| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,211 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,794 |
| African Great Lakes | 0 | - | 4.82 | 66,385 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,453 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,562 |
| US States Quiz | 0 | - | 5.00 | 16,902,220 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,350 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,078 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,924 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,198 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,782 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,542 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,909 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,046 |
| States of Mexico | 0 | - | 4.96 | 176,507 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,856 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,911 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,434 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,498 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,618 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,739 |
| Pixelated United States Map | 0 | - | 4.87 | 94,394 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,050 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,609 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,581 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,200 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,507 |
| U.S. States By Population | 0 | - | 4.92 | 153,667 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,617 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,536 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,286 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,729 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,877 |
| Countries with Fjords | 0 | - | 4.94 | 100,992 |
| US States with an Empty Map | 0 | - | 5.00 | 625,493 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,866 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,150 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,198 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,920 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,255 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,166 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,593 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,702 |
| Flags of North and South America | 0 | - | 4.99 | 373,845 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,880 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,224 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,566 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,256 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,762 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,393 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,137 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,779 |
| Rivers of the United States | 0 | - | 4.93 | 66,275 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,293 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,048 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,830 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,938 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,249 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,958 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,710 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,058 |
| North Sea Countries | 0 | - | 4.92 | 87,457 |
| Black Sea Countries | 0 | - | 4.87 | 60,637 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,424 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,530 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,225 |
| Countries With No Rivers | 0 | - | 4.96 | 76,878 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,265 |
| The Only American Country ... | 0 | - | 4.92 | 121,749 |
| Belize Country Quiz | 0 | - | 4.85 | 21,004 |
| African Physical Geography | 0 | - | 4.51 | 31,729 |
| Asian Physical Geography | 0 | - | 4.61 | 35,550 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,583 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,306 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,604 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,765 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,202 |
| States of Brazil | 0 | - | 4.97 | 88,409 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,088 |
| South American Physical Geography | 0 | - | 4.58 | 18,362 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,101 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,869 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,468 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,452 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,670 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,963 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,318 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,408 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,390 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,751 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,995 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,661 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,601 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,280 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,774 |
| Canada Country Quiz | 0 | - | 4.54 | 132,598 |
| United States Country Quiz | 0 | - | 4.43 | 101,648 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,005 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,199 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,287 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,036 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,918 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,298 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,667 |
| Megadiverse Countries | 0 | - | 4.96 | 134,971 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,122 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,773 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,633 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,883 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,143 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,328 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,400 |
| Asia Map Quiz | 0 | - | 4.99 | 918,457 |
| European Physical Geography | 0 | - | 4.26 | 33,531 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,696 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,180 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,422 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,635 |
| Random U.S. City to State | 0 | - | 4.45 | 76,389 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,818 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,935 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,114 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,094 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,067 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,791 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,707 |
| Boroughs of New York City | 0 | - | 4.47 | 84,680 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,532 |
| Countries of Africa | 0 | - | 5.00 | 2,542,045 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,992 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,690 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,495 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,560 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,648 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,126 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,219 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,122 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,987 |
| Australia Map Quiz | 0 | - | 4.95 | 344,919 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,830 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,827 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,888 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,944 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,320 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,478 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,912 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,376 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,856 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,515 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,225 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,895 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,515 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,789 |
| New England States | 0 | - | 4.51 | 59,826 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,971 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,858 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,026 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,878 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,072 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,976 |
| U.S. States by Borders | 0 | - | 4.61 | 35,355 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,519 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,116 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,255 |
| O Canada Lyrics | 0 | - | 4.47 | 50,970 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,870 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,164 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,447 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,522 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,102 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,407 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,372 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,929 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,257 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,027 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,006 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,525 |
| The Only European Country ... | 0 | - | 4.91 | 217,140 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,271 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,613 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,417 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,713 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,401 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,282 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,890 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,700 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,198 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,984 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,830 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,140 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,049 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,496 |
| Largest United States Airlines | 0 | - | 4.39 | 55,057 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,279 |
| Counties of England | 0 | - | 4.97 | 798,149 |
| Seas of Europe | 0 | - | 4.37 | 84,699 |
| African East Coast | 0 | - | 4.96 | 96,185 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,509 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,464 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,646 |
