| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,690 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,423 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,818 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,090 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,623 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,139 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,370 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,725 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,314 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,242 |
| Official European Union Languages | 0 | - | 4.97 | 238,727 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,002 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,635 |
| The Trojan War | 0 | - | 4.83 | 39,770 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,232 |
| Name that Greek Letter | 0 | - | 4.93 | 324,016 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,038 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,600 |
| Roman Emperors | 0 | - | 4.95 | 120,241 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,967 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,813 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,779 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,046 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,869 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,892 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,402 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,631 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,215 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,594 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,319 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,982 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,269 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,272 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,463 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,943 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,448 |
| German Groups of Things | 0 | - | 4.46 | 38,497 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,402 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,128 |
| Geography of Spain | 0 | - | 4.59 | 22,091 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,351 |
| Champions League Winners | 0 | - | 4.91 | 1,008,475 |
| NFL Football Last Names | 0 | - | 4.43 | 171,668 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,368 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,210 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,564 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,263 |
| Celtic Nations | 0 | - | 4.69 | 46,968 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,254 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,767 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,148 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,670 |
| Countries Bordering France | 0 | - | 4.83 | 402,942 |
| States of Germany | 0 | - | 4.95 | 152,906 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,177 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,824 |
| Regions of Italy | 0 | - | 4.92 | 76,096 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,311 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,196 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,313 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,725 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,421 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,889 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,828 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,286 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,476 |
| Name a Valid African Country | 0 | - | 4.98 | 154,232 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,715 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,534 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,552 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,223 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,582 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,889 |
| Austria... or Australia? | 0 | - | 4.68 | 104,445 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,417 |
| Departments of France | 0 | - | 4.93 | 54,296 |
| Word Chain - France | 0 | - | 4.38 | 42,805 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,914 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,233 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,074 |
| Counties of Ireland | 0 | - | 4.92 | 195,745 |
| Italian Foods | 0 | - | 4.30 | 72,859 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,928 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,376 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,202 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,573 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,734 |
| Finland Country Quiz | 0 | - | 4.50 | 59,731 |
| Norway Country Quiz | 0 | - | 4.44 | 77,435 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,206 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,202 |
| British Groups of Things | 0 | - | 4.25 | 82,892 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,047 |
| British Monopoly Board | 0 | - | 4.52 | 41,184 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,254 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,064 |
| Name the English Monarchs | 0 | - | 4.91 | 503,395 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,744 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,919 |
| England or Wales? | 0 | - | 4.94 | 45,751 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,729 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,203 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,948 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,131 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,669 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,627 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,221 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,625 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,667 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,784 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,333 |
| Slavic Languages | 0 | - | 4.68 | 54,418 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,964 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,947 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,617 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,777 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,691 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,639 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,488 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,771 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,975 |
| Roman Names for Places | 0 | - | 4.62 | 58,357 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,788 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,108 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,666 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,498 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,015 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,030 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,652 |
| Monty Python Quotes | 0 | - | 4.88 | 42,491 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,322 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,929 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,568 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,101 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,043 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 489,903 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 713,319 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,123 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,515 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,227 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,221 |
| History of Russia Quiz | 0 | - | 4.47 | 31,941 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,761 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,992 |
| German Loan Words | 0 | - | 4.27 | 135,842 |
| Word Chain - Germany | 0 | - | 4.31 | 22,600 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,160 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,433 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,512 |
| Ancient Greek Words | 0 | - | 4.93 | 111,775 |
| Famous Irish People | 0 | - | 4.05 | 46,010 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,069 |
| History of Italy | 0 | - | 4.55 | 32,027 |
| Word Chain - Italy | 0 | - | 4.07 | 23,172 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,865 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,194 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,700 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,806 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,261 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,273 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,349 |
| Name a Valid English City | 0 | - | 4.19 | 16,738 |
| British Geography A-Z | 0 | - | 4.42 | 19,538 |
| Shakespearean Characters | 0 | - | 4.38 | 37,665 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,606 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,910 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,680 |
| London A-Z | 0 | - | 4.10 | 40,797 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,539 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,985 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,437 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,479 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,886 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,167 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,797 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,650 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,860 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,666 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,964 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,811 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,104 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,563 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,366 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,702 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,510 |
| Capitals of French Regions | 0 | - | 4.45 | 16,094 |
| Regions of France | 0 | - | 4.72 | 121,025 |
| France Immigration by Country | 0 | - | 4.70 | 76,606 |
| Famous Germans | 0 | - | 4.50 | 55,381 |
| Capitals of German States | 0 | - | 4.74 | 28,975 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,367 |
| Germany True or False? | 0 | - | 4.61 | 48,846 |
| German History A-Z | 0 | - | 4.49 | 24,637 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,081 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,599 |
| Serie A Champions | 0 | - | 4.29 | 58,364 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,107 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,587 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,216 |
