| The Only American Country ... | 0 | - | 4.92 | 120,681 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,189 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,210 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,753 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,516 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,546 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,985 |
| Flags of North and South America | 0 | - | 4.99 | 366,088 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,464 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,931 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,554 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,614 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,279 |
| The Only African Country ... | 0 | - | 4.99 | 128,291 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,748 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,435 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,886 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,793 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,834 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,884 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,820 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,150 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,627 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,322 |
| Independence from Whom | 0 | - | 4.99 | 209,535 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,620 |
| Central American Countries | 0 | - | 4.98 | 154,944 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,568 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,953 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,695 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,624 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,092 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,021 |
| Countries by Founding Story | 0 | - | 4.95 | 76,466 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,352 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,664 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,704 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,418 |
| States of Mexico | 0 | - | 4.95 | 173,148 |
| States of Brazil | 0 | - | 4.98 | 86,256 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,826 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,848 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,744 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,151 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,074 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,129 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,520 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,681 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,124 |
| Asia Map Quiz | 0 | - | 4.99 | 906,156 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,937 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,048 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,212 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,054 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,613 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,339 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,758 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,274 |
| Pixelated United States Map | 0 | - | 4.89 | 93,390 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,623 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,268 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,320 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,542 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,808 |
| U.S. States By Population | 0 | - | 4.92 | 152,289 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,297 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,798 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,853 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,472 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,726 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,807 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,802 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,045 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,421 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,040 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,627 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,773 |
| Name a City - European Countries | 0 | - | 4.92 | 64,293 |
| Cities by Former Name | 0 | - | 4.84 | 90,891 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,592 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,042 |
| Recently Independent Countries | 0 | - | 4.98 | 157,898 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,793 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,750 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,387 |
| The Only European Country ... | 0 | - | 4.91 | 213,572 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,914 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,362 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,967 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,652 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,370 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,162 |
| Countries by Former Name | 0 | - | 4.99 | 124,188 |
| Countries of Africa | 0 | - | 5.00 | 2,505,405 |
| Historical City to Country | 0 | - | 4.84 | 78,093 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,246 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,734 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,352 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| Australia Map Quiz | 0 | - | 4.94 | 342,286 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,132 |
| African East Coast | 0 | - | 4.96 | 94,958 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,291 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,126 |
| Cities in European History #1 | 0 | - | 4.63 | 132,999 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,759 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,452 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,114 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,589 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,442 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,394 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,659 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,426 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,009 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,887 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,902 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,771 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,760 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,803 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,092 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,239 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,197 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,196 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,541 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,505 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,739 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,135 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,271 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,685 |
| Former Capitals | 0 | - | 4.88 | 71,099 |
| Europe Capital to Country | 0 | - | 4.99 | 247,356 |
| Asia Capital to Country | 0 | - | 4.96 | 125,655 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,335 |
| European Capitals by Map | 0 | - | 4.99 | 136,024 |
| African Capitals by Map | 0 | - | 4.99 | 132,083 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,002 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,542 |
| European Coastal Capitals | 0 | - | 4.95 | 89,676 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,155 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,478 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,608 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,388 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,775 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,807 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,114 |
| Countries of the Middle East | 0 | - | 4.96 | 198,757 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,183 |
| Slavic Countries | 0 | - | 4.96 | 110,790 |
| African Island Countries | 0 | - | 4.96 | 100,691 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,247 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,466 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,638 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,707 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,610 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,396 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,964 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,521 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,615 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,692 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,121 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,105 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,219 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,489 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,177 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,338 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,153 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,447 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,421 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,092 |
| North America Map Quiz | 0 | - | 4.98 | 244,104 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,388 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,291 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,550 |
| Australian States and Territories | 0 | - | 4.95 | 140,577 |
| Counties of England | 0 | - | 4.97 | 788,543 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,619 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,058 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,615 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,996 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,613 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,301 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,619 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,504 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,659 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,578 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,450 |
| North America Cities by Map | 0 | - | 4.41 | 47,597 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,461 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,320 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,391 |
| The Only Asian Country ... | 0 | - | 4.74 | 121,803 |
| Belize Country Quiz | 0 | - | 4.85 | 20,785 |
| Territories of the United States | 0 | - | 4.79 | 52,109 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,186 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,358 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,764 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,857 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,724 |
