| The Only American Country ... | 0 | - | 4.92 | 120,755 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,754 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,411 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,599 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,930 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,162 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,219 |
| Flags of North and South America | 0 | - | 4.99 | 367,165 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,878 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,225 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,775 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,853 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,335 |
| The Only African Country ... | 0 | - | 4.99 | 128,360 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,776 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,105 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,951 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,863 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,970 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,952 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,941 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,362 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,741 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,396 |
| Independence from Whom | 0 | - | 4.99 | 209,670 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,733 |
| Central American Countries | 0 | - | 4.98 | 155,045 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,657 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,992 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,844 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,935 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,893 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,082 |
| Countries by Founding Story | 0 | - | 4.95 | 76,525 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,381 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,882 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,784 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,925 |
| States of Mexico | 0 | - | 4.95 | 173,331 |
| States of Brazil | 0 | - | 4.98 | 86,379 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,956 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,904 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,888 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,267 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,155 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,249 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,414 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,274 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,235 |
| Asia Map Quiz | 0 | - | 4.99 | 906,969 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,190 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,072 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,273 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,094 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,673 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,459 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,846 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,354 |
| Pixelated United States Map | 0 | - | 4.89 | 93,471 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,725 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,353 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,408 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,665 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,901 |
| U.S. States By Population | 0 | - | 4.92 | 152,360 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,401 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,862 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,895 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,549 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,763 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,877 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,873 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,077 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,479 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,065 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,658 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,826 |
| Name a City - European Countries | 0 | - | 4.92 | 64,386 |
| Cities by Former Name | 0 | - | 4.84 | 90,965 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,183 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,861 |
| Recently Independent Countries | 0 | - | 4.98 | 157,980 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,971 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,810 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,543 |
| The Only European Country ... | 0 | - | 4.91 | 213,817 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,130 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,488 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,148 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,843 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,523 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,202 |
| Countries by Former Name | 0 | - | 4.99 | 124,277 |
| Countries of Africa | 0 | - | 5.00 | 2,507,688 |
| Historical City to Country | 0 | - | 4.84 | 78,124 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,884 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,791 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,460 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,924 |
| Australia Map Quiz | 0 | - | 4.94 | 342,465 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,296 |
| African East Coast | 0 | - | 4.96 | 95,040 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,392 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,420 |
| Cities in European History #1 | 0 | - | 4.63 | 133,115 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,940 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,537 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,880 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,269 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,620 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,611 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,483 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,725 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,567 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,090 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,928 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,942 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,521 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,504 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,051 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,217 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,297 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,284 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,261 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,606 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,559 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,808 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,212 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,349 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,804 |
| Former Capitals | 0 | - | 4.88 | 71,140 |
| Europe Capital to Country | 0 | - | 4.99 | 247,784 |
| Asia Capital to Country | 0 | - | 4.96 | 125,750 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,447 |
| European Capitals by Map | 0 | - | 4.99 | 136,248 |
| African Capitals by Map | 0 | - | 4.99 | 132,165 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,122 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,181 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,602 |
| European Coastal Capitals | 0 | - | 4.95 | 89,747 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,181 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,783 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,783 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,421 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,835 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,728 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,309 |
| Countries of the Middle East | 0 | - | 4.96 | 198,903 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,252 |
| Slavic Countries | 0 | - | 4.96 | 110,852 |
| African Island Countries | 0 | - | 4.96 | 100,785 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,271 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,497 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,713 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,803 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,700 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,480 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,101 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,619 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,713 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,759 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,150 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,158 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,284 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,568 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,268 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,405 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,238 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,503 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,463 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,197 |
| North America Map Quiz | 0 | - | 4.98 | 244,416 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,433 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,342 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,297 |
| Australian States and Territories | 0 | - | 4.95 | 140,822 |
| Counties of England | 0 | - | 4.97 | 789,141 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,871 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,150 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,687 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,017 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,679 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,439 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,820 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,647 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,765 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,597 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| North America Cities by Map | 0 | - | 4.41 | 47,615 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,542 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,376 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,461 |
| The Only Asian Country ... | 0 | - | 4.74 | 121,867 |
| Belize Country Quiz | 0 | - | 4.85 | 20,805 |
| Territories of the United States | 0 | - | 4.79 | 52,142 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,223 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,374 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,937 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,988 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,844 |
