| Countries of Africa | 0 | - | 5.00 | 2,555,740 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,575 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,713 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,264 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,073 |
| African Island Countries | 0 | - | 4.96 | 102,339 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,453 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,196 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,375 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,165 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,034 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,402 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,348 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,579 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,989 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,525 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,579 |
| The Only African Country ... | 0 | - | 4.99 | 129,577 |
| The Only American Country ... | 0 | - | 4.92 | 122,128 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,344 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,078 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,233 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,722 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,483 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,917 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,132 |
| US States Quiz | 0 | - | 5.00 | 16,976,672 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,769 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,417 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,218 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,746 |
| Tanzania Country Quiz | 0 | - | 4.91 | 33,224 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,773 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,963 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,515 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,405 |
| States of Mexico | 0 | - | 4.96 | 177,898 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,446 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,895 |
| Belize Country Quiz | 0 | - | 4.85 | 21,069 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,935 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,504 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,885 |
| The Only European Country ... | 0 | - | 4.91 | 218,625 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,657 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,579 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,316 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,876 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 93,847 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,888 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,678 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,790 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,095 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,887 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,096 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,207 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,952 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,496 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,786 |
| Pixelated United States Map | 0 | - | 4.88 | 94,734 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,940 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,156 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,172 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,216 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,215 |
| U.S. States By Population | 0 | - | 4.92 | 154,061 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,116 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,825 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,492 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,023 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,632 |
| Mauritius Country Quiz | 0 | - | 4.83 | 22,370 |
| Liberia Country Quiz | 0 | - | 4.85 | 21,994 |
| US States with an Empty Map | 0 | - | 5.00 | 628,002 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,626 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,511 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,735 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,347 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,874 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,334 |
| African Capitals by Map | 0 | - | 4.99 | 141,871 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,557 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,280 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,661 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,505 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,464 |
| Countries of the Middle East | 0 | - | 4.96 | 202,411 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,051 |
| Slavic Countries | 0 | - | 4.96 | 112,267 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,130 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,015 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,678 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,212 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,382 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,439 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,908 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,701 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,926 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,801 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,057 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,536 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,189 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,841 |
| Canada Country Quiz | 0 | - | 4.55 | 132,957 |
| United States Country Quiz | 0 | - | 4.43 | 102,103 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,888 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,454 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,516 |
| Flags of North and South America | 0 | - | 4.99 | 376,332 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,361 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,357 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,971 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,905 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,187 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,031 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,396 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,628 |
| Random African Flag to Country | 0 | - | 4.88 | 75,546 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,499 |
| Sudan Country Quiz | 0 | - | 4.91 | 27,821 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,354 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,765 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,374 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,117 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,728 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,167 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,170 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,868 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,767 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,787 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,397 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,002 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,436 |
| Monarchies of Europe | 0 | - | 4.90 | 98,752 |
| Monarchies of Asia | 0 | - | 4.97 | 71,444 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,230 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,248 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,393 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,351 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,712 |
| European Countries with One Border | 0 | - | 4.97 | 183,611 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,380 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,359 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,691 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,370 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,675 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.70 | 67,930 |
| Countries That Border Russia | 0 | - | 4.98 | 464,203 |
| Countries Bordering France | 0 | - | 4.83 | 404,610 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,570 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,717 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,779 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,224 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,324 |
| Europe Map Quiz | 0 | - | 5.00 | 4,783,569 |
| O Canada Lyrics | 0 | - | 4.47 | 51,050 |
| UK Immigration by Country | 0 | - | 4.94 | 141,566 |
| Central American Countries | 0 | - | 4.98 | 157,202 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,403 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,707 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,854 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,018 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,498 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,902 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,968 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,528 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,714 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,281 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,757 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,685 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,693 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,393 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,848 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,526 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,721 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,669 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,850 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,150 |
| Germany Country Quiz | 0 | - | 4.82 | 158,702 |
| Russia Country Quiz | 0 | - | 4.83 | 115,222 |
| Japan Country Quiz | 0 | - | 4.93 | 143,199 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,812 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,681 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,541 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,050 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,536 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,900 |
| Palau Country Quiz | 0 | - | 4.90 | 23,131 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,503 |
| States of Brazil | 0 | - | 4.97 | 89,425 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,673 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,100 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,749 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,129 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,897 |
| Countries with Megacities | 0 | - | 4.99 | 266,604 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,599 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,976 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,902 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,077 |
