| Australian Immigration by Country | 0 | - | 4.81 | 77,536 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,177 |
| Regions of New Zealand | 0 | - | 4.84 | 28,781 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,584 |
| Australian States and Territories | 0 | - | 4.96 | 143,016 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,550 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,965 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,423 |
| Flags of Oceania | 0 | - | 5.00 | 263,368 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,799 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,897 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,790 |
| UK Immigration by Country | 0 | - | 4.94 | 141,869 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,536 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,559 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,634 |
| Palau Country Quiz | 0 | - | 4.89 | 23,159 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,260 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,483 |
| Asia Map Quiz | 0 | - | 4.99 | 926,484 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,321 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,934 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,835 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,154 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,221 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,435 |
| The Only European Country ... | 0 | - | 4.91 | 219,505 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,272 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,785 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,974 |
| Countries of Africa | 0 | - | 5.00 | 2,563,942 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,907 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,201 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,127 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,788 |
| Australia Map Quiz | 0 | - | 4.95 | 346,440 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,516 |
| African East Coast | 0 | - | 4.96 | 96,907 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,095 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,882 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,703 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,560 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,657 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,311 |
| Europe Capital to Country | 0 | - | 4.99 | 252,520 |
| Asia Capital to Country | 0 | - | 4.96 | 127,679 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,243 |
| European Capitals by Map | 0 | - | 4.99 | 142,464 |
| African Capitals by Map | 0 | - | 4.99 | 142,548 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,100 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,094 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,359 |
| European Coastal Capitals | 0 | - | 4.95 | 91,472 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,261 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,206 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,154 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,234 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,911 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,189 |
| Countries of the Middle East | 0 | - | 4.96 | 203,214 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,342 |
| Slavic Countries | 0 | - | 4.96 | 112,485 |
| African Island Countries | 0 | - | 4.96 | 102,711 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,234 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,034 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,982 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,460 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,922 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,109 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,744 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,697 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,070 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,963 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,496 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,039 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,662 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,055 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,292 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,284 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,233 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,165 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,837 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,892 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,897 |
| North America Map Quiz | 0 | - | 4.98 | 252,650 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,559 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,915 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,889 |
| Flags of North and South America | 0 | - | 4.99 | 377,948 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,949 |
| Counties of England | 0 | - | 4.97 | 804,039 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,391 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,193 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,444 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,101 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,828 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,857 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,479 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,379 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,315 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,618 |
| France Immigration by Country | 0 | - | 4.70 | 76,998 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,097 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,888 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,419 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,253 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,072 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,965 |
| Official Cities in the UK | 0 | - | 4.89 | 286,795 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,549 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,606 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,351 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,710 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,292 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,476 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,652 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,053 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,805 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,884 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,810 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,693 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,563 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,252 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,759 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,602 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,237 |
| Monarchies of Europe | 0 | - | 4.90 | 99,012 |
| Monarchies of Asia | 0 | - | 4.97 | 71,592 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,341 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,778 |
| The Only African Country ... | 0 | - | 4.99 | 129,778 |
| The Only American Country ... | 0 | - | 4.92 | 122,332 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,438 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,696 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,044 |
| European Countries with One Border | 0 | - | 4.97 | 183,997 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,703 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,963 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,787 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,955 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,247 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,410 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,763 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,642 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,935 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,810 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,041 |
| Regions of Italy | 0 | - | 4.92 | 77,233 |
| States of India | 0 | - | 4.94 | 196,369 |
| Japanese Prefectures | 0 | - | 4.98 | 139,338 |
| Provinces of China | 0 | - | 4.97 | 208,687 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,542 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,602 |
| States of Germany | 0 | - | 4.95 | 154,884 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,878 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,875 |
| Provinces of Turkey | 0 | - | 4.95 | 206,257 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,273 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,948 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,612 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,100 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,082 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,435 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,572 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,868 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,597 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,291 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,524 |
| Boundary Waters | 0 | - | 4.92 | 88,828 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,458 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,818 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,099 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,743 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,235 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,373 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,770 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,676 |
| Central American Countries | 0 | - | 4.98 | 157,503 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,681 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,079 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,111 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,193 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,939 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,938 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,464 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,666 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,936 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,131 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,637 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,919 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,417 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,034 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,921 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,806 |
| Countries That Border Russia | 0 | - | 4.98 | 464,843 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,527 |
| Countries Bordering France | 0 | - | 4.83 | 405,280 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,170 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,936 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,680 |
