| Countries of North America Quiz | 0 | - | 5.00 | 1,023,591 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,911 |
| Central American Countries | 0 | - | 4.98 | 156,501 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,673 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,137 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,206 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,581 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,698 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,046 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,710 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,790 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,396 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,374 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,062 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,897 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,139 |
| Monarchies of Europe | 0 | - | 4.90 | 98,171 |
| Monarchies of Asia | 0 | - | 4.97 | 71,105 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,904 |
| The Only American Country ... | 0 | - | 4.92 | 121,637 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,495 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,410 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,010 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,487 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,199 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,491 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,872 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,818 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,112 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,147 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,045 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,987 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,493 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,756 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,968 |
| States of Mexico | 0 | - | 4.96 | 176,174 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,122 |
| Countries of Africa | 0 | - | 5.00 | 2,538,019 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,105 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,492 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,859 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,313 |
| The Only European Country ... | 0 | - | 4.91 | 216,729 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,340 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,420 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,192 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,661 |
| Pixelated United States Map | 0 | - | 4.87 | 94,289 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,897 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,454 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,466 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,040 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,328 |
| U.S. States By Population | 0 | - | 4.92 | 153,562 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,476 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,453 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,545 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,223 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,638 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,015 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,744 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,215 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,527 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,260 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,880 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,661 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,690 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,182 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,144 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,589 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,010 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,831 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,801 |
| Countries of the Middle East | 0 | - | 4.96 | 201,229 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,321 |
| Slavic Countries | 0 | - | 4.96 | 111,694 |
| African Island Countries | 0 | - | 4.96 | 101,659 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,890 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,933 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,535 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,562 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,032 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,698 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,778 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,625 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,249 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,238 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,610 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,278 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,178 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,019 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,292 |
| Canada Country Quiz | 0 | - | 4.54 | 132,503 |
| United States Country Quiz | 0 | - | 4.43 | 101,541 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,057 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,816 |
| Flags of North and South America | 0 | - | 4.99 | 373,230 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,784 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,492 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,570 |
| Countries that Start with A | 0 | - | 4.98 | 2,163,180 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,858 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,485 |
| Countries that Start with D | 0 | - | 4.96 | 709,913 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,517 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,683 |
| Countries that Start with H | 0 | - | 4.96 | 604,968 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,573 |
| Countries that Start with J | 0 | - | 4.98 | 602,660 |
| Countries that Start with K | 0 | - | 4.97 | 816,024 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,995 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,982 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,380 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,194 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,055 |
| Countries that Start with U | 0 | - | 4.97 | 904,672 |
| Countries that Start with V | 0 | - | 4.98 | 609,479 |
| Countries that Start with F | 0 | - | 4.83 | 617,797 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,983 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,896 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,943 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,892 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,366 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,848 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,448 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,373 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,928 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,326 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,098 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,871 |
| The Only African Country ... | 0 | - | 4.99 | 129,123 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,139 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,792 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,884 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,579 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,034 |
| European Countries with One Border | 0 | - | 4.97 | 182,818 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,621 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,520 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,227 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,529 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,495 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,456 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,592 |
| North America Cities by Map | 0 | - | 4.41 | 47,816 |
| Countries That Border Russia | 0 | - | 4.98 | 461,833 |
| Countries Bordering France | 0 | - | 4.83 | 402,633 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,494 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,189 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,617 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,085 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,013 |
| Territories of the United States | 0 | - | 4.80 | 52,406 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,611 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,680 |
| UK Immigration by Country | 0 | - | 4.94 | 140,930 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,033 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,264 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,625 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,462 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,625 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,637 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,519 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,250 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,368 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,090 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,862 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,054 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,590 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,120 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,970 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,400 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,159 |
| Germany Country Quiz | 0 | - | 4.83 | 157,895 |
| Russia Country Quiz | 0 | - | 4.83 | 114,514 |
| Japan Country Quiz | 0 | - | 4.93 | 142,508 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,848 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,358 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,080 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,218 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,352 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,784 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,452 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,701 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,092 |
| States of Brazil | 0 | - | 4.97 | 88,158 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,950 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,940 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,886 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,032 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,415 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,530 |
| Countries with Megacities | 0 | - | 4.99 | 263,569 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,373 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,289 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,649 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,324 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,348 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,638 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,938 |
