - | 5.00 | 2,541,126 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,060 |
| Australia Map Quiz | 0 | - | 4.95 | 344,863 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,779 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,373 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,591 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,502 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,203 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,764 |
