| Neutral European Countries of WWII | 0 | - | 4.93 | 157,591 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 63,128 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 104,184 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 115,013 |
| Countries of Europe After World War II | 0 | - | 4.99 | 182,949 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 151,481 |
| Counties of England Map Quiz | 0 | - | 4.97 | 301,486 |
| UK Cities Map Quiz | 0 | - | 4.95 | 456,015 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 111,759 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 112,330 |
| United States Map Quiz | 0 | - | 4.98 | 4,093,228 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 232,913 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 102,709 |
| Countries of the Soviet Union | 0 | - | 4.98 | 191,475 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 99,223 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 161,745 |
| Countries of Europe by Population | 0 | - | 4.98 | 170,601 |
| Europe Capital to Country | 0 | - | 4.99 | 240,997 |
| EU Capitals with No Hints | 0 | - | 4.96 | 139,785 |
| European Capitals by Map | 0 | - | 4.99 | 128,642 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 88,311 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 81,055 |
| European Coastal Capitals | 0 | - | 4.95 | 86,841 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.89 | 215,054 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 78,745 |
| Cities in European History #1 | 0 | - | 4.56 | 116,624 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 77,483 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 69,080 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 52,897 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 225,560 |
| Official Cities in the UK | 0 | - | 4.89 | 271,404 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 59,284 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 91,341 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 71,741 |
| Asian Capitals - Map Quiz | 0 | - | 4.94 | 58,454 |
| European Capitals Ending in N | 0 | - | 4.92 | 79,196 |
| Biggest Roman Empire Countries | 0 | - | 4.89 | 99,802 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 128,192 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 145,334 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 65,929 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 136,902 |
| Name a Valid European Capital | 0 | - | 4.95 | 146,547 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 79,256 |
| UK Immigration by Country | 0 | - | 4.93 | 136,383 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 93,689 |
| African Countries with the Most Christians | 0 | - | 4.93 | 73,216 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 193,291 |
| Countries of the German Empire | 0 | - | 4.51 | 36,813 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 86,860 |
| United Kingdom Country Quiz | 0 | - | 4.95 | 133,506 |
| Europe Map Quiz | 0 | - | 5.00 | 4,634,956 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 102,736 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 126,083 |
| Most Guessed European Capitals | 0 | - | 4.89 | 100,162 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 81,645 |
| Random European Capital to Country | 0 | - | 4.97 | 184,816 |
| Random European Country to Capital | 0 | - | 4.93 | 144,350 |
| Biggest British Empire Countries | 0 | - | 4.73 | 85,584 |
| Biggest French Empire Countries | 0 | - | 4.50 | 64,185 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 71,100 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 121,426 |
| Every European Country Shape | 0 | - | 4.94 | 193,968 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 145,603 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 79,274 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 71,522 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 70,558 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 120,001 |
| Random European Capitals on a Map | 0 | - | 4.97 | 131,024 |
| Independence from Whom | 0 | - | 4.99 | 204,409 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 126,858 |
| Countries in World War I | 0 | - | 4.88 | 222,606 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 223,039 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,673 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 89,733 |
| Countries by Founding Story | 0 | - | 4.95 | 74,572 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 92,894 |
| Biggest Trading Partners – Australia | 0 | - | 4.92 | 59,455 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,417,705 |
| Oceania Map Quiz | 0 | - | 4.98 | 617,194 |
| Africa Map Quiz | 0 | - | 5.00 | 2,067,372 |
| Asia Map Quiz | 0 | - | 4.99 | 877,171 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 416,233 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 126,973 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 90,461 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 127,820 |
| Name a City - European Countries | 0 | - | 4.93 | 61,560 |
| Cities by Former Name | 0 | - | 4.84 | 89,173 |
| Africa Capitals Quiz | 0 | - | 4.99 | 707,700 |
| Asia Capitals Quiz | 0 | - | 4.97 | 664,417 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 154,754 |
| Countries That Use the Euro | 0 | - | 4.96 | 95,641 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 38,135 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 108,496 |
| The Only European Country ... | 0 | - | 4.92 | 204,461 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 204,055 |
| Vietnam War Countries | 0 | - | 4.81 | 91,454 |
| Countries of the World in 1900 | 0 | - | 4.88 | 79,243 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 187,566 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 143,683 |
| European Countries NOT in NATO | 0 | - | 4.88 | 54,620 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 70,594 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 90,725 |
| Arms Exports - Russia | 0 | - | 4.45 | 24,462 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 79,335 |
| Random European Flag to Country | 0 | - | 4.89 | 176,111 |
| Countries by Former Name | 0 | - | 4.99 | 121,960 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,197 |
| Countries of Africa | 0 | - | 5.00 | 2,421,838 |
| Historical City to Country | 0 | - | 4.84 | 76,828 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 73,877 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,356,289 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 47,500 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 92,522 |
| Western Africa Map Quiz | 0 | - | 4.97 | 70,228 |
| Australia Map Quiz | 0 | - | 4.94 | 337,311 |
| British Monopoly Board - Map Quiz | 0 | - | 4.46 | 19,902 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 356,285 |
| African East Coast | 0 | - | 4.96 | 92,433 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,162,337 |
| Flags of Asia Quiz | 0 | - | 4.99 | 581,732 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 39,902 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 91,791 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,293,065 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 56,685 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 48,530 |
| Arms Exports - United States | 0 | - | 4.63 | 49,937 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.55 | 49,687 |
| Countries of North America Quiz | 0 | - | 5.00 | 978,723 |
| Flags of Countries that Border Germany | 0 | - | 4.85 | 94,334 |
| Flags of Countries That Border France | 0 | - | 4.88 | 119,919 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 187,125 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 618,651 |
| South America Map Quiz | 0 | - | 5.00 | 1,514,415 |
| Flags of Africa Quiz | 0 | - | 5.00 | 439,455 |
| Flags of North and South America | 0 | - | 4.99 | 343,451 |
| Canada Provinces and Territories | 0 | - | 5.00 | 324,349 |
| Counties of England | 0 | - | 4.97 | 767,850 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 52,703 |
| Most Populous Countries by Year | 0 | - | 4.81 | 105,755 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 332,094 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 131,971 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 73,790 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 81,953 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 65,349 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,511 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 94,180 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 105,688 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 69,706 |
| Former Capitals Quiz | 0 | - | 4.87 | 69,996 |
| Asia Capital to Country | 0 | - | 4.96 | 123,201 |
| African Capitals by Map | 0 | - | 4.99 | 127,152 |
| South America Capitals Quiz | 0 | - | 5.00 | 465,383 |
| Asian Capitals by Map | 0 | - | 4.98 | 57,847 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 51,019 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 257,110 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 80,188 |
| Countries Settled by Vikings | 0 | - | 4.93 | 118,637 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 209,062 |
| Countries of the Middle East | 0 | - | 4.95 | 193,129 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 85,245 |
| Slavic Countries | 0 | - | 4.96 | 108,551 |
| African Island Countries | 0 | - | 4.96 | 98,102 |
| Holy Roman Empire Countries | 0 | - | 4.78 | 54,238 |
| Warsaw Pact Countries | 0 | - | 4.82 | 83,159 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 41,281 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,400 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 95,868 |
| Random European Countries on a Map | 0 | - | 4.97 | 276,450 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 122,204 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 103,464 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 131,973 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 211,485 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 188,459 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 150,132 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 111,073 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 141,182 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 147,401 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 113,105 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 157,140 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 96,209 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 104,802 |
| Central America and Caribbean Map Quiz | 0 | - | 4.88 | 890,442 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 123,102 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 84,552 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 123,939 |
| North America Map Quiz | 0 | - | 4.98 | 232,984 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 96,632 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 107,247 |
| Australian States and Territories | 0 | - | 4.96 | 137,930 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 155,069 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 46,400 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,193 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 68,232 |
| Top African Languages on a Map | 0 | - | 4.92 | 68,142 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 302,605 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 237,701 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 224,792 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 85,270 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 212,659 |
| Category Elimination - U.S. States #2 | 0 | - | 4.81 | 127,846 |
