| Countries of North America Quiz | 0 | - | 5.00 | 1,010,285 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,827 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,454 |
| Central American Countries | 0 | - | 4.98 | 154,903 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,502 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,920 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,411 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,264 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,216 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,596 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,633 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,868 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,712 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,181 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,770 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,475 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,008 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,121 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,639 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,278 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,325 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,264 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,701 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,224 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,462 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,246 |
| The Only American Country ... | 0 | - | 4.92 | 120,647 |
| European Countries with One Border | 0 | - | 4.97 | 181,442 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,958 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,369 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,467 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,848 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,736 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,796 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,290 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,994 |
| Countries That Border Russia | 0 | - | 4.98 | 458,503 |
| Countries Bordering France | 0 | - | 4.85 | 395,610 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,632 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,541 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,664 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,345 |
| States of Mexico | 0 | - | 4.95 | 173,000 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,035 |
| Countries of Africa | 0 | - | 5.00 | 2,504,024 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,702 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,423 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,698 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,322 |
| The Only European Country ... | 0 | - | 4.91 | 213,455 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,811 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,038 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,301 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,038 |
| Countries Bordering India | 0 | - | 4.98 | 162,530 |
| Countries that Border China | 0 | - | 4.96 | 261,660 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,352 |
| Countries that Border Poland | 0 | - | 4.99 | 171,184 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,564 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,195 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,256 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,468 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,733 |
| U.S. States By Population | 0 | - | 4.92 | 152,243 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,233 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,766 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,830 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,699 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,778 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,761 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,024 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,388 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,015 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,602 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,664 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,081 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,147 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,742 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,213 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,972 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,676 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,426 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,452 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,490 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,269 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,014 |
| Countries of the Middle East | 0 | - | 4.96 | 198,682 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,128 |
| Slavic Countries | 0 | - | 4.96 | 110,765 |
| African Island Countries | 0 | - | 4.96 | 100,641 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,574 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,348 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,895 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,458 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,571 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,665 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,102 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,064 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,181 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,452 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,141 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,312 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,125 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,413 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,491 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,409 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,596 |
| Canada Country Quiz | 0 | - | 4.54 | 131,620 |
| United States Country Quiz | 0 | - | 4.43 | 100,454 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,194 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,932 |
| Flags of North and South America | 0 | - | 4.99 | 365,330 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,953 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,854 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,742 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,820 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,689 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,793 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,669 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,888 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,756 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,138 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,092 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,235 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,282 |
| Monarchies of Europe | 0 | - | 4.90 | 97,194 |
| Monarchies of Asia | 0 | - | 4.97 | 70,531 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,376 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,520 |
| The Only African Country ... | 0 | - | 4.99 | 128,253 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,730 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,192 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,953 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,195 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,902 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,105 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,652 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,001 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,969 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,442 |
| North America Cities by Map | 0 | - | 4.41 | 47,591 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,415 |
| Countries Bordering the EU | 0 | - | 4.75 | 72,280 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,320 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,827 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,927 |
| Territories of the United States | 0 | - | 4.79 | 52,096 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,158 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,341 |
| UK Immigration by Country | 0 | - | 4.94 | 139,479 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,657 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,064 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,772 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,071 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,281 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,145 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,716 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,701 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,022 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,363 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,115 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,159 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,012 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,443 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,831 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,123 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,046 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,166 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,410 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,108 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,941 |
| Germany Country Quiz | 0 | - | 4.82 | 156,385 |
| Russia Country Quiz | 0 | - | 4.85 | 113,547 |
| Italy Country Quiz | 0 | - | 4.82 | 122,063 |
| Japan Country Quiz | 0 | - | 4.92 | 141,102 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 137,949 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,783 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,784 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,063 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 34,992 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,274 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,310 |
| States of Brazil | 0 | - | 4.98 | 86,177 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,757 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,032 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,397 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,988 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,850 |
| Countries with Megacities | 0 | - | 4.99 | 246,142 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,767 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,726 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,231 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,661 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,661 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,584 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
