| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,942 |
| US States with an Empty Map | 0 | - | 5.00 | 618,798 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,607 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,441 |
| US States Quiz | 0 | - | 5.00 | 16,699,641 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,571 |
| Rivers of the United States | 0 | - | 4.93 | 65,509 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,972 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,784 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,266 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,443 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,528 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,311 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,073 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,210 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,412 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,064 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,279 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,150 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,804 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,705 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,577 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,929 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,222 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,346 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,408 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,802 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,310 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,441 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,770 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,219 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,664,554 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,695 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,862 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,656 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,059 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,548 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,186 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,974 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,649 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,436 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,941 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,413 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,107 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,278 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,924 |
| Central American Countries | 0 | - | 4.98 | 155,036 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,841 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,256 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,222 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,156 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,902 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,380 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,881 |
| States of Mexico | 0 | - | 4.95 | 173,330 |
| Departments of France | 0 | - | 4.93 | 52,803 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,887 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,196 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,448 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,531 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,495 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,262 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,724 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,773 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,489 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,443 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,273 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,672 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,048 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,761 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,597 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,790 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,214 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,245 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,224 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,548 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,186 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,016 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,603 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,262 |
| Independence from Whom | 0 | - | 4.99 | 209,665 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,729 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,992 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,931 |
| Countries by Founding Story | 0 | - | 4.95 | 76,525 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,479 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,723 |
| Panama Country Quiz | 0 | - | 4.61 | 25,605 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,211 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,408 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,268 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,216 |
| Asia Map Quiz | 0 | - | 4.99 | 906,958 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,451 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,186 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.61 | 18,282 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,380,226 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,923 |
| Random U.S. City to State | 0 | - | 4.45 | 75,318 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,438 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,190 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,176 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,858 |
| Boroughs of New York City | 0 | - | 4.47 | 84,096 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,663 |
| Countries of Africa | 0 | - | 5.00 | 2,507,652 |
| Which South American Country? | 0 | - | 4.69 | 51,721 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,083 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,083 |
| Peru Country Quiz | 0 | - | 4.54 | 48,301 |
| Chile Country Quiz | 0 | - | 4.75 | 39,720 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,876 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,738 |
| Australia Map Quiz | 0 | - | 4.94 | 342,463 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,296 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,637 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,630 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,044 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,365 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 26,730 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,577 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,382 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,031 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,226 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,927 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,533 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,076 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,196 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,405 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,171 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,662 |
| O Canada Lyrics | 0 | - | 4.47 | 50,781 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,499 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,493 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,191 |
| Cities in European History #1 | 0 | - | 4.63 | 133,113 |
| Name a City - European Countries | 0 | - | 4.92 | 64,385 |
| Cities by Former Name | 0 | - | 4.84 | 90,962 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,924 |
| Recently Independent Countries | 0 | - | 4.98 | 157,979 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,964 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,702 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,810 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,541 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,374 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,619 |
| The Only European Country ... | 0 | - | 4.91 | 213,810 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,127 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,487 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,147 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,458 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,841 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,522 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,201 |
| Arms Exports - United States | 0 | - | 4.70 | 54,346 |
| Countries by Former Name | 0 | - | 4.99 | 124,273 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,578 |
| Historical City to Country | 0 | - | 4.84 | 78,124 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,112 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,241 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,341 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,875 |
| Belize Country Quiz | 0 | - | 4.85 | 20,805 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,051 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,923 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,787 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,460 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,924 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,663 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,317 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,281 |
| Flags of North and South America | 0 | - | 4.99 | 367,147 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,448 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,871 |
| Counties of England | 0 | - | 4.97 | 789,130 |
| African East Coast | 0 | - | 4.96 | 95,040 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,942 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,863 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,415 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,605 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,435 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,186 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 51,947 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 39,630 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,296 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,482 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,690 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,270 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,477 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,424 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,086 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,402 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,562 |
| State Quiz - Florida | 0 | - | 4.47 | 61,935 |
| State Quiz - Texas | 0 | - | 4.43 | 62,508 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,553 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,032 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,324 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,247 |
