| Australian Immigration by Country | 0 | - | 4.81 | 76,996 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,696 |
| Regions of New Zealand | 0 | - | 4.85 | 28,107 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,736 |
| Australian States and Territories | 0 | - | 4.95 | 140,580 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,210 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,978 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,496 |
| Flags of Oceania | 0 | - | 5.00 | 254,791 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,883 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,756 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,939 |
| UK Immigration by Country | 0 | - | 4.94 | 139,518 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,570 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,279 |
| Palau Country Quiz | 0 | - | 4.89 | 22,820 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,529 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,153 |
| Asia Map Quiz | 0 | - | 4.99 | 906,182 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,940 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,610 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,067 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,798 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,754 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,395 |
| The Only European Country ... | 0 | - | 4.91 | 213,580 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,917 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,377 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,163 |
| Countries of Africa | 0 | - | 5.00 | 2,505,471 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,285 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,213 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,356 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| Australia Map Quiz | 0 | - | 4.94 | 342,294 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,135 |
| African East Coast | 0 | - | 4.96 | 94,959 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,887 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,820 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,794 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,810 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,271 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,689 |
| Europe Capital to Country | 0 | - | 4.99 | 247,356 |
| Asia Capital to Country | 0 | - | 4.96 | 125,657 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,337 |
| European Capitals by Map | 0 | - | 4.99 | 136,028 |
| African Capitals by Map | 0 | - | 4.99 | 132,088 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,003 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,544 |
| European Coastal Capitals | 0 | - | 4.95 | 89,677 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,156 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,482 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,612 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,814 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,125 |
| Countries of the Middle East | 0 | - | 4.96 | 198,761 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,184 |
| Slavic Countries | 0 | - | 4.96 | 110,793 |
| African Island Countries | 0 | - | 4.96 | 100,695 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,467 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,774 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,613 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,396 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,970 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,524 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,621 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,694 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,122 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,107 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,219 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,491 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,179 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,339 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,154 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,450 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,537 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,569 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,985 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,421 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,092 |
| North America Map Quiz | 0 | - | 4.98 | 244,111 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,395 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,292 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,564 |
| Flags of North and South America | 0 | - | 4.99 | 366,115 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,481 |
| Counties of England | 0 | - | 4.97 | 788,556 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,624 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,615 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,302 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,633 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,505 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,663 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,078 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,430 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,683 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,153 |
| France Immigration by Country | 0 | - | 4.72 | 75,928 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,909 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,771 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,862 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,724 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,924 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,777 |
| Official Cities in the UK | 0 | - | 4.89 | 280,270 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,943 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,618 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,352 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,095 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,657 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,391 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,722 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,343 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,396 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,463 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,126 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,269 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,283 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,310 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| Monarchies of Asia | 0 | - | 4.97 | 70,551 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,396 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,620 |
| The Only African Country ... | 0 | - | 4.99 | 128,293 |
| The Only American Country ... | 0 | - | 4.92 | 120,686 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,748 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,258 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,949 |
| European Countries with One Border | 0 | - | 4.97 | 181,508 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,036 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,039 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,028 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,594 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,985 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,562 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,977 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,348 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,891 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,716 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,796 |
| Regions of Italy | 0 | - | 4.92 | 74,619 |
| States of India | 0 | - | 4.94 | 189,815 |
| Japanese Prefectures | 0 | - | 4.98 | 134,377 |
| Provinces of China | 0 | - | 4.97 | 199,801 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,180 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,862 |
| States of Germany | 0 | - | 4.96 | 149,866 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,071 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,710 |
| Provinces of Turkey | 0 | - | 4.95 | 200,442 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,839 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,887 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,983 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,943 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,279 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,662 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,996 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,330 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,711 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,842 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,822 |
| Boundary Waters | 0 | - | 4.92 | 88,009 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,791 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,202 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,117 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,739 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,156 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,629 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,324 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,624 |
| Central American Countries | 0 | - | 4.98 | 154,944 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,696 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,099 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,807 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,120 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,134 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,314 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,178 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,025 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,751 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,727 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,395 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,145 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,185 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,055 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,462 |
| Countries That Border Russia | 0 | - | 4.98 | 458,652 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,428 |
| Countries Bordering France | 0 | - | 4.85 | 397,621 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,801 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,177 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,441 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,143 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,953 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,412 |
