| Countries of the Soviet Union | 0 | - | 4.98 | 194,419 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,596 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,233 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,027 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,229 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,780 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,833 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,041 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,160 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,691 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,888 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,204 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,438 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,390 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,670 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,159 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,467 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,149 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,142 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,310 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,724 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,082 |
| Europe Capital to Country | 0 | - | 4.99 | 249,521 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,553 |
| European Capitals by Map | 0 | - | 4.99 | 138,512 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,860 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,216 |
| European Coastal Capitals | 0 | - | 4.95 | 90,361 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,519 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,746 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,622 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,999 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,399 |
| Official Cities in the UK | 0 | - | 4.89 | 282,984 |
| Cities in European History #1 | 0 | - | 4.63 | 133,779 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,874 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,961 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,068 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,158 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,532 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,119 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,549 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,006 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,867 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,918 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,971 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,539 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,037 |
| Random European Capital to Country | 0 | - | 4.98 | 190,612 |
| Random European Country to Capital | 0 | - | 4.93 | 164,518 |
| UK Immigration by Country | 0 | - | 4.94 | 140,658 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,993 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,424 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,307 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 130,012 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,019 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,550 |
| Every European Country Shape | 0 | - | 4.96 | 201,275 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,028 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,139 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,497 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,894 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,431 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,599 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,649 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,373 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,289 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,464 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,746 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,112 |
| Hindu Countries | 0 | - | 4.86 | 49,997 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,843 |
| Random European Flag to Country | 0 | - | 4.89 | 181,933 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,708 |
| Political Movements by Country | 0 | - | 4.46 | 72,461 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,827 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,092 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,053 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,596 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,413 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,048 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,703 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,870 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,295 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,369 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,689 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,882 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,091 |
| Independence from Whom | 0 | - | 4.99 | 211,246 |
| National Founders | 0 | - | 4.40 | 83,788 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,649 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,360 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,932 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,384 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,049 |
| Countries of Africa | 0 | - | 5.00 | 2,529,570 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,851 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,680 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,115 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,469 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,237 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,741 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,666 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,422 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,485 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,473 |
| Asia Map Quiz | 0 | - | 4.99 | 914,315 |
| Australia Map Quiz | 0 | - | 4.95 | 343,804 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,916 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,457 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,297 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,820 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,724 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,321 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,349 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,077 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,056 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,377 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,148 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,424 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,057 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,386 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,795 |
| Cities by Former Name | 0 | - | 4.83 | 91,415 |
| Former Capitals | 0 | - | 4.88 | 71,373 |
| Asia Capital to Country | 0 | - | 4.96 | 126,451 |
| African Capitals by Map | 0 | - | 4.99 | 133,321 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,055 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,491 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,085 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,736 |
| Recently Independent Countries | 0 | - | 4.98 | 158,980 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,502 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,258 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,025 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,583 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,806 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,139 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,897 |
| Countries of the Middle East | 0 | - | 4.96 | 200,713 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,988 |
| The Only European Country ... | 0 | - | 4.91 | 215,943 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,706 |
| Slavic Countries | 0 | - | 4.96 | 111,481 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,538 |
| African Island Countries | 0 | - | 4.96 | 101,408 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,682 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,341 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,753 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,764 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,438 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,572 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,785 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,761 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,459 |
| Communist Countries in History | 0 | - | 4.63 | 494,854 |
| Countries by Former Name | 0 | - | 4.99 | 124,896 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,911 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,357 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,634 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,261 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,139 |
| Historical City to Country | 0 | - | 4.84 | 78,423 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,625 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,409 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,512 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,506 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,079 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,956 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,374 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,980 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,956 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,793 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,061 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,217 |
| Scotland A-Z | 0 | - | 4.73 | 41,223 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,086 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,171 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,267 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,973 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,443 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,711 |
| North America Map Quiz | 0 | - | 4.98 | 247,599 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,615 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,597 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,862 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,072 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,165 |
| Flags of North and South America | 0 | - | 4.99 | 371,807 |
| Australian States and Territories | 0 | - | 4.96 | 141,684 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,248 |
| Counties of England | 0 | - | 4.97 | 794,663 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,554 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,743 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| African East Coast | 0 | - | 4.96 | 95,797 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,333 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,238 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,632 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,950 |
