| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,639 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,204 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,897 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,962 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,542 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,433 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,529 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,253 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,242 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,522 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,067 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,349 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,385 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,481 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,993 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,224 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,263 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,106 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,113 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,030 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,962 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,415 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,043 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,170 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,516 |
| Official European Union Languages | 0 | - | 4.97 | 236,338 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,597 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,815 |
| Word Scramble - European Countries | 0 | - | 4.74 | 140,906 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,525 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,246 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,831 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,830 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 93,373 |
| Celtic Nations | 0 | - | 4.69 | 46,796 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,303 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 110,814 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,761 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,631 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,156 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,767 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,619 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,579 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,986 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,233 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,959 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,574 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,907 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,945 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,548 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,773 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,555 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,507 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,060 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,081 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,570 |
| Famous Germans | 0 | - | 4.50 | 54,555 |
| German Groups of Things | 0 | - | 4.46 | 38,288 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,007 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,241 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,024 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,088 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,089,760 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,863 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,970 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,250 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,146 |
| Monarchies of Europe | 0 | - | 4.90 | 97,202 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,571 |
| States of Germany | 0 | - | 4.96 | 149,762 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,900 |
| Regions of Italy | 0 | - | 4.92 | 74,592 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,727 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,133 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,051 |
| Name a Valid English City | 0 | - | 4.19 | 16,623 |
| Champions League Winners | 0 | - | 4.92 | 994,991 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,926 |
| Monarchies of Asia | 0 | - | 4.97 | 70,536 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,377 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,035 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 331,951 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,872 |
| Random Name a Valid Country | 0 | - | 4.99 | 202,990 |
| Name a Valid Island Country | 0 | - | 4.96 | 113,934 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,185 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,094 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,481 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,157 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| Name a Valid African Country | 0 | - | 4.98 | 152,805 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,999 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 742,732 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,022 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,477 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,149 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,387 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,836 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,204 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,428 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,101 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,880 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,264 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,366 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,472 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,161 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,020 |
| European Geography A-Z | 0 | - | 4.28 | 48,948 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,244 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,013 |
| Departments of France | 0 | - | 4.93 | 52,643 |
| Word Chain - France | 0 | - | 4.38 | 42,565 |
| The Mafia Quiz | 0 | - | 4.46 | 23,193 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,341 |
| History of The Netherlands | 0 | - | 4.46 | 17,297 |
| British Groups of Things | 0 | - | 4.25 | 82,656 |
| British Acronyms | 0 | - | 4.39 | 45,600 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,940 |
| British Monopoly Board | 0 | - | 4.52 | 41,017 |
| Name the English Monarchs | 0 | - | 4.92 | 497,333 |
| England or Wales? | 0 | - | 4.94 | 45,277 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,270 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,446 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,927 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,040 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,115 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,420 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,592 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,787 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,736 |
| Slavic Languages | 0 | - | 4.67 | 53,927 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,484 |
| France A-Z | 0 | - | 4.16 | 38,041 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,136 |
| Name that Greek Letter | 0 | - | 4.94 | 321,426 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,404 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,223 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,901 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 108,039 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 272,960 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,355 |
| Star Wars Quotes | 0 | - | 4.84 | 173,245 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,495 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,796 |
| Name a Country A-Z | 0 | - | 5.00 | 239,983 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,262 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,882 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,322 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,776 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,550 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,505 |
| Top European Languages on a Map | 0 | - | 4.77 | 130,982 |
| History of Russia Quiz | 0 | - | 4.49 | 31,771 |
| Word Chain - Russia | 0 | - | 4.33 | 15,680 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,542 |
| Famous French People | 0 | - | 4.12 | 27,865 |
| Word Chain - Germany | 0 | - | 4.31 | 22,466 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,965 |
| The Trojan War | 0 | - | 4.83 | 39,393 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,332 |
| Famous Irish People | 0 | - | 4.05 | 45,845 |
| History of Italy | 0 | - | 4.55 | 31,799 |
| Word Chain - Italy | 0 | - | 4.07 | 23,076 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,083 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,958 |
| Roman Emperors | 0 | - | 4.95 | 118,279 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,460 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,276 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,538 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,960 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,232 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,454 |
| People on Money - England | 0 | - | 4.29 | 16,557 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,282 |
| London A-Z | 0 | - | 4.10 | 40,622 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,896 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,913 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,126 |
| Famous People from Africa | 0 | - | 4.45 | 10,851 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,784 |
| Word Chain - Africa | 0 | - | 4.47 | 31,429 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,675 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,305 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,115 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,714 |
| Capitals of French Regions | 0 | - | 4.45 | 15,977 |
| Regions of France | 0 | - | 4.78 | 119,028 |
| France Immigration by Country | 0 | - | 4.72 | 75,911 |
| Kings of France Quiz | 0 | - | 4.20 | 32,535 |
| Capitals of German States | 0 | - | 4.74 | 28,795 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,074 |
| Germany True or False? | 0 | - | 4.61 | 48,501 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,381 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,615 |
| Ancient Greek Words | 0 | - | 4.92 | 110,534 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,718 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,851 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,795 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,182 |
| Famous Scottish People | 0 | - | 4.22 | 18,318 |
