| The Only American Country ... | 0 | - | 4.92 | 122,040 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,412 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,047 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,700 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,039 |
| South America Map Quiz | 0 | - | 5.00 | 1,553,978 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,378 |
| Flags of North and South America | 0 | - | 4.99 | 375,766 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,053 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,853 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,141 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,452 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,492 |
| The Only African Country ... | 0 | - | 4.99 | 129,490 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,310 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,951 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,549 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,794 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,663 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,756 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,053 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,586 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,314 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,443 |
| Independence from Whom | 0 | - | 4.99 | 212,599 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,102 |
| Central American Countries | 0 | - | 4.98 | 157,100 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,138 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,140 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,707 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,564 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,772 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,725 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,604 |
| Countries by Founding Story | 0 | - | 4.95 | 77,565 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,421 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,774 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,433 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,319 |
| States of Mexico | 0 | - | 4.96 | 177,572 |
| States of Brazil | 0 | - | 4.97 | 89,168 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,504 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,680 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,321 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,436 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,308 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,208 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,992 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,751 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,696 |
| Asia Map Quiz | 0 | - | 4.99 | 922,811 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,108 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,539 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,949 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,866 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,567 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,244 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,227 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,526 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,860 |
| Pixelated United States Map | 0 | - | 4.88 | 94,640 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,771 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,980 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,994 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,644 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,994 |
| U.S. States By Population | 0 | - | 4.92 | 153,947 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,976 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,748 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,936 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,700 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,437 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,949 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,495 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,065 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,559 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,749 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,551 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,885 |
| Name a City - European Countries | 0 | - | 4.90 | 65,936 |
| Cities by Former Name | 0 | - | 4.83 | 91,896 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,018 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,016 |
| Recently Independent Countries | 0 | - | 4.98 | 159,722 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,226 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,594 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,686 |
| The Only European Country ... | 0 | - | 4.91 | 218,278 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,382 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,615 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,266 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,752 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,109 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,823 |
| Countries by Former Name | 0 | - | 4.99 | 125,581 |
| Countries of Africa | 0 | - | 5.00 | 2,552,296 |
| Historical City to Country | 0 | - | 4.85 | 78,767 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,132 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,228 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,666 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,400 |
| Australia Map Quiz | 0 | - | 4.95 | 345,720 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,669 |
| African East Coast | 0 | - | 4.96 | 96,529 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,394 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,329 |
| Cities in European History #1 | 0 | - | 4.63 | 134,431 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,724 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,482 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,250 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,012 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,184 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,416 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,364 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,225 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,728 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,306 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,266 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,910 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,659 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,369 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,044 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,317 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,141 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,093 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,712 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,403 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,078 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,426 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,738 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,592 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,243 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,784 |
| Former Capitals | 0 | - | 4.88 | 71,602 |
| Europe Capital to Country | 0 | - | 4.99 | 251,550 |
| Asia Capital to Country | 0 | - | 4.96 | 127,182 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,645 |
| European Capitals by Map | 0 | - | 4.99 | 141,383 |
| African Capitals by Map | 0 | - | 4.99 | 141,395 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,579 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,633 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,975 |
| European Coastal Capitals | 0 | - | 4.95 | 91,081 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,069 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,734 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,270 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,053 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,917 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,446 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,163 |
| Countries of the Middle East | 0 | - | 4.96 | 202,225 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,910 |
| Slavic Countries | 0 | - | 4.96 | 112,159 |
| African Island Countries | 0 | - | 4.96 | 102,218 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,621 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,071 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,326 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,226 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,554 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,090 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,285 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,029 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,262 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,331 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,855 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,624 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,811 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,284 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,059 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,694 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,969 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,949 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,592 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,626 |
| North America Map Quiz | 0 | - | 4.98 | 250,604 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,386 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,596 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,553 |
| Australian States and Territories | 0 | - | 4.96 | 142,584 |
| Counties of England | 0 | - | 4.97 | 801,077 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,808 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,391 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,530 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,442 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,870 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,896 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,126 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,281 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,232 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,086 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,662 |
| North America Cities by Map | 0 | - | 4.41 | 47,898 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,933 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,178 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,054 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,696 |
| Belize Country Quiz | 0 | - | 4.85 | 21,057 |
| Territories of the United States | 0 | - | 4.80 | 52,552 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,804 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,817 |
