| Australian Immigration by Country | 0 | - | 4.81 | 77,452 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,119 |
| Regions of New Zealand | 0 | - | 4.84 | 28,679 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,306 |
| Australian States and Territories | 0 | - | 4.96 | 142,652 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,208 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,354 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,510 |
| Flags of Oceania | 0 | - | 5.00 | 261,954 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,609 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,668 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,560 |
| UK Immigration by Country | 0 | - | 4.94 | 141,501 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,190 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,525 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,591 |
| Palau Country Quiz | 0 | - | 4.90 | 23,109 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,255 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,322 |
| Asia Map Quiz | 0 | - | 4.99 | 923,305 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,297 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,369 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,507 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,340 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,647 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,786 |
| The Only European Country ... | 0 | - | 4.91 | 218,441 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,509 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,203 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,848 |
| Countries of Africa | 0 | - | 5.00 | 2,553,727 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,366 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,218 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,714 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,433 |
| Australia Map Quiz | 0 | - | 4.95 | 345,836 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,787 |
| African East Coast | 0 | - | 4.96 | 96,590 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,943 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,265 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,477 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,452 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,285 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,842 |
| Europe Capital to Country | 0 | - | 4.99 | 251,687 |
| Asia Capital to Country | 0 | - | 4.96 | 127,240 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,714 |
| European Capitals by Map | 0 | - | 4.99 | 141,557 |
| African Capitals by Map | 0 | - | 4.99 | 141,644 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,687 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,684 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,022 |
| European Coastal Capitals | 0 | - | 4.95 | 91,133 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,096 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,970 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,400 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,079 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,968 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,307 |
| Countries of the Middle East | 0 | - | 4.96 | 202,319 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,968 |
| Slavic Countries | 0 | - | 4.96 | 112,208 |
| African Island Countries | 0 | - | 4.96 | 102,276 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,098 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,192 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,606 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,140 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,367 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,109 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,316 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,387 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,876 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,657 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,859 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,325 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,102 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,738 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,017 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,990 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,309 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,313 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,426 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,627 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,655 |
| North America Map Quiz | 0 | - | 4.98 | 250,929 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,413 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,644 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,002 |
| Flags of North and South America | 0 | - | 4.99 | 375,985 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,310 |
| Counties of England | 0 | - | 4.97 | 801,458 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,076 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,912 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,971 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,270 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,338 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,294 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,408 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,222 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,215 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,542 |
| France Immigration by Country | 0 | - | 4.70 | 76,842 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,790 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,058 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,786 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,438 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,716 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,753 |
| Official Cities in the UK | 0 | - | 4.89 | 285,611 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,127 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,615 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,038 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,441 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,906 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,276 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,483 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,816 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,608 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,552 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,582 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,650 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,344 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,922 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,525 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,396 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,725 |
| Monarchies of Europe | 0 | - | 4.90 | 98,682 |
| Monarchies of Asia | 0 | - | 4.97 | 71,409 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,204 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,093 |
| The Only African Country ... | 0 | - | 4.99 | 129,532 |
| The Only American Country ... | 0 | - | 4.92 | 122,075 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,323 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,258 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,628 |
| European Countries with One Border | 0 | - | 4.97 | 183,535 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,284 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,654 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,388 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,579 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,708 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,282 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,985 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,333 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,655 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,255 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,821 |
| Regions of Italy | 0 | - | 4.92 | 76,748 |
| States of India | 0 | - | 4.95 | 195,277 |
| Japanese Prefectures | 0 | - | 4.98 | 138,534 |
| Provinces of China | 0 | - | 4.97 | 207,138 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,057 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,394 |
| States of Germany | 0 | - | 4.95 | 154,063 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,633 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,013 |
| Provinces of Turkey | 0 | - | 4.94 | 205,462 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,745 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,783 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,511 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,894 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,583 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,320 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,302 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,644 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,303 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,036 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,117 |
| Boundary Waters | 0 | - | 4.92 | 88,702 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,355 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,532 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,755 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,570 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,674 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,357 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,495 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,464 |
| Central American Countries | 0 | - | 4.98 | 157,143 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,165 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,630 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,787 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,970 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,888 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,337 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,117 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,674 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,654 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,923 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,502 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,668 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,234 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,669 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,604 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,653 |
| Countries That Border Russia | 0 | - | 4.98 | 463,999 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,358 |
| Countries Bordering France | 0 | - | 4.83 | 404,432 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,404 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,824 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,490 |
