| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,577 |
| US States with an Empty Map | 0 | - | 5.00 | 618,200 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,416 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,333 |
| US States Quiz | 0 | - | 5.00 | 16,681,348 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,473 |
| Rivers of the United States | 0 | - | 4.93 | 65,432 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,931 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,687 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,305 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,120 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,372 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,453 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,276 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,946 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,141 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,286 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,941 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,258 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,368 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,771 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,562 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,468 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,802 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,864 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,230 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,189 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,690 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,210 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,375 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,528 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,962 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,720 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,467 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,787 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,564 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,952 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,513 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,100 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,958 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,601 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,032 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,790 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,306 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,997 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,268 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,684 |
| Central American Countries | 0 | - | 4.98 | 154,923 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,678 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,210 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,192 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,128 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,881 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,328 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,605 |
| States of Mexico | 0 | - | 4.95 | 173,054 |
| Departments of France | 0 | - | 4.93 | 52,681 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,722 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,993 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,448 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,021 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,298 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,139 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,613 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,633 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,323 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,324 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,206 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,610 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,798 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,706 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,443 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,751 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,174 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,134 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,048 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,209 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,155 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 12,998 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,577 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,095 |
| Independence from Whom | 0 | - | 4.99 | 209,501 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,598 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,942 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,604 |
| Countries by Founding Story | 0 | - | 4.95 | 76,453 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,376 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,638 |
| Panama Country Quiz | 0 | - | 4.61 | 25,581 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,193 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,154 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,526 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,914 |
| Asia Map Quiz | 0 | - | 4.99 | 905,962 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,422 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,895 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.61 | 18,272 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,069 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,903 |
| Random U.S. City to State | 0 | - | 4.45 | 75,206 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,419 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,120 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,474 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,938 |
| Boroughs of New York City | 0 | - | 4.47 | 84,064 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,312 |
| Countries of Africa | 0 | - | 5.00 | 2,504,793 |
| Which South American Country? | 0 | - | 4.69 | 51,694 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,007 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,044 |
| Peru Country Quiz | 0 | - | 4.54 | 48,253 |
| Chile Country Quiz | 0 | - | 4.75 | 39,693 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,928 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,857 |
| Australia Map Quiz | 0 | - | 4.94 | 342,255 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,080 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,609 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,603 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,022 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,352 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 26,694 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,549 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,331 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,971 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,220 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,922 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,502 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,054 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,184 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,352 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,132 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,624 |
| O Canada Lyrics | 0 | - | 4.47 | 50,766 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,372 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,596 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,684 |
| Cities in European History #1 | 0 | - | 4.63 | 132,971 |
| Name a City - European Countries | 0 | - | 4.92 | 64,277 |
| Cities by Former Name | 0 | - | 4.84 | 90,880 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,893 |
| Recently Independent Countries | 0 | - | 4.98 | 157,875 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,754 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,689 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,726 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,352 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,310 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,583 |
| The Only European Country ... | 0 | - | 4.91 | 213,526 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,855 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,332 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,921 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,372 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,609 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,341 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,157 |
| Arms Exports - United States | 0 | - | 4.70 | 54,272 |
| Countries by Former Name | 0 | - | 4.99 | 124,167 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,547 |
| Historical City to Country | 0 | - | 4.84 | 78,086 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 70,838 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,194 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,316 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,807 |
| Belize Country Quiz | 0 | - | 4.85 | 20,782 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,032 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,376 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,725 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,331 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,803 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,650 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,309 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,323 |
| Flags of North and South America | 0 | - | 4.99 | 365,720 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,432 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,355 |
| Counties of England | 0 | - | 4.97 | 788,425 |
| African East Coast | 0 | - | 4.96 | 94,939 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,893 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,836 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,404 |
| U.S. States by Clue #1 | 0 | - | 4.52 | 38,532 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,416 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,149 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,729 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,094 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,237 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,404 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,653 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,246 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,454 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,384 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,058 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,362 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,546 |
| State Quiz - Florida | 0 | - | 4.47 | 61,897 |
| State Quiz - Texas | 0 | - | 4.43 | 62,454 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,528 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,009 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,299 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,223 |
