| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,015 |
| US States with an Empty Map | 0 | - | 5.00 | 618,848 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,629 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,449 |
| US States Quiz | 0 | - | 5.00 | 16,701,261 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,581 |
| Rivers of the United States | 0 | - | 4.93 | 65,519 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,980 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,795 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,288 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,450 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,536 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,317 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,087 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,217 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,420 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,067 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,283 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,236 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,807 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,719 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,587 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,948 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,266 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,361 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,445 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,812 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,318 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,448 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,796 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,232 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,664,657 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,713 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,871 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,659 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,066 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,552 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,193 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,977 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,656 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,460 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,949 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,428 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,113 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,279 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,942 |
| Central American Countries | 0 | - | 4.98 | 155,056 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,878 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,261 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,225 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,160 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,906 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,385 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,897 |
| States of Mexico | 0 | - | 4.95 | 173,348 |
| Departments of France | 0 | - | 4.93 | 52,829 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,901 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,207 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,669 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,553 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,510 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,275 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,733 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,788 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,504 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,449 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,280 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,681 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,416 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,767 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,618 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,839 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,224 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,257 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,246 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,676 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,188 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,017 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,606 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,295 |
| Independence from Whom | 0 | - | 4.99 | 209,687 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,745 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,998 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,010 |
| Countries by Founding Story | 0 | - | 4.95 | 76,536 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,493 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,733 |
| Panama Country Quiz | 0 | - | 4.61 | 25,606 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,213 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,491 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,316 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,344 |
| Asia Map Quiz | 0 | - | 4.99 | 907,045 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,453 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,204 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.61 | 18,284 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,380,368 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,926 |
| Random U.S. City to State | 0 | - | 4.45 | 75,323 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,439 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,202 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,259 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,915 |
| Boroughs of New York City | 0 | - | 4.47 | 84,101 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,692 |
| Countries of Africa | 0 | - | 5.00 | 2,507,930 |
| Which South American Country? | 0 | - | 4.69 | 51,723 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,090 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,088 |
| Peru Country Quiz | 0 | - | 4.54 | 48,303 |
| Chile Country Quiz | 0 | - | 4.75 | 39,724 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,927 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,894 |
| Australia Map Quiz | 0 | - | 4.94 | 342,486 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,308 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,640 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,634 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,046 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,365 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 26,744 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,583 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,386 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,034 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,228 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,928 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,537 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,078 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,197 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,412 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,178 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,664 |
| O Canada Lyrics | 0 | - | 4.47 | 50,782 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,688 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,589 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,264 |
| Cities in European History #1 | 0 | - | 4.63 | 133,130 |
| Name a City - European Countries | 0 | - | 4.92 | 64,393 |
| Cities by Former Name | 0 | - | 4.84 | 90,973 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,925 |
| Recently Independent Countries | 0 | - | 4.98 | 157,986 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,998 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,802 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,816 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,564 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,381 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,622 |
| The Only European Country ... | 0 | - | 4.91 | 213,840 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,150 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,500 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,163 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,472 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,867 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,541 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| Arms Exports - United States | 0 | - | 4.70 | 54,359 |
| Countries by Former Name | 0 | - | 4.99 | 124,287 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,673 |
| Historical City to Country | 0 | - | 4.84 | 78,126 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,139 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,243 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,348 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,887 |
| Belize Country Quiz | 0 | - | 4.85 | 20,807 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,054 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,966 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,800 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,472 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,926 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,667 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,318 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,408 |
| Flags of North and South America | 0 | - | 4.99 | 367,246 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,449 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,922 |
| Counties of England | 0 | - | 4.97 | 789,204 |
| African East Coast | 0 | - | 4.96 | 95,055 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,945 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,868 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,418 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,617 |
| 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 | 52,070 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 39,783 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,306 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,487 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,698 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,272 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,480 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,430 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,088 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,410 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,562 |
| State Quiz - Florida | 0 | - | 4.47 | 61,942 |
| State Quiz - Texas | 0 | - | 4.43 | 62,510 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,556 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,035 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,326 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,249 |
