| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,494 |
| US States with an Empty Map | 0 | - | 5.00 | 618,043 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,391 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,311 |
| US States Quiz | 0 | - | 5.00 | 16,676,586 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,456 |
| Rivers of the United States | 0 | - | 4.93 | 65,423 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,919 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,663 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,300 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,088 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,353 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,434 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,266 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,117 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,257 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,880 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,247 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,176 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,754 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,521 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,439 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,768 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,734 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,151 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,666 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,178 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,357 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,463 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,932 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,346 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,417 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,773 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,541 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,924 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,504 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,087 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,949 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,587 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,803 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,746 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,280 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,973 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,259 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,624 |
| Central American Countries | 0 | - | 4.98 | 154,901 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,657 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,191 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,179 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,125 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,866 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,310 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,541 |
| States of Mexico | 0 | - | 4.95 | 172,999 |
| Departments of France | 0 | - | 4.93 | 52,629 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,693 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,943 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,515,905 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,960 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,247 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,119 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,595 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,610 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,287 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,195 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,601 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,884 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,688 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,398 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,733 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,158 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,109 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 123,995 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,951 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,153 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 12,994 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,574 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,056 |
| Independence from Whom | 0 | - | 4.99 | 209,434 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,577 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,937 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,582 |
| Countries by Founding Story | 0 | - | 4.95 | 76,440 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,348 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,595 |
| Panama Country Quiz | 0 | - | 4.61 | 25,577 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,192 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,912 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,355 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,544 |
| Asia Map Quiz | 0 | - | 4.99 | 905,600 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,417 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,794 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.61 | 18,269 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,378,898 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,897 |
| Random U.S. City to State | 0 | - | 4.45 | 75,186 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,416 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,101 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,284 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,730 |
| Boroughs of New York City | 0 | - | 4.47 | 84,052 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,109 |
| Countries of Africa | 0 | - | 5.00 | 2,503,979 |
| Which South American Country? | 0 | - | 4.69 | 51,690 |
| Brazil Country Quiz | 0 | - | 4.52 | 100,992 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,029 |
| Peru Country Quiz | 0 | - | 4.54 | 48,240 |
| Chile Country Quiz | 0 | - | 4.75 | 39,684 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,420 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,433 |
| Australia Map Quiz | 0 | - | 4.94 | 342,203 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,040 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,600 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,599 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,018 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,350 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 26,689 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,546 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,314 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,957 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,217 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,920 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,492 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,048 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,177 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,343 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,125 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,618 |
| O Canada Lyrics | 0 | - | 4.47 | 50,764 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,825 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,382 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,508 |
| Cities in European History #1 | 0 | - | 4.63 | 132,945 |
| Name a City - European Countries | 0 | - | 4.92 | 64,256 |
| Cities by Former Name | 0 | - | 4.84 | 90,858 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,893 |
| Recently Independent Countries | 0 | - | 4.98 | 157,853 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,698 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,487 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,696 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,316 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,292 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,578 |
| The Only European Country ... | 0 | - | 4.91 | 213,450 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,807 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,289 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,853 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,347 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,554 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,300 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Arms Exports - United States | 0 | - | 4.70 | 54,259 |
| Countries by Former Name | 0 | - | 4.99 | 124,136 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,259 |
| Historical City to Country | 0 | - | 4.84 | 78,080 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 70,751 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,189 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,308 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,777 |
| Belize Country Quiz | 0 | - | 4.85 | 20,778 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,031 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,254 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,715 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,276 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,767 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,646 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,302 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,111 |
| Flags of North and South America | 0 | - | 4.99 | 365,315 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,430 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,202 |
| Counties of England | 0 | - | 4.97 | 788,211 |
| African East Coast | 0 | - | 4.96 | 94,902 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,886 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,830 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,403 |
| U.S. States by Clue #1 | 0 | - | 4.52 | 38,519 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,413 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,141 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,725 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,077 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,229 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,391 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,644 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,234 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,452 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,375 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,051 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,352 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,543 |
| State Quiz - Florida | 0 | - | 4.47 | 61,891 |
| State Quiz - Texas | 0 | - | 4.43 | 62,450 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,521 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,001 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,295 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,215 |
