| Federal Subjects of Russia | 0 | - | 4.95 | 148,473 |
| Russia Country Quiz | 0 | - | 4.83 | 114,855 |
| Countries That Border Russia | 0 | - | 4.98 | 463,575 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,064 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,249 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,482 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,274 |
| Monarchies of Europe | 0 | - | 4.90 | 98,511 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,710 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,805 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,999 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,511 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,441 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,100 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,768 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,145 |
| Most Mentioned Allies of Russia | 0 | - | 4.49 | 38,113 |
| Most Mentioned Enemies of Russia | 0 | - | 4.69 | 90,210 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,568 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,469 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,819 |
| Name the English Monarchs | 0 | - | 4.91 | 504,866 |
| Countries that Border Poland | 0 | - | 4.99 | 172,809 |
| Russian History A-Z | 0 | - | 4.35 | 31,940 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,969 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,820 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,961 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,929 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,814 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,047 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,475 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,464 |
| The Only European Country ... | 0 | - | 4.91 | 217,992 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,979 |
| NATO Countries | 0 | - | 4.98 | 282,198 |
| EU Countries Quiz | 0 | - | 4.99 | 276,359 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,634 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,580 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,707 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,162 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,570 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,949 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,490 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,162 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,594 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,542 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,144 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,391 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,991 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,478 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,998 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,174 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,733 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,929 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,523 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,855 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,330 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,795 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,552 |
| Slavic Countries | 0 | - | 4.96 | 112,078 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,282 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,371 |
| Counties of England | 0 | - | 4.97 | 800,409 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,363 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,749 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,218 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,093 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,017 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,520 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,164 |
| European Countries with One Border | 0 | - | 4.97 | 183,365 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,133 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,954 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,501 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,550 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,254 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,055 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,410 |
| States of Germany | 0 | - | 4.95 | 153,743 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,427 |
| Regions of Italy | 0 | - | 4.92 | 76,516 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,566 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,801 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,525 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,295 |
| Champions League Winners | 0 | - | 4.92 | 1,011,858 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,784 |
| Monarchies of Asia | 0 | - | 4.97 | 71,333 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,117 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,658 |
| Albania Country Quiz | 0 | - | 4.54 | 39,139 |
| Czech Republic Country Quiz | 0 | - | 4.52 | 42,352 |
| Ukraine Country Quiz | 0 | - | 4.43 | 47,884 |
| Hungary Country Quiz | 0 | - | 4.49 | 43,631 |
| Romania Country Quiz | 0 | - | 4.63 | 53,979 |
| Serbia Country Quiz | 0 | - | 4.44 | 35,132 |
| Countries Bordering France | 0 | - | 4.83 | 404,043 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,101 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,229 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,782 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,539 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,390 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,730 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,594 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,275 |
| European Geography By Letter - I | 0 | - | 4.09 | 96,014 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,644 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,127 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,244 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,517 |
| European Geography A-Z | 0 | - | 4.29 | 49,405 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,917 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,102 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,402 |
| Lithuania Country Quiz | 0 | - | 4.61 | 31,712 |
| Latvia Country Quiz | 0 | - | 4.77 | 32,133 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,840 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,390 |
| Departments of France | 0 | - | 4.93 | 54,715 |
| Germany Country Quiz | 0 | - | 4.83 | 158,453 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,806 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,883 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,768 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,666 |
| History of The Netherlands | 0 | - | 4.46 | 17,506 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,245 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,456 |
| British Acronyms | 0 | - | 4.40 | 45,884 |
| British Monopoly Board | 0 | - | 4.52 | 41,224 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,026 |
| England or Wales? | 0 | - | 4.94 | 45,851 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,391 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,580 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,597 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,315 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,815 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,745 |
| U.S. States by Governor | 0 | - | 4.43 | 18,093 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,728 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,728 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,442 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,321 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,250 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,691 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,581 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,021 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,720 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,650 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,506 |
| Slovenia Country Quiz | 0 | - | 4.55 | 30,840 |
| Poland Country Quiz | 0 | - | 4.20 | 63,545 |
| Slovakia Country Quiz | 0 | - | 4.64 | 30,799 |
| Bulgaria Country Quiz | 0 | - | 4.55 | 30,993 |
| Montenegro Country Quiz | 0 | - | 4.61 | 23,795 |
| Belarus Country Quiz | 0 | - | 4.74 | 27,426 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,976 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,769 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,029 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,345 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,807 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,066 |
| Name that Greek Letter | 0 | - | 4.93 | 324,464 |
| Counties of Ireland | 0 | - | 4.92 | 196,485 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,110 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,592 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,611 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,651 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,875 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,844 |
| Prime Ministers of the UK | 0 | - | 4.95 | 440,924 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,899 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,103 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,472 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,598 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,664 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,421 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,462 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,127 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,073 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,529 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,531 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,404 |
| History of Russia Quiz | 0 | - | 4.47 | 31,975 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,808 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,251 |
| Estonia Country Quiz | 0 | - | 4.60 | 31,184 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,945 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,200 |
| The Trojan War | 0 | - | 4.83 | 39,894 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,518 |
| Famous Irish People | 0 | - | 4.05 | 46,041 |
| History of Italy | 0 | - | 4.55 | 32,095 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,884 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,364 |
| Roman Emperors | 0 | - | 4.95 | 120,692 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,760 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,870 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,653 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,354 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,178 |
