| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,932 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,145 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,748 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,052 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,969 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,387 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,382 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,085 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,402 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,459 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,159 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,308 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,972 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,763 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,102 |
| Official European Union Languages | 0 | - | 4.97 | 238,440 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,810 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,084 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,673 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,087 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,826 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,100,901 |
| 7 Deadly Sins | 0 | - | 4.88 | 400,120 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,522 |
| Random Country to Capital | 0 | - | 4.98 | 920,068 |
| Celtic Nations | 0 | - | 4.69 | 46,934 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,081 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 117,703 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,806 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,479 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,424 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,534 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,479 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,789 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,650 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,967 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,379 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,263 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,927 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,211 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,227 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,555 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,346 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,415 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,578 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,495 |
| Famous Germans | 0 | - | 4.50 | 55,276 |
| German Groups of Things | 0 | - | 4.46 | 38,472 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,341 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,981 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,456 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,259 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,714 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,097,185 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,598 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,508 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,328 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,085 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,402 |
| Monarchies of Europe | 0 | - | 4.90 | 98,112 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,044 |
| States of Germany | 0 | - | 4.96 | 152,434 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,007 |
| Regions of Italy | 0 | - | 4.92 | 75,833 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,119 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,906 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,179 |
| Champions League Winners | 0 | - | 4.92 | 1,006,235 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,486 |
| Monarchies of Asia | 0 | - | 4.97 | 71,073 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,869 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,749 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 338,791 |
| Random Countries by Borders | 0 | - | 4.99 | 82,403 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,764 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,997 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,970 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,129 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,140 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,481 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,019 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,691 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,251 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,140 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,968 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,438 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,862 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,522 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,837 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,972 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,655 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,465 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,108 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,688 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,895 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,662 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,158 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,081 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,961 |
| European Geography A-Z | 0 | - | 4.29 | 49,260 |
| Word Scramble - European Cities | 0 | - | 3.84 | 18,913 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,128 |
| Famous French People | 0 | - | 4.06 | 35,533 |
| Departments of France | 0 | - | 4.93 | 54,059 |
| Word Chain - France | 0 | - | 4.38 | 42,772 |
| The Mafia Quiz | 0 | - | 4.46 | 23,316 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,541 |
| History of The Netherlands | 0 | - | 4.46 | 17,429 |
| British Groups of Things | 0 | - | 4.25 | 82,862 |
| British Acronyms | 0 | - | 4.40 | 45,793 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,034 |
| British Monopoly Board | 0 | - | 4.52 | 41,164 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,760 |
| Name the English Monarchs | 0 | - | 4.91 | 502,439 |
| England or Wales? | 0 | - | 4.94 | 45,673 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,276 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,947 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,534 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,979 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,471 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,918 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,745 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,595 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,654 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,891 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,424 |
| Slavic Languages | 0 | - | 4.68 | 54,348 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,763 |
| France A-Z | 0 | - | 4.16 | 38,197 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,168 |
| Name that Greek Letter | 0 | - | 4.93 | 323,376 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,606 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,456 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,020 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,833 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,174 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,589 |
| Star Wars Quotes | 0 | - | 4.86 | 184,258 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,469 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,084 |
| Name a Country A-Z | 0 | - | 5.00 | 243,239 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,979 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,678 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,142 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,621 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,606 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,889 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,038 |
| History of Russia Quiz | 0 | - | 4.47 | 31,913 |
| Word Chain - Russia | 0 | - | 4.33 | 15,746 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,720 |
| Russian History A-Z | 0 | - | 4.38 | 31,692 |
| Word Chain - Germany | 0 | - | 4.31 | 22,583 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,134 |
| The Trojan War | 0 | - | 4.83 | 39,715 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,789 |
| Famous Irish People | 0 | - | 4.05 | 45,994 |
| History of Italy | 0 | - | 4.55 | 31,968 |
| Word Chain - Italy | 0 | - | 4.07 | 23,162 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,762 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,512 |
| Roman Emperors | 0 | - | 4.95 | 119,980 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,652 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,397 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,614 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,221 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,339 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,526 |
| People on Money - England | 0 | - | 4.29 | 16,610 |
| Name a Valid English City | 0 | - | 4.19 | 16,721 |
| British Geography A-Z | 0 | - | 4.42 | 19,514 |
| London A-Z | 0 | - | 4.10 | 40,768 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,342 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,070 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,255 |
| Famous People from Africa | 0 | - | 4.45 | 10,949 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,963 |
| Word Chain - Africa | 0 | - | 4.47 | 31,611 |
| Four Letter African Geography | 0 | - | 4.67 | 19,279 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,178 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,124 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,961 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,628 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,974 |
| Capitals of French Regions | 0 | - | 4.45 | 16,066 |
| Regions of France | 0 | - | 4.72 | 120,724 |
| France Immigration by Country | 0 | - | 4.70 | 76,493 |
| Kings of France Quiz | 0 | - | 4.20 | 32,736 |
| Capitals of German States | 0 | - | 4.74 | 28,949 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,325 |
| Germany True or False? | 0 | - | 4.61 | 48,789 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,990 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,628 |
| Ancient Greek Words | 0 | - | 4.93 | 111,548 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,332 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,213 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,121 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,656 |
| Famous Scottish People | 0 | - | 4.22 | 18,392 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,121 |
