| Federal Subjects of Russia | 0 | - | 4.95 | 145,822 |
| Russia Country Quiz | 0 | - | 4.85 | 114,149 |
| Countries That Border Russia | 0 | - | 4.98 | 460,722 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,646 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,357 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,999 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 96,675 |
| Monarchies of Europe | 0 | - | 4.90 | 97,801 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,774 |
| Europe Map Quiz | 0 | - | 5.00 | 4,750,258 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,745 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,731 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,618 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,875 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,189 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,376 |
| Most Mentioned Allies of Russia | 0 | - | 4.49 | 37,932 |
| Most Mentioned Enemies of Russia | 0 | - | 4.69 | 89,816 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,161 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,244 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,965 |
| Name the English Monarchs | 0 | - | 4.91 | 500,770 |
| Countries that Border Poland | 0 | - | 4.99 | 171,924 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,872 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,013 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,760 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,706 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,161 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,217 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,622 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,557 |
| The Only European Country ... | 0 | - | 4.91 | 215,570 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,525 |
| NATO Countries | 0 | - | 4.98 | 278,677 |
| EU Countries Quiz | 0 | - | 4.99 | 272,251 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,203 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,210 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,237,338 |
| European Geography By Letter - A | 0 | - | 4.61 | 133,017 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,187 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,159 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,042 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,500 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,419 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,074 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,848 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,472 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,676 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,710 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,834 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,277 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,830 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,793 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,871 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,671 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 169,941 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,858 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,602 |
| Slavic Countries | 0 | - | 4.96 | 111,367 |
| Russian History A-Z | 0 | - | 4.38 | 31,497 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,819 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,178 |
| Counties of England | 0 | - | 4.97 | 793,626 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,317 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,562 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,106 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,702 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,711 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,361 |
| European Countries with One Border | 0 | - | 4.97 | 182,306 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,149 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,696 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,594 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,520 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,618 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,971 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,363 |
| States of Germany | 0 | - | 4.96 | 151,482 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,735 |
| Regions of Italy | 0 | - | 4.92 | 75,375 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,320 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,404 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,866 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,448 |
| Champions League Winners | 0 | - | 4.92 | 1,002,225 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,218 |
| Monarchies of Asia | 0 | - | 4.97 | 70,896 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,715 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,346 |
| Albania Country Quiz | 0 | - | 4.54 | 38,868 |
| Czech Republic Country Quiz | 0 | - | 4.52 | 42,077 |
| Ukraine Country Quiz | 0 | - | 4.42 | 47,554 |
| Hungary Country Quiz | 0 | - | 4.49 | 43,277 |
| Romania Country Quiz | 0 | - | 4.63 | 53,643 |
| Serbia Country Quiz | 0 | - | 4.44 | 34,942 |
| Countries Bordering France | 0 | - | 4.83 | 401,504 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,311 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,492 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,642 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,929 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,585 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,481 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,898 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,154 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,772 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,711 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,396 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,112 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,457 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,679 |
| European Geography A-Z | 0 | - | 4.29 | 49,154 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,981 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,346 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,126 |
| Latvia Country Quiz | 0 | - | 4.75 | 31,927 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,212 |
| Departments of France | 0 | - | 4.93 | 53,530 |
| Germany Country Quiz | 0 | - | 4.82 | 157,367 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,751 |
| Italy Country Quiz | 0 | - | 4.82 | 122,834 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,961 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,667 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,480 |
| History of The Netherlands | 0 | - | 4.46 | 17,383 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,561 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,199 |
| British Acronyms | 0 | - | 4.39 | 45,726 |
| British Monopoly Board | 0 | - | 4.52 | 41,125 |
| England or Wales? | 0 | - | 4.94 | 45,541 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,482 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,747 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,502 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,203 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,665 |
| U.S. States by Governor | 0 | - | 4.43 | 18,028 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,637 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,624 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,283 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,224 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,990 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,637 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,203 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,085 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,229 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,624 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,086 |
| Slovenia Country Quiz | 0 | - | 4.55 | 30,641 |
| Poland Country Quiz | 0 | - | 4.22 | 63,063 |
| Slovakia Country Quiz | 0 | - | 4.64 | 30,591 |
| Bulgaria Country Quiz | 0 | - | 4.55 | 30,788 |
| Montenegro Country Quiz | 0 | - | 4.60 | 23,657 |
| Belarus Country Quiz | 0 | - | 4.74 | 27,308 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,679 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,573 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,105 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,743 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,043 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,744 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,351 |
| Name that Greek Letter | 0 | - | 4.93 | 322,843 |
| Counties of Ireland | 0 | - | 4.92 | 194,283 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,700 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,510 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,399 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,804 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,710 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,528 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,166 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,144 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,596 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,666 |
| All OPEC Countries Ever | 0 | - | 4.75 | 90,057 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,319 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,629 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,303 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,358 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,242 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,761 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 77,843 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,727 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,545 |
| History of Russia Quiz | 0 | - | 4.49 | 31,863 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,027 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,843 |
| Lithuania Country Quiz | 0 | - | 4.61 | 31,513 |
| Estonia Country Quiz | 0 | - | 4.60 | 31,003 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,978 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,097 |
| The Trojan War | 0 | - | 4.83 | 39,611 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,366 |
| Famous Irish People | 0 | - | 4.05 | 45,923 |
| History of Italy | 0 | - | 4.55 | 31,918 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,224 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,358 |
| Roman Emperors | 0 | - | 4.95 | 119,499 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,595 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,278 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,046 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,135 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,719 |
