| Countries of the Soviet Union | 0 | - | 4.98 | 194,011 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,336 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,647 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,961 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,573 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,893 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,551 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,778 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,925 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,164 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,543 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,556 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,273 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,311 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,225 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,595 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,911 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,660 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,670 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,898 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,562 |
| Europe Capital to Country | 0 | - | 4.99 | 248,347 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,777 |
| European Capitals by Map | 0 | - | 4.99 | 136,966 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,409 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,788 |
| European Coastal Capitals | 0 | - | 4.95 | 89,933 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,284 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,469 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,116 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,693 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,306 |
| Official Cities in the UK | 0 | - | 4.89 | 281,178 |
| Cities in European History #1 | 0 | - | 4.63 | 133,338 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,558 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,336 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,807 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,881 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,352 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,883 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,930 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,340 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,187 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,412 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,488 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,185 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,243 |
| Random European Capital to Country | 0 | - | 4.98 | 189,482 |
| Random European Country to Capital | 0 | - | 4.92 | 147,654 |
| UK Immigration by Country | 0 | - | 4.94 | 139,890 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,449 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,979 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,493 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,388 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,802 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,352 |
| Every European Country Shape | 0 | - | 4.96 | 200,462 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,347 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,257 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,798 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,266 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,459 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,502 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,087 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,224 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,215 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,193 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,025 |
| Biggest British Empire Countries | 0 | - | 4.73 | 98,932 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,966 |
| Hindu Countries | 0 | - | 4.86 | 49,676 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,421 |
| Random European Flag to Country | 0 | - | 4.89 | 181,196 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,630 |
| Political Movements by Country | 0 | - | 4.46 | 72,323 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,484 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,833 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,750 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,049 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,542 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,977 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,174 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,090 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,303 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,827 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,360 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,735 |
| Independence from Whom | 0 | - | 4.99 | 210,027 |
| National Founders | 0 | - | 4.40 | 83,682 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,985 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,091 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,268 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,265 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,284 |
| Countries of Africa | 0 | - | 5.00 | 2,513,293 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,482 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,292 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,795 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,368 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,032 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,430 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,767 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,306 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,580 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,762 |
| Asia Map Quiz | 0 | - | 4.99 | 908,548 |
| Australia Map Quiz | 0 | - | 4.94 | 342,810 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,710 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,777 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,918 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,815 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,071 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,012 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,504 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,478 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,402 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,760 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,669 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,923 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,373 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,544 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,132 |
| Cities by Former Name | 0 | - | 4.84 | 91,102 |
| Former Capitals | 0 | - | 4.88 | 71,211 |
| Asia Capital to Country | 0 | - | 4.96 | 125,931 |
| African Capitals by Map | 0 | - | 4.99 | 132,447 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,460 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,263 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,538 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,488 |
| Recently Independent Countries | 0 | - | 4.98 | 158,147 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,417 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,966 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,440 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,975 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,898 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,803 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,682 |
| Countries of the Middle East | 0 | - | 4.96 | 199,311 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,453 |
| The Only European Country ... | 0 | - | 4.91 | 214,405 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,554 |
| Slavic Countries | 0 | - | 4.96 | 111,018 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,760 |
| African Island Countries | 0 | - | 4.96 | 100,936 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,527 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,291 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,904 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,704 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,314 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,359 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,578 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,705 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,901 |
| Communist Countries in History | 0 | - | 4.63 | 493,131 |
| Countries by Former Name | 0 | - | 4.99 | 124,458 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,953 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,415 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,218 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,978 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,680 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,380 |
| Historical City to Country | 0 | - | 4.84 | 78,215 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,871 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,892 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,953 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,232 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,302 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,476 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,711 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,454 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,552 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,407 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,634 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,008 |
| Scotland A-Z | 0 | - | 4.73 | 41,092 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,788 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,496 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,452 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,615 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,001 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,351 |
| North America Map Quiz | 0 | - | 4.98 | 245,407 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,821 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,123 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,519 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,473 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,753 |
| Flags of North and South America | 0 | - | 4.99 | 368,599 |
| Australian States and Territories | 0 | - | 4.96 | 141,107 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,759 |
| Counties of England | 0 | - | 4.97 | 790,563 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,675 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,297 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,067 |
| African East Coast | 0 | - | 4.96 | 95,240 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 54,052 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,833 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,793 |
