| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,855 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,665 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,342 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,264 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,558 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,514 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,249 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,362 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,267 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,304 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,248 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,886 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,141 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,772 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,615 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,610 |
| Official European Union Languages | 0 | - | 4.97 | 236,997 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,735 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,406 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,024 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,748 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,577 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,558 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,248 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,668 |
| Random Country to Capital | 0 | - | 4.98 | 912,053 |
| Celtic Nations | 0 | - | 4.69 | 46,820 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,431 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,935 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,878 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,743 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,249 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,950 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,697 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,654 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,041 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,340 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,008 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,638 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,963 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,004 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,616 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,887 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,952 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,071 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,152 |
| Famous Germans | 0 | - | 4.50 | 54,647 |
| German Groups of Things | 0 | - | 4.46 | 38,310 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,056 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,577 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,069 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,230 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,091,096 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,935 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,189 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,016 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,384 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,398 |
| Monarchies of Europe | 0 | - | 4.90 | 97,368 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,125 |
| States of Germany | 0 | - | 4.96 | 150,196 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,072 |
| Regions of Italy | 0 | - | 4.92 | 74,794 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,868 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,434 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,250 |
| Champions League Winners | 0 | - | 4.92 | 996,912 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,016 |
| Monarchies of Asia | 0 | - | 4.97 | 70,621 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,450 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,123 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 333,097 |
| Random Countries by Borders | 0 | - | 4.99 | 81,704 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,518 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,678 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,937 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,448 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,423 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,171 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,559 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,247 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,535 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,814 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,128 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,400 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,242 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,550 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,244 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,689 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,924 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,306 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,513 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,188 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,942 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,308 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,413 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,527 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,289 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,151 |
| European Geography A-Z | 0 | - | 4.28 | 49,012 |
| Word Scramble - European Cities | 0 | - | 3.81 | 18,795 |
| Departments of France | 0 | - | 4.93 | 52,880 |
| Word Chain - France | 0 | - | 4.38 | 42,587 |
| The Mafia Quiz | 0 | - | 4.46 | 23,212 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,381 |
| History of The Netherlands | 0 | - | 4.46 | 17,320 |
| British Groups of Things | 0 | - | 4.25 | 82,699 |
| British Acronyms | 0 | - | 4.39 | 45,629 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,952 |
| British Monopoly Board | 0 | - | 4.52 | 41,041 |
| Name the English Monarchs | 0 | - | 4.92 | 498,204 |
| England or Wales? | 0 | - | 4.94 | 45,350 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,576 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,511 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,333 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,579 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,569 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,129 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,334 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,455 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,605 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,136 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,864 |
| Slavic Languages | 0 | - | 4.67 | 54,005 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,530 |
| France A-Z | 0 | - | 4.16 | 38,066 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,247 |
| Name that Greek Letter | 0 | - | 4.94 | 321,775 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,438 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,261 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,926 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,229 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,180 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,391 |
| Star Wars Quotes | 0 | - | 4.84 | 173,510 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,928 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,042 |
| Name a Country A-Z | 0 | - | 5.00 | 240,574 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,584 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,198 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,626 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,907 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,703 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,566 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,185 |
| History of Russia Quiz | 0 | - | 4.49 | 31,798 |
| Word Chain - Russia | 0 | - | 4.33 | 15,687 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,583 |
| Famous French People | 0 | - | 4.12 | 27,968 |
| Word Chain - Germany | 0 | - | 4.31 | 22,480 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,991 |
| The Trojan War | 0 | - | 4.83 | 39,453 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,624 |
| Famous Irish People | 0 | - | 4.05 | 45,860 |
| History of Italy | 0 | - | 4.55 | 31,830 |
| Word Chain - Italy | 0 | - | 4.07 | 23,093 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,202 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,081 |
| Roman Emperors | 0 | - | 4.95 | 118,554 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,288 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,547 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,990 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,244 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,474 |
| People on Money - England | 0 | - | 4.29 | 16,567 |
| Name a Valid English City | 0 | - | 4.19 | 16,633 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,347 |
| London A-Z | 0 | - | 4.10 | 40,645 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,973 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,178 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,147 |
| Famous People from Africa | 0 | - | 4.45 | 10,863 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,813 |
| Word Chain - Africa | 0 | - | 4.47 | 31,444 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,766 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,450 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,473 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,955 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,757 |
| Capitals of French Regions | 0 | - | 4.45 | 15,988 |
| Regions of France | 0 | - | 4.78 | 119,341 |
| France Immigration by Country | 0 | - | 4.72 | 75,988 |
| Kings of France Quiz | 0 | - | 4.20 | 32,569 |
| Capitals of German States | 0 | - | 4.74 | 28,816 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,107 |
| Germany True or False? | 0 | - | 4.61 | 48,542 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,486 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,571 |
| Ancient Greek Words | 0 | - | 4.92 | 110,742 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,854 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,020 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,202 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,398 |
| Famous Scottish People | 0 | - | 4.22 | 18,332 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,841 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,407 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,178 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,581 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,091 |
