| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,145 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,121 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,473 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,846 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,526 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,132 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,257 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,457 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,313 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,919 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,391 |
| 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 | 532,828 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,524 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,065 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,847 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,023 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,182 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,191 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,579 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,494 |
| 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 | 239,963 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,757 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,204 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,402 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,083 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,539 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,257 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,443 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,451 |
| Celtic Nations | 0 | - | 4.61 | 47,115 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,311 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,711 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,213 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,572 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,242 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,743 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,261 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,872 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,149 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,753 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,550 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,223 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,486 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,451 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,542 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,092 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,003 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,260 |
| 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 | 20,771 |
| Famous Germans | 0 | - | 4.50 | 55,841 |
| 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 | 32,498 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,485 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,425 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,275 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,103,093 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,667 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,734 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,914 |
| Monarchies of Europe | 0 | - | 4.90 | 98,983 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,767 |
| States of Germany | 0 | - | 4.95 | 154,779 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,762 |
| Regions of Italy | 0 | - | 4.92 | 77,199 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,863 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,484 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,845 |
| Name a Valid English City | 0 | - | 4.19 | 16,835 |
| Champions League Winners | 0 | - | 4.92 | 1,017,245 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,087 |
| Monarchies of Asia | 0 | - | 4.97 | 71,568 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,326 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,605 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,439 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,569 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 343,691 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,780 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,814 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,361 |
| 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 | 17,849 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,433 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,913 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,124 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,665 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,133 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,368 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,621 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,327 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,097 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,682 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,323 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,708 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,681 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,919 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,981 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,008 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,898 |
| European Geography A-Z | 0 | - | 4.29 | 49,507 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,380 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,076 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,032 |
| Famous French People | 0 | - | 4.05 | 36,135 |
| Departments of France | 0 | - | 4.93 | 55,307 |
| Word Chain - France | 0 | - | 4.38 | 42,950 |
| The Mafia Quiz | 0 | - | 4.46 | 23,446 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,761 |
| 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 | 507,073 |
| England or Wales? | 0 | - | 4.94 | 45,999 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,344 |
| 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 | 95,556 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,914 |
| 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 | 123,357 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,012 |
| Slavic Languages | 0 | - | 4.67 | 54,744 |
| 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 | 652,559 |
| Name that Greek Letter | 0 | - | 4.93 | 325,157 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,752 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,656 |
| 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 | 276,846 |
| Word Chain - Africa | 0 | - | 4.47 | 31,726 |
| Literary Quotes #1 | 0 | - | 4.49 | 34,197 |
| Star Wars Quotes | 0 | - | 4.86 | 186,419 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,616 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,179 |
| Name a Country A-Z | 0 | - | 5.00 | 246,052 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,376 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,150 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,948 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,606 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,241 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,951 |
| 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 | 32,273 |
| 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 | 113,094 |
| Famous Irish People | 0 | - | 4.05 | 46,076 |
| History of Italy | 0 | - | 4.55 | 32,169 |
| 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 | 121,351 |
| 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 | 77,455 |
| 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 | 19,624 |
| 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 | 280,892 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,574 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,422 |
| Name a Valid Answer - NBA | 0 | - | 4.41 | 83,832 |
| 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 | 4,791,314 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,221 |
| 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 | 32,954 |
| 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 | 48,545 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,163 |
| Ancient Greek Words | 0 | - | 4.93 | 112,595 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,875 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,902 |
