| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,540 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,974 |
| US States with an Empty Map | 0 | - | 5.00 | 624,565 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,769 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,273 |
| US States Quiz | 0 | - | 5.00 | 16,873,943 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,446 |
| Rivers of the United States | 0 | - | 4.93 | 66,197 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,423 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,734 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,605 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,279 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 62,227 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,717 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,805 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,893 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,446 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,566 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,593 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,708 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,174 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,023 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,601 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,193 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,384 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,553 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,197 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,689 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,330 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,106 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,290 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,755 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,680,929 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,889 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,642 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,645 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,010 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,904 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,032 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,312 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,125 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,900 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,244 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,777 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,997 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,402 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,640 |
| Central American Countries | 0 | - | 4.98 | 156,457 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,983 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,748 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,636 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,506 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,189 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,042 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,416 |
| States of Mexico | 0 | - | 4.96 | 176,078 |
| Departments of France | 0 | - | 4.93 | 54,097 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,860 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,811 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,538,937 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,784 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,196 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,776 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,288 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.88 | 80,953 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,787 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,829 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,466 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,661 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,267 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,839 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,838 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,689 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,444 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,663 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,795 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,080 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,660 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,360 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,255 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,902 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,400 |
| Independence from Whom | 0 | - | 4.99 | 211,690 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,970 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,473 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,206 |
| Countries by Founding Story | 0 | - | 4.95 | 77,210 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,379 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,244 |
| Panama Country Quiz | 0 | - | 4.61 | 25,799 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,435 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,205 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,267 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,813 |
| Asia Map Quiz | 0 | - | 4.99 | 916,719 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,753 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,184 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,398 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,391,422 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,181 |
| Random U.S. City to State | 0 | - | 4.45 | 76,316 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,611 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,735 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,623 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,803 |
| Boroughs of New York City | 0 | - | 4.47 | 84,592 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,020 |
| Countries of Africa | 0 | - | 5.00 | 2,536,854 |
| Which South American Country? | 0 | - | 4.69 | 51,944 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,803 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,489 |
| Peru Country Quiz | 0 | - | 4.54 | 48,659 |
| Chile Country Quiz | 0 | - | 4.77 | 40,046 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,857 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,900 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,374 |
| Australia Map Quiz | 0 | - | 4.95 | 344,601 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,452 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,971 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,883 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,229 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,633 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 27,060 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,797 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,816 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,843 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,303 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,042 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,417 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,863 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,348 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,794 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,446 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,925 |
| O Canada Lyrics | 0 | - | 4.47 | 50,943 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,058 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,513 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,123 |
| Cities in European History #1 | 0 | - | 4.63 | 133,986 |
| Name a City - European Countries | 0 | - | 4.90 | 65,369 |
| Cities by Former Name | 0 | - | 4.83 | 91,565 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,073 |
| Recently Independent Countries | 0 | - | 4.98 | 159,225 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,019 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,656 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,825 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,236 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,874 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,002 |
| The Only European Country ... | 0 | - | 4.91 | 216,611 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,243 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,887 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,215 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,479 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,818 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,122 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,649 |
| Arms Exports - United States | 0 | - | 4.77 | 62,410 |
| Countries by Former Name | 0 | - | 4.99 | 125,115 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,171 |
| Historical City to Country | 0 | - | 4.84 | 78,533 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,255 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,652 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,658 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,622 |
| Belize Country Quiz | 0 | - | 4.85 | 20,972 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,212 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,401 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,687 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,969 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,874 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,797 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,461 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,244 |
| Flags of North and South America | 0 | - | 4.99 | 373,061 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,603 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,511 |
| Counties of England | 0 | - | 4.97 | 796,689 |
| African East Coast | 0 | - | 4.96 | 96,062 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,442 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,173 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,498 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,098 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,750 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,509 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,168 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 44,199 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,861 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,014 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,034 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,530 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,632 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,745 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,299 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,766 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,699 |
| State Quiz - Florida | 0 | - | 4.47 | 62,330 |
| State Quiz - Texas | 0 | - | 4.43 | 62,869 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,805 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,306 |