| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,180 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,365 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,157 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,092 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,865 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,265 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,253 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,299 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,097 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,113 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,959 |
| African Capitals by Map | 0 | - | 4.99 | 132,188 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,453 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,800 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,517 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,683 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,781 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,506 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,862 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,473 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,977 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,953 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,669 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,887 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,274 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,091 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,905 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,293 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,185 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,199 |
| Random African Capital to Country | 0 | - | 4.97 | 99,740 |
| Random African Country to Capital | 0 | - | 4.94 | 70,236 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,862 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,844 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,411 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,282 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,973 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,747 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,357 |
| Every African Country Shape | 0 | - | 4.90 | 86,128 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,684 |
| Biggest Trading Partners - South Africa | 0 | - | 4.80 | 40,127 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,518 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,273 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,316 |
| Independence from Whom | 0 | - | 4.99 | 209,690 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,750 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,998 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,014 |
| Hindu Countries | 0 | - | 4.86 | 49,581 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,635 |
| Countries by Founding Story | 0 | - | 4.95 | 76,541 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,496 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,733 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,241 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,036 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,528 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,353 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,399 |
| Asia Map Quiz | 0 | - | 4.99 | 907,066 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,210 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,205 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,932 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,813 |
| Random African Flag to Country | 0 | - | 4.87 | 74,218 |
| Countries of Africa | 0 | - | 5.00 | 2,508,029 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,357 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,552 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,944 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,964 |
| Africa Flags Map Quiz | 0 | - | 4.94 | 35,942 |
| Australia Map Quiz | 0 | - | 4.94 | 342,499 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,312 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,780 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,611 |
| Cities in European History #1 | 0 | - | 4.63 | 133,130 |
| Name a City - European Countries | 0 | - | 4.92 | 64,398 |
| Cities by Former Name | 0 | - | 4.84 | 90,976 |
| Recently Independent Countries | 0 | - | 4.98 | 157,988 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,005 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,830 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,821 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,567 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,383 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,624 |
| The Only European Country ... | 0 | - | 4.91 | 213,845 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,156 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,506 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,172 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,871 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,545 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,211 |
| Arms Exports - United States | 0 | - | 4.70 | 54,362 |
| Countries by Former Name | 0 | - | 4.99 | 124,292 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,712 |
| Historical City to Country | 0 | - | 4.84 | 78,128 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,684 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,921 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,348 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,334 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,181 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,980 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,273 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,805 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,476 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,928 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,429 |
| Flags of North and South America | 0 | - | 4.99 | 367,275 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,944 |
| Counties of England | 0 | - | 4.97 | 789,218 |
| African East Coast | 0 | - | 4.96 | 95,057 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,947 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,089 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,233 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,296 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,278 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,614 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,572 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,814 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,221 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,363 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,822 |
| Former Capitals | 0 | - | 4.88 | 71,146 |
| Europe Capital to Country | 0 | - | 4.99 | 247,911 |
| Asia Capital to Country | 0 | - | 4.96 | 125,763 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,462 |
| European Capitals by Map | 0 | - | 4.99 | 136,290 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,276 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,139 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,194 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,617 |
| European Coastal Capitals | 0 | - | 4.95 | 89,762 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,190 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,817 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,812 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,309 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,844 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,345 |
| Countries of the Middle East | 0 | - | 4.96 | 198,931 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,270 |
| Slavic Countries | 0 | - | 4.96 | 110,862 |
| African Island Countries | 0 | - | 4.96 | 100,793 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,273 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,724 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,737 |
| Random African Countries on a Map | 0 | - | 4.99 | 293,388 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,710 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,495 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,115 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,631 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,718 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,768 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,158 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,167 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,294 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,581 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,279 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,423 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,255 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,932 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,814 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,240 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,476 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,207 |
| North America Map Quiz | 0 | - | 4.98 | 244,484 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,436 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,346 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,170 |
| Australian States and Territories | 0 | - | 4.96 | 140,912 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,906 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,161 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,694 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,021 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,689 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,466 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,834 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,667 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,776 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,564 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,560 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,516 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,554 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,179 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,726 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,100 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,570 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,970 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,004 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,298 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,597 |
| Official Cities in the UK | 0 | - | 4.89 | 280,548 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,204 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,947 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,393 |
