| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,682 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,298 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,979 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,006 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,598 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,474 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,687 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,311 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,339 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,623 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,147 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,396 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,433 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,493 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,116 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,228 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,279 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,144 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,147 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,146 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,026 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,435 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,097 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,181 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,540 |
| Official European Union Languages | 0 | - | 4.97 | 236,397 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,622 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,940 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,931 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,540 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,439 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,839 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,840 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,399 |
| Celtic Nations | 0 | - | 4.69 | 46,800 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,328 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,838 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,774 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,645 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,168 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,797 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,629 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,593 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,996 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,254 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,966 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,589 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,916 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,960 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,560 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,801 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,633 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,625 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,082 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,103 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,583 |
| Famous Germans | 0 | - | 4.50 | 54,575 |
| German Groups of Things | 0 | - | 4.46 | 38,294 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,023 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,273 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,031 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,344 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,053 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,909 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,983 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,283 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,221 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,712 |
| States of Germany | 0 | - | 4.96 | 149,868 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,940 |
| Regions of Italy | 0 | - | 4.92 | 74,619 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,756 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,181 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,071 |
| Name a Valid English City | 0 | - | 4.19 | 16,624 |
| Champions League Winners | 0 | - | 4.92 | 995,392 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,944 |
| Monarchies of Asia | 0 | - | 4.97 | 70,551 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,396 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,061 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,195 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,064 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,078 |
| Name a Valid Island Country | 0 | - | 4.96 | 113,964 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,227 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,107 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,493 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,175 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,396 |
| Name a Valid African Country | 0 | - | 4.98 | 152,847 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,025 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 742,871 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,073 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,494 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,160 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,404 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,846 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,223 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,440 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,116 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,892 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,272 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,379 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,481 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,185 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,055 |
| European Geography A-Z | 0 | - | 4.28 | 48,969 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,413 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,085 |
| Departments of France | 0 | - | 4.93 | 52,703 |
| Word Chain - France | 0 | - | 4.38 | 42,570 |
| The Mafia Quiz | 0 | - | 4.46 | 23,194 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,348 |
| History of The Netherlands | 0 | - | 4.46 | 17,301 |
| British Groups of Things | 0 | - | 4.25 | 82,659 |
| British Acronyms | 0 | - | 4.39 | 45,605 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Name the English Monarchs | 0 | - | 4.92 | 497,541 |
| England or Wales? | 0 | - | 4.94 | 45,287 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,337 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,462 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,968 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,055 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,160 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,428 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,858 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,762 |
| Slavic Languages | 0 | - | 4.67 | 53,942 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,495 |
| France A-Z | 0 | - | 4.16 | 38,044 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,393 |
| Name that Greek Letter | 0 | - | 4.94 | 321,481 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,419 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,231 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,904 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,081 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,011 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,363 |
| Star Wars Quotes | 0 | - | 4.84 | 173,306 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,543 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,850 |
| Name a Country A-Z | 0 | - | 5.00 | 240,120 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,343 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,945 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,380 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,800 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,575 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,519 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,037 |
| History of Russia Quiz | 0 | - | 4.49 | 31,777 |
| Word Chain - Russia | 0 | - | 4.33 | 15,684 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,550 |
| Famous French People | 0 | - | 4.12 | 27,895 |
| Word Chain - Germany | 0 | - | 4.31 | 22,471 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,977 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,408 |
| Famous Irish People | 0 | - | 4.05 | 45,852 |
| History of Italy | 0 | - | 4.55 | 31,802 |
| Word Chain - Italy | 0 | - | 4.07 | 23,082 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,108 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,996 |
| Roman Emperors | 0 | - | 4.95 | 118,347 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,469 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,277 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,540 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,965 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,233 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,454 |
| People on Money - England | 0 | - | 4.29 | 16,559 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,294 |
| London A-Z | 0 | - | 4.10 | 40,626 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,913 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,986 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,131 |
| Famous People from Africa | 0 | - | 4.45 | 10,852 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,790 |
| Word Chain - Africa | 0 | - | 4.47 | 31,432 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,700 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,341 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,516 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,723 |
| Capitals of French Regions | 0 | - | 4.45 | 15,980 |
| Regions of France | 0 | - | 4.78 | 119,093 |
| France Immigration by Country | 0 | - | 4.72 | 75,928 |
| Kings of France Quiz | 0 | - | 4.20 | 32,543 |
| Capitals of German States | 0 | - | 4.74 | 28,799 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,083 |
| Germany True or False? | 0 | - | 4.61 | 48,512 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,422 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,228 |
| Ancient Greek Words | 0 | - | 4.92 | 110,596 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,741 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,885 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,902 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,232 |
| Famous Scottish People | 0 | - | 4.22 | 18,321 |
