| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,521 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,776 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,612 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,304 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,858 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,157 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,689 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,281 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,143 |
| Official European Union Languages | 0 | - | 4.97 | 238,545 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,876 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,265 |
| The Trojan War | 0 | - | 4.83 | 39,733 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,561 |
| Name that Greek Letter | 0 | - | 4.93 | 323,476 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,870 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,538 |
| Roman Emperors | 0 | - | 4.95 | 120,072 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,772 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,753 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,993 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,839 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,863 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,087 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,615 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,093 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,522 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,387 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,279 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,946 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,230 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,239 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,384 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,595 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 171,935 |
| German Groups of Things | 0 | - | 4.46 | 38,480 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,363 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,016 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,791 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,225 |
| Geography of Spain | 0 | - | 4.59 | 22,078 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,257 |
| Champions League Winners | 0 | - | 4.92 | 1,006,952 |
| NFL Football Last Names | 0 | - | 4.43 | 171,556 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,339 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,131 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,527 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,244 |
| Celtic Nations | 0 | - | 4.69 | 46,951 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,150 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,625 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,000 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,297 |
| Countries Bordering France | 0 | - | 4.83 | 402,592 |
| States of Germany | 0 | - | 4.96 | 152,643 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,052 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,454 |
| Regions of Italy | 0 | - | 4.92 | 75,911 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,182 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,964 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,219 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,705 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,309 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,789 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,707 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,216 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,369 |
| Name a Valid African Country | 0 | - | 4.98 | 154,099 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,677 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,499 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,462 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,072 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,092 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,734 |
| Austria... or Australia? | 0 | - | 4.68 | 104,360 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,331 |
| Departments of France | 0 | - | 4.93 | 54,139 |
| Word Chain - France | 0 | - | 4.38 | 42,782 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,876 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,182 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,747 |
| Counties of Ireland | 0 | - | 4.92 | 195,334 |
| Italian Foods | 0 | - | 4.30 | 72,790 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,872 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,335 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,066 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,549 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,673 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,923 |
| Finland Country Quiz | 0 | - | 4.50 | 59,683 |
| Norway Country Quiz | 0 | - | 4.44 | 77,356 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,167 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,010 |
| British Groups of Things | 0 | - | 4.25 | 82,869 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,036 |
| British Monopoly Board | 0 | - | 4.52 | 41,169 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,135 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,801 |
| Name the English Monarchs | 0 | - | 4.91 | 502,773 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,666 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,852 |
| England or Wales? | 0 | - | 4.94 | 45,700 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,389 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,058 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,829 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,027 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,479 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,613 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,645 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,605 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,656 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,707 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,999 |
| Slavic Languages | 0 | - | 4.68 | 54,373 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,815 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,801 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,461 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,681 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,664 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,619 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,468 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,751 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,937 |
| Roman Names for Places | 0 | - | 4.62 | 58,298 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,378 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,776 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,586 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,470 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,954 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,022 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,552 |
| Monty Python Quotes | 0 | - | 4.88 | 42,466 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,254 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,904 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,428 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,484 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,946 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 489,544 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 712,865 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,091 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,506 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,184 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,111 |
| History of Russia Quiz | 0 | - | 4.47 | 31,919 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,735 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,959 |
| German Loan Words | 0 | - | 4.27 | 135,809 |
| Word Chain - Germany | 0 | - | 4.31 | 22,588 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,147 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,919 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,504 |
| Ancient Greek Words | 0 | - | 4.93 | 111,627 |
| Famous Irish People | 0 | - | 4.05 | 45,995 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,043 |
| History of Italy | 0 | - | 4.55 | 31,979 |
| Word Chain - Italy | 0 | - | 4.07 | 23,165 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,796 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,183 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,663 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,240 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,344 |
| Name a Valid English City | 0 | - | 4.19 | 16,730 |
| British Geography A-Z | 0 | - | 4.42 | 19,523 |
| Shakespearean Characters | 0 | - | 4.38 | 37,648 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,315 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,738 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,664 |
| London A-Z | 0 | - | 4.10 | 40,776 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,144 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,969 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,231 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,332 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,355 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,057 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,697 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,577 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,726 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,592 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,895 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,739 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,043 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,481 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,572 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,644 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,446 |
| Capitals of French Regions | 0 | - | 4.45 | 16,080 |
| Regions of France | 0 | - | 4.72 | 120,819 |
| France Immigration by Country | 0 | - | 4.70 | 76,529 |
| Famous Germans | 0 | - | 4.50 | 55,303 |
| 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 | 48,811 |
| German History A-Z | 0 | - | 4.49 | 24,613 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,033 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,509 |
| Serie A Champions | 0 | - | 4.29 | 58,282 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,088 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,193 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,146 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,365 |
