| Countries of the Soviet Union | 0 | - | 4.98 | 194,010 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,336 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,645 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,959 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,573 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,892 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,550 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,776 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,923 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,159 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,540 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,554 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,271 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,308 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,225 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,588 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,909 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,658 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,669 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,895 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,553 |
| Europe Capital to Country | 0 | - | 4.99 | 248,340 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,768 |
| European Capitals by Map | 0 | - | 4.99 | 136,957 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,408 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,784 |
| European Coastal Capitals | 0 | - | 4.95 | 89,928 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,273 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,467 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,110 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,674 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,300 |
| Official Cities in the UK | 0 | - | 4.89 | 281,166 |
| Cities in European History #1 | 0 | - | 4.63 | 133,335 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,554 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,326 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,806 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,880 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,352 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,870 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,928 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,336 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,176 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,409 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,472 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,184 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,240 |
| Random European Capital to Country | 0 | - | 4.98 | 189,472 |
| Random European Country to Capital | 0 | - | 4.92 | 147,650 |
| UK Immigration by Country | 0 | - | 4.94 | 139,886 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,444 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,974 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,490 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,387 |
| 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 | 200,459 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,342 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,252 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,796 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,265 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,456 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,499 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,084 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,219 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,215 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,192 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,021 |
| Biggest British Empire Countries | 0 | - | 4.73 | 98,914 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,966 |
| Hindu Countries | 0 | - | 4.86 | 49,674 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,416 |
| Random European Flag to Country | 0 | - | 4.89 | 181,189 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,630 |
| Political Movements by Country | 0 | - | 4.46 | 72,321 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,481 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,828 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,750 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,048 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,435 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,972 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,172 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,089 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,303 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,794 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,313 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,734 |
| Independence from Whom | 0 | - | 4.99 | 210,022 |
| National Founders | 0 | - | 4.40 | 83,681 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,980 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,088 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,266 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,263 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,279 |
| Countries of Africa | 0 | - | 5.00 | 2,513,211 |
| 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 | 107,792 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,368 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,031 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,409 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,712 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,283 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,547 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,735 |
| Asia Map Quiz | 0 | - | 4.99 | 908,520 |
| Australia Map Quiz | 0 | - | 4.94 | 342,808 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,705 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,770 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,905 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,807 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,003 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,975 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,501 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,474 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,400 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,756 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,668 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,923 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,372 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,541 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,129 |
| Cities by Former Name | 0 | - | 4.84 | 91,096 |
| Former Capitals | 0 | - | 4.88 | 71,208 |
| Asia Capital to Country | 0 | - | 4.96 | 125,927 |
| African Capitals by Map | 0 | - | 4.99 | 132,444 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,457 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,258 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,523 |
| 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 | 103,413 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,964 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,417 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,973 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,894 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,789 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,682 |
| Countries of the Middle East | 0 | - | 4.96 | 199,306 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,449 |
| The Only European Country ... | 0 | - | 4.91 | 214,394 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,545 |
| Slavic Countries | 0 | - | 4.96 | 111,013 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,754 |
| African Island Countries | 0 | - | 4.96 | 100,931 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,514 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,281 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,892 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,704 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,313 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,357 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,575 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,705 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,897 |
| Communist Countries in History | 0 | - | 4.63 | 493,120 |
| Countries by Former Name | 0 | - | 4.99 | 124,455 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,950 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,410 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,185 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,974 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,672 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,376 |
| Historical City to Country | 0 | - | 4.84 | 78,215 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,867 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,890 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,951 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,232 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,297 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,470 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,708 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,453 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,550 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,406 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,633 |
| 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 | 636,767 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,474 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,450 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,610 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,997 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,349 |
| North America Map Quiz | 0 | - | 4.98 | 245,370 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,820 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,122 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,518 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,470 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,727 |
| Flags of North and South America | 0 | - | 4.99 | 368,583 |
| Australian States and Territories | 0 | - | 4.96 | 141,104 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,744 |
| Counties of England | 0 | - | 4.97 | 790,536 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,664 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,296 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,065 |
| African East Coast | 0 | - | 4.96 | 95,235 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 54,049 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,829 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,786 |
