| Australian Immigration by Country | 0 | - | 4.81 | 77,007 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,029 |
| Regions of New Zealand | 0 | - | 4.85 | 28,120 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,760 |
| Australian States and Territories | 0 | - | 4.95 | 140,619 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,232 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,015 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,914 |
| Flags of Oceania | 0 | - | 5.00 | 254,992 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,893 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,783 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,990 |
| UK Immigration by Country | 0 | - | 4.94 | 139,553 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,618 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,289 |
| Palau Country Quiz | 0 | - | 4.89 | 22,828 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,403 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,748 |
| Asia Map Quiz | 0 | - | 4.99 | 906,656 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,068 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,928 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,545 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,893 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,468 |
| The Only European Country ... | 0 | - | 4.91 | 213,705 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,036 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,453 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,179 |
| Countries of Africa | 0 | - | 5.00 | 2,506,542 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,596 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,106 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,420 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,893 |
| Australia Map Quiz | 0 | - | 4.94 | 342,386 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,224 |
| African East Coast | 0 | - | 4.96 | 95,003 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,917 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,792 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,212 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,935 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,315 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,750 |
| Europe Capital to Country | 0 | - | 4.99 | 247,448 |
| Asia Capital to Country | 0 | - | 4.96 | 125,706 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,398 |
| European Capitals by Map | 0 | - | 4.99 | 136,146 |
| African Capitals by Map | 0 | - | 4.99 | 132,112 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,065 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,143 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,575 |
| European Coastal Capitals | 0 | - | 4.95 | 89,711 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,169 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,634 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,684 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,407 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,415 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,228 |
| Countries of the Middle East | 0 | - | 4.96 | 198,831 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,214 |
| Slavic Countries | 0 | - | 4.96 | 110,817 |
| African Island Countries | 0 | - | 4.96 | 100,743 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,480 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,235 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,665 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,445 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,033 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,571 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,670 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,727 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,132 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,137 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,536 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,216 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,373 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,201 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,477 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,769 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,891 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,108 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,445 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,153 |
| North America Map Quiz | 0 | - | 4.98 | 244,289 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,422 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,321 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,961 |
| Flags of North and South America | 0 | - | 4.99 | 366,732 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,704 |
| Counties of England | 0 | - | 4.97 | 788,894 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,759 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,645 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,362 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,713 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,580 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,723 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,091 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,448 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,694 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,162 |
| France Immigration by Country | 0 | - | 4.72 | 75,941 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,921 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,848 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,927 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,792 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,955 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,806 |
| Official Cities in the UK | 0 | - | 4.89 | 280,408 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,076 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,753 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,631 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,375 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,077 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,138 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,680 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,413 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,741 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,395 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,425 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,468 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,152 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,315 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,307 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,338 |
| Monarchies of Europe | 0 | - | 4.90 | 97,280 |
| Monarchies of Asia | 0 | - | 4.97 | 70,579 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,420 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,693 |
| The Only African Country ... | 0 | - | 4.99 | 128,327 |
| The Only American Country ... | 0 | - | 4.92 | 120,719 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,762 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,317 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,990 |
| European Countries with One Border | 0 | - | 4.97 | 181,568 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,468 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,067 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,079 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,644 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,025 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,695 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,057 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,384 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,918 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,802 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,839 |
| Regions of Italy | 0 | - | 4.92 | 74,656 |
| States of India | 0 | - | 4.94 | 189,915 |
| Japanese Prefectures | 0 | - | 4.98 | 134,476 |
| Provinces of China | 0 | - | 4.97 | 199,983 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,267 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,879 |
| States of Germany | 0 | - | 4.96 | 149,951 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,098 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,882 |
| Provinces of Turkey | 0 | - | 4.95 | 200,854 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,905 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,929 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,992 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,977 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,302 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,680 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,037 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,365 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,757 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,868 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,875 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,240 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,154 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,830 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,292 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,704 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,372 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,646 |
| Central American Countries | 0 | - | 4.98 | 154,990 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,731 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,189 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,835 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,750 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,188 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,339 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,201 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,053 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,772 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,759 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,424 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,183 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,211 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,087 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,480 |
| Countries That Border Russia | 0 | - | 4.98 | 458,794 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,451 |
| Countries Bordering France | 0 | - | 4.85 | 398,547 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,930 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,194 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,464 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,169 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,964 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,596 |
