| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,440 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,366 |
| US States with an Empty Map | 0 | - | 5.00 | 623,693 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,576 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,141 |
| US States Quiz | 0 | - | 5.00 | 16,845,588 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,299 |
| Rivers of the United States | 0 | - | 4.93 | 66,099 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,363 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,579 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,357 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,121 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,098 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,665 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,718 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,766 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,208 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,477 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,539 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,259 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,125 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,837 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,455 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,994 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,695 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,885 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,900 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,557 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,178 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,014 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,733 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,503 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,678,082 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,582 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,548 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,478 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,865 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,852 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,900 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,266 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,041 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,529 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,998 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 79,181 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,798 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,380 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,216 |
| Central American Countries | 0 | - | 4.98 | 156,152 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,822 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,668 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,572 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,458 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,148 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,947 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,081 |
| States of Mexico | 0 | - | 4.95 | 175,678 |
| Departments of France | 0 | - | 4.93 | 53,932 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,690 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,471 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,535,323 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,498 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,965 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,685 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,094 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,279 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,640 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,598 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,292 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,591 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,179 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,932 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,746 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,347 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,378 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,601 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,607 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,783 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,458 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,336 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,224 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,841 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,252 |
| Independence from Whom | 0 | - | 4.99 | 211,430 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,789 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,408 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,040 |
| Countries by Founding Story | 0 | - | 4.95 | 77,106 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,236 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,139 |
| Panama Country Quiz | 0 | - | 4.61 | 25,767 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,413 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,343 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,169 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,717 |
| Asia Map Quiz | 0 | - | 4.99 | 915,315 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,706 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,747 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,368 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,389,782 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,131 |
| Random U.S. City to State | 0 | - | 4.45 | 76,187 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,593 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,663 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,439 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,618 |
| Boroughs of New York City | 0 | - | 4.47 | 84,525 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,999 |
| Countries of Africa | 0 | - | 5.00 | 2,532,246 |
| Which South American Country? | 0 | - | 4.69 | 51,913 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,704 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,439 |
| Peru Country Quiz | 0 | - | 4.54 | 48,610 |
| Chile Country Quiz | 0 | - | 4.75 | 40,015 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,836 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,820 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,100 |
| Australia Map Quiz | 0 | - | 4.95 | 344,080 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,158 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,915 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,839 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,209 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,590 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 27,001 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,764 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,747 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,450 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,292 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,029 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,344 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,822 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,317 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,736 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,413 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,870 |
| O Canada Lyrics | 0 | - | 4.47 | 50,920 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,380 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,219 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,356 |
| Cities in European History #1 | 0 | - | 4.63 | 133,866 |
| Name a City - European Countries | 0 | - | 4.90 | 65,262 |
| Cities by Former Name | 0 | - | 4.83 | 91,473 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,050 |
| Recently Independent Countries | 0 | - | 4.98 | 159,074 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,695 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,909 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,699 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,964 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,789 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,936 |
| The Only European Country ... | 0 | - | 4.91 | 216,203 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,908 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,683 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,887 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,324 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,525 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,888 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,602 |
| Arms Exports - United States | 0 | - | 4.75 | 62,319 |
| Countries by Former Name | 0 | - | 4.99 | 124,967 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,369 |
| Historical City to Country | 0 | - | 4.84 | 78,456 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,161 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,587 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,617 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,451 |
| Belize Country Quiz | 0 | - | 4.85 | 20,946 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,192 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,509 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,550 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,773 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,727 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,777 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,441 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,931 |
| Flags of North and South America | 0 | - | 4.99 | 372,322 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,573 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,746 |
| Counties of England | 0 | - | 4.97 | 795,388 |
| African East Coast | 0 | - | 4.96 | 95,909 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,381 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,123 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,486 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,033 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,695 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,456 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,999 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,046 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,783 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,927 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,980 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,488 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,608 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,706 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,271 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,715 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,681 |
| State Quiz - Florida | 0 | - | 4.47 | 62,275 |
| State Quiz - Texas | 0 | - | 4.43 | 62,818 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,761 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,263 |