| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,139 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,117 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,473 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,845 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,524 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,128 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,256 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,454 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,310 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,918 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,387 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,472 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,360 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,826 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,522 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,062 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,846 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,019 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,180 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,190 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,579 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,493 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,176 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,811 |
| Official European Union Languages | 0 | - | 4.97 | 239,960 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,752 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,202 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,400 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,082 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,531 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,256 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,443 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,448 |
| Celtic Nations | 0 | - | 4.61 | 47,115 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,306 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,709 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,210 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,565 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,239 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,739 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,259 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,869 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,148 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,750 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,548 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,220 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,483 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,449 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,540 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,092 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,001 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,257 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,884 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,591 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,770 |
| Famous Germans | 0 | - | 4.50 | 55,840 |
| German Groups of Things | 0 | - | 4.47 | 38,653 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,724 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,496 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,484 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,425 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,263 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,103,080 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,665 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,732 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,914 |
| Monarchies of Europe | 0 | - | 4.90 | 98,978 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,763 |
| States of Germany | 0 | - | 4.95 | 154,776 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,761 |
| Regions of Italy | 0 | - | 4.92 | 77,197 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,863 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,483 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,844 |
| Name a Valid English City | 0 | - | 4.19 | 16,835 |
| Champions League Winners | 0 | - | 4.92 | 1,017,231 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,085 |
| Monarchies of Asia | 0 | - | 4.97 | 71,568 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,325 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,605 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,438 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,569 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 343,682 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,772 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,813 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,355 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,785 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,406 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,848 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,431 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,909 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,121 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,661 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,132 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,366 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,619 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,323 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,094 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,680 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,321 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,706 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,680 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,917 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,979 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,007 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,897 |
| European Geography A-Z | 0 | - | 4.29 | 49,507 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,375 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,067 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,032 |
| Famous French People | 0 | - | 4.05 | 36,134 |
| Departments of France | 0 | - | 4.93 | 55,302 |
| Word Chain - France | 0 | - | 4.38 | 42,950 |
| The Mafia Quiz | 0 | - | 4.46 | 23,446 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,760 |
| History of The Netherlands | 0 | - | 4.46 | 17,565 |
| British Groups of Things | 0 | - | 4.26 | 83,034 |
| British Acronyms | 0 | - | 4.40 | 45,954 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| British Monopoly Board | 0 | - | 4.52 | 41,282 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,183 |
| Name the English Monarchs | 0 | - | 4.91 | 507,067 |
| England or Wales? | 0 | - | 4.94 | 45,999 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,341 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,793 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,888 |
| Name a Valid African Country | 0 | - | 4.98 | 155,160 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,553 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,912 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,761 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,732 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,339 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,011 |
| Slavic Languages | 0 | - | 4.67 | 54,743 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,119 |
| France A-Z | 0 | - | 4.16 | 38,353 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,541 |
| Name that Greek Letter | 0 | - | 4.93 | 325,155 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,752 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,655 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,097 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,349 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,834 |
| Word Chain - Africa | 0 | - | 4.47 | 31,726 |
| Literary Quotes #1 | 0 | - | 4.49 | 34,183 |
| Star Wars Quotes | 0 | - | 4.86 | 186,416 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,614 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,178 |
| Name a Country A-Z | 0 | - | 5.00 | 246,050 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,374 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,143 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,946 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,605 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,241 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,950 |
| History of Russia Quiz | 0 | - | 4.47 | 32,012 |
| Word Chain - Russia | 0 | - | 4.33 | 15,800 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,890 |
| Russian History A-Z | 0 | - | 4.35 | 32,271 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,755 |
| Word Chain - Germany | 0 | - | 4.31 | 22,693 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,251 |
| The Trojan War | 0 | - | 4.83 | 40,031 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,092 |
| Famous Irish People | 0 | - | 4.05 | 46,076 |
| History of Italy | 0 | - | 4.55 | 32,167 |
| Word Chain - Italy | 0 | - | 4.07 | 23,227 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,454 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,650 |
| Roman Emperors | 0 | - | 4.95 | 121,348 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,839 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,492 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,647 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,454 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,420 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,583 |
| People on Money - England | 0 | - | 4.29 | 16,647 |
| British Geography A-Z | 0 | - | 4.42 | 19,623 |
| London A-Z | 0 | - | 4.10 | 40,889 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,819 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,890 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,567 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,420 |
| Name a Valid Answer - NBA | 0 | - | 4.41 | 83,830 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,568 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,796 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,261 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,220 |
| Capitals of French Regions | 0 | - | 4.45 | 16,191 |
| Regions of France | 0 | - | 4.70 | 122,261 |
| France Immigration by Country | 0 | - | 4.70 | 76,979 |
| Kings of France Quiz | 0 | - | 4.21 | 32,953 |
| Capitals of German States | 0 | - | 4.74 | 29,085 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,571 |
| Germany True or False? | 0 | - | 4.61 | 49,049 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,543 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,158 |
| Ancient Greek Words | 0 | - | 4.93 | 112,593 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,874 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,900 |
