| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,431 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,995 |
| African Great Lakes | 0 | - | 4.82 | 67,107 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,660 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,036 |
| US States Quiz | 0 | - | 5.00 | 17,018,554 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,865 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,240 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,383 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,776 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,543 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,947 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,764 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,580 |
| States of Mexico | 0 | - | 4.96 | 178,670 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,702 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,568 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,662 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,626 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,857 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,114 |
| Pixelated United States Map | 0 | - | 4.89 | 94,913 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,168 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,412 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,442 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,493 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,531 |
| U.S. States By Population | 0 | - | 4.92 | 154,233 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,349 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,965 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,590 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,192 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,236 |
| Countries with Fjords | 0 | - | 4.94 | 101,572 |
| US States with an Empty Map | 0 | - | 5.00 | 629,474 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,799 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,585 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,178 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,585 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,825 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,374 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,366 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,868 |
| Flags of North and South America | 0 | - | 4.99 | 377,974 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,567 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,242 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,095 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,361 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,434 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,564 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,553 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,342 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 414,377 |
| Rivers of the United States | 0 | - | 4.93 | 66,775 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,813 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,978 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,637 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,458 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,972 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,252 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,898 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,221 |
| North Sea Countries | 0 | - | 4.92 | 87,778 |
| Black Sea Countries | 0 | - | 4.87 | 60,791 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,656 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,744 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,762 |
| Countries With No Rivers | 0 | - | 4.96 | 77,252 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,424 |
| The Only American Country ... | 0 | - | 4.92 | 122,335 |
| Belize Country Quiz | 0 | - | 4.85 | 21,112 |
| African Physical Geography | 0 | - | 4.51 | 31,830 |
| Asian Physical Geography | 0 | - | 4.61 | 35,639 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,767 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,938 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,085 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,065 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,709 |
| States of Brazil | 0 | - | 4.98 | 90,006 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,002 |
| South American Physical Geography | 0 | - | 4.58 | 18,411 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,228 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,206 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,207 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,166 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,943 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,598 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,419 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,032 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,649 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,967 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,280 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,576 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,693 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,641 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,046 |
| Canada Country Quiz | 0 | - | 4.55 | 133,151 |
| United States Country Quiz | 0 | - | 4.43 | 102,322 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,529 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,294 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,673 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,249 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,097 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,497 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,297 |
| Megadiverse Countries | 0 | - | 4.96 | 148,775 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,313 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,341 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,971 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,577 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,270 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,184 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,511 |
| Asia Map Quiz | 0 | - | 4.99 | 926,527 |
| European Physical Geography | 0 | - | 4.26 | 33,615 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,342 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,364 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,510 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,080 |
| Random U.S. City to State | 0 | - | 4.45 | 77,012 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,192 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,942 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,871 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,662 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,193 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,911 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,816 |
| Boroughs of New York City | 0 | - | 4.47 | 85,392 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,694 |
| Countries of Africa | 0 | - | 5.00 | 2,564,044 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,457 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,708 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,822 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,796 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,838 |
| Jamaica Country Quiz | 0 | - | 4.59 | 35,264 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,921 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,378 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,925 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,241 |
| Australia Map Quiz | 0 | - | 4.95 | 346,444 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,520 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,975 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,191 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,548 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,384 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,129 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,510 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,554 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,162 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,677 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,471 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,996 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,584 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,849 |
| New England States | 0 | - | 4.51 | 59,908 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,184 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,109 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,134 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,207 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,331 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,180 |
| U.S. States by Borders | 0 | - | 4.61 | 35,512 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,712 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,390 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,478 |
| O Canada Lyrics | 0 | - | 4.47 | 51,083 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,933 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,725 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,914 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,928 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,329 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,276 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,447 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,162 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,755 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,873 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,944 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,222 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,442 |
| The Only European Country ... | 0 | - | 4.91 | 219,513 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,805 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,283 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,793 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,976 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,624 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,061 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,910 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,247 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,189 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,584 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,130 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,789 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,905 |
| Largest United States Airlines | 0 | - | 4.39 | 55,181 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,970 |
| Counties of England | 0 | - | 4.97 | 804,060 |
| Seas of Europe | 0 | - | 4.37 | 84,962 |
| African East Coast | 0 | - | 4.96 | 96,911 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,575 |
