| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,004 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,326 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,162 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,373 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,063 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,831 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,741 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,862 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,141 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,118 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,233 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,061 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,527 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,995 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,637 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,388 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,155 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,639 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,862 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,038 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,449 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,704 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,147 |
| Official European Union Languages | 0 | - | 4.97 | 238,554 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,886 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,278 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,711 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,842 |
| 7 Deadly Sins | 0 | - | 4.88 | 400,458 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,081 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,189 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,005 |
| Celtic Nations | 0 | - | 4.69 | 46,951 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,350 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,419 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,074 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,708 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,584 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,732 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,600 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,901 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,748 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,049 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,493 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,282 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,949 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,230 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,239 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,651 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,386 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,603 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 171,958 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,522 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,451 |
| Famous Germans | 0 | - | 4.50 | 55,304 |
| German Groups of Things | 0 | - | 4.46 | 38,481 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,363 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,018 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,516 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,274 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,139 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,097,678 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,911 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,340 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,133 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,487 |
| Monarchies of Europe | 0 | - | 4.90 | 98,166 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,314 |
| States of Germany | 0 | - | 4.96 | 152,657 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,055 |
| Regions of Italy | 0 | - | 4.92 | 75,917 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,191 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,980 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,222 |
| Name a Valid English City | 0 | - | 4.19 | 16,730 |
| Champions League Winners | 0 | - | 4.92 | 1,007,024 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,529 |
| Monarchies of Asia | 0 | - | 4.97 | 71,102 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,901 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,800 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 339,219 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,622 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,098 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,945 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,346 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,501 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,043 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,705 |
| Name a Valid African Country | 0 | - | 4.98 | 154,110 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,197 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,233 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,526 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,884 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,829 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,987 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,114 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,782 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,589 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,227 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,782 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,960 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,678 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,231 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,140 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,037 |
| European Geography A-Z | 0 | - | 4.29 | 49,276 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,174 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,117 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,743 |
| Famous French People | 0 | - | 4.06 | 35,604 |
| Departments of France | 0 | - | 4.93 | 54,160 |
| Word Chain - France | 0 | - | 4.38 | 42,782 |
| The Mafia Quiz | 0 | - | 4.46 | 23,326 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,551 |
| History of The Netherlands | 0 | - | 4.46 | 17,437 |
| British Groups of Things | 0 | - | 4.25 | 82,875 |
| British Acronyms | 0 | - | 4.40 | 45,801 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,038 |
| British Monopoly Board | 0 | - | 4.52 | 41,169 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,818 |
| Name the English Monarchs | 0 | - | 4.91 | 502,810 |
| England or Wales? | 0 | - | 4.94 | 45,701 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,403 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,980 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,032 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,030 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,811 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,605 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,659 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,012 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,470 |
| Slavic Languages | 0 | - | 4.68 | 54,376 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,778 |
| France A-Z | 0 | - | 4.16 | 38,209 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,586 |
| Name that Greek Letter | 0 | - | 4.93 | 323,489 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,623 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,472 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,022 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,875 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,310 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,612 |
| Star Wars Quotes | 0 | - | 4.86 | 184,475 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,190 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,158 |
| Name a Country A-Z | 0 | - | 5.00 | 243,510 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,099 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,790 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,241 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,664 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,678 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,912 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,113 |
| History of Russia Quiz | 0 | - | 4.47 | 31,920 |
| Word Chain - Russia | 0 | - | 4.33 | 15,757 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,735 |
| Russian History A-Z | 0 | - | 4.38 | 31,735 |
| Word Chain - Germany | 0 | - | 4.31 | 22,589 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,148 |
| The Trojan War | 0 | - | 4.83 | 39,734 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,871 |
| Famous Irish People | 0 | - | 4.05 | 45,997 |
| History of Italy | 0 | - | 4.55 | 31,979 |
| Word Chain - Italy | 0 | - | 4.07 | 23,165 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,798 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,544 |
| Roman Emperors | 0 | - | 4.95 | 120,079 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,664 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,401 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,614 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,241 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,344 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,533 |
| People on Money - England | 0 | - | 4.29 | 16,614 |
| British Geography A-Z | 0 | - | 4.42 | 19,523 |
| London A-Z | 0 | - | 4.10 | 40,778 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,364 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,188 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,265 |
| Name a Valid Answer - NBA | 0 | - | 4.41 | 82,730 |
| Famous People from Africa | 0 | - | 4.45 | 10,953 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,969 |
| Word Chain - Africa | 0 | - | 4.47 | 31,621 |
| Four Letter African Geography | 0 | - | 4.67 | 19,319 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,197 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,186 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,771 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,994 |
| Capitals of French Regions | 0 | - | 4.45 | 16,081 |
| Regions of France | 0 | - | 4.72 | 120,828 |
| France Immigration by Country | 0 | - | 4.70 | 76,531 |
| Kings of France Quiz | 0 | - | 4.20 | 32,751 |
| Capitals of German States | 0 | - | 4.74 | 28,956 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,343 |
| Germany True or False? | 0 | - | 4.61 | 48,812 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,033 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,945 |
| Ancient Greek Words | 0 | - | 4.93 | 111,631 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,367 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,263 |
