| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,544 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,414 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,781 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,671 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,370 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,917 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,186 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,694 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,289 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,162 |
| Official European Union Languages | 0 | - | 4.97 | 238,570 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,900 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,314 |
| The Trojan War | 0 | - | 4.83 | 39,738 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,669 |
| Name that Greek Letter | 0 | - | 4.93 | 323,517 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,890 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,549 |
| Roman Emperors | 0 | - | 4.95 | 120,094 |
| Norway Country Quiz | 0 | - | 4.44 | 77,372 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,778 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,759 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,002 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,851 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,037 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,618 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,213 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,539 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,389 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,287 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,957 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,236 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,242 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,393 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,631 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,020 |
| German Groups of Things | 0 | - | 4.46 | 38,483 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,367 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,025 |
| Geography of Spain | 0 | - | 4.59 | 22,078 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,270 |
| Champions League Winners | 0 | - | 4.92 | 1,007,150 |
| NFL Football Last Names | 0 | - | 4.43 | 171,563 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,343 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,141 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,533 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,249 |
| Celtic Nations | 0 | - | 4.69 | 46,953 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,166 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,667 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,021 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,407 |
| Countries Bordering France | 0 | - | 4.83 | 402,641 |
| States of Germany | 0 | - | 4.96 | 152,685 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,072 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,501 |
| Regions of Italy | 0 | - | 4.92 | 75,929 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,209 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,010 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,238 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,708 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,330 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,816 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,726 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,223 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,387 |
| Name a Valid African Country | 0 | - | 4.98 | 154,125 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,683 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,505 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,476 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,102 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,165 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,753 |
| Austria... or Australia? | 0 | - | 4.68 | 104,368 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,343 |
| Departments of France | 0 | - | 4.93 | 54,172 |
| Word Chain - France | 0 | - | 4.38 | 42,784 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,881 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,194 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,804 |
| Counties of Ireland | 0 | - | 4.92 | 195,425 |
| Italian Foods | 0 | - | 4.30 | 72,802 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,881 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,340 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,086 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,556 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,683 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,930 |
| Finland Country Quiz | 0 | - | 4.50 | 59,687 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,173 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,032 |
| British Groups of Things | 0 | - | 4.25 | 82,878 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,039 |
| British Monopoly Board | 0 | - | 4.52 | 41,173 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,150 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,862 |
| Name the English Monarchs | 0 | - | 4.91 | 502,893 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,680 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,869 |
| England or Wales? | 0 | - | 4.94 | 45,712 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,432 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,081 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,845 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,043 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,502 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,619 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,755 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,607 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,660 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,722 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,033 |
| Slavic Languages | 0 | - | 4.68 | 54,380 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,839 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,819 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,483 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,697 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,668 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,625 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,471 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,758 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,943 |
| Roman Names for Places | 0 | - | 4.62 | 58,309 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,379 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,779 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,094 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,602 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,477 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,965 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,024 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,568 |
| Monty Python Quotes | 0 | - | 4.88 | 42,469 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,264 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,909 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,457 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,560 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,963 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 489,592 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 712,942 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,093 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,508 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,193 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,124 |
| History of Russia Quiz | 0 | - | 4.47 | 31,922 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,738 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,962 |
| German Loan Words | 0 | - | 4.27 | 135,812 |
| Word Chain - Germany | 0 | - | 4.31 | 22,591 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,148 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,000 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,504 |
| Ancient Greek Words | 0 | - | 4.93 | 111,647 |
| Famous Irish People | 0 | - | 4.05 | 45,999 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,049 |
| History of Italy | 0 | - | 4.55 | 31,980 |
| Word Chain - Italy | 0 | - | 4.07 | 23,167 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,802 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,184 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,664 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,795 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,232 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,242 |
| 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 | 19,526 |
| Shakespearean Characters | 0 | - | 4.38 | 37,651 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,370 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,774 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,666 |
| London A-Z | 0 | - | 4.10 | 40,780 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,184 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,970 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,260 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,376 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,525 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,096 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,726 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,596 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,752 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,610 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,913 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,765 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,054 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,503 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,145 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,656 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,456 |
| Capitals of French Regions | 0 | - | 4.45 | 16,081 |
| Regions of France | 0 | - | 4.72 | 120,871 |
| France Immigration by Country | 0 | - | 4.70 | 76,541 |
| Famous Germans | 0 | - | 4.50 | 55,307 |
| Capitals of German States | 0 | - | 4.74 | 28,956 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,348 |
| Germany True or False? | 0 | - | 4.61 | 48,816 |
| German History A-Z | 0 | - | 4.49 | 24,620 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,043 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,524 |
| Serie A Champions | 0 | - | 4.29 | 58,293 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,090 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,261 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,159 |
