| Australian Immigration by Country | 0 | - | 4.81 | 77,270 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,539 |
| Regions of New Zealand | 0 | - | 4.85 | 28,479 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,592 |
| Australian States and Territories | 0 | - | 4.96 | 141,822 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,729 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,757 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,320 |
| Flags of Oceania | 0 | - | 5.00 | 258,660 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,296 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,047 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,969 |
| UK Immigration by Country | 0 | - | 4.94 | 140,793 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,483 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,440 |
| Palau Country Quiz | 0 | - | 4.90 | 22,995 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,669 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,460 |
| Asia Map Quiz | 0 | - | 4.99 | 915,762 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,891 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,819 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,000 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,796 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,740 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,071 |
| The Only European Country ... | 0 | - | 4.91 | 216,340 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,024 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,965 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,624 |
| Countries of Africa | 0 | - | 5.00 | 2,533,729 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,057 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,133 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,845 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,774 |
| Australia Map Quiz | 0 | - | 4.95 | 344,176 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,232 |
| African East Coast | 0 | - | 4.96 | 95,956 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,413 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,216 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,673 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,502 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,552 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,977 |
| Europe Capital to Country | 0 | - | 4.99 | 249,841 |
| Asia Capital to Country | 0 | - | 4.96 | 126,567 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,745 |
| European Capitals by Map | 0 | - | 4.99 | 138,890 |
| African Capitals by Map | 0 | - | 4.99 | 133,587 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,215 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,986 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,329 |
| European Coastal Capitals | 0 | - | 4.95 | 90,492 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,544 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,584 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,772 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,789 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,377 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,451 |
| Countries of the Middle East | 0 | - | 4.96 | 200,975 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,163 |
| Slavic Countries | 0 | - | 4.96 | 111,578 |
| African Island Countries | 0 | - | 4.96 | 101,532 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,840 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,994 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,771 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,408 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,361 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,839 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,562 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,642 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,569 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,163 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,106 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,507 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,142 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,072 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,918 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,195 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,758 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,749 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,574 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,068 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,938 |
| North America Map Quiz | 0 | - | 4.98 | 248,180 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,937 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,157 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,399 |
| Flags of North and South America | 0 | - | 4.99 | 372,566 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,000 |
| Counties of England | 0 | - | 4.97 | 795,862 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,177 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,353 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,868 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,248 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,268 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,183 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,265 |
| New Zealand Country Quiz | 0 | - | 4.70 | 75,934 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,991 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,374 |
| France Immigration by Country | 0 | - | 4.70 | 76,464 |
| Countries of the Indian Diaspora | 0 | - | 4.48 | 59,089 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,690 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,700 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,177 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,743 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,387 |
| Official Cities in the UK | 0 | - | 4.89 | 283,383 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,965 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,436 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,379 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,964 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,139 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,137 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,243 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,236 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,787 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,091 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,574 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,823 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,186 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,035 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,017 |
| Monarchies of Europe | 0 | - | 4.90 | 98,052 |
| Monarchies of Asia | 0 | - | 4.97 | 71,039 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,826 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,623 |
| The Only African Country ... | 0 | - | 4.99 | 129,036 |
| The Only American Country ... | 0 | - | 4.92 | 121,508 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,101 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,399 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,893 |
| European Countries with One Border | 0 | - | 4.97 | 182,660 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,461 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,108 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,282 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,691 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,372 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,872 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,267 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,320 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,846 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,135 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,409 |
| Regions of Italy | 0 | - | 4.92 | 75,754 |
| States of India | 0 | - | 4.95 | 192,981 |
| Japanese Prefectures | 0 | - | 4.98 | 136,648 |
| Provinces of China | 0 | - | 4.97 | 203,995 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,807 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,935 |
| States of Germany | 0 | - | 4.96 | 152,268 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,120 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,841 |
| Provinces of Turkey | 0 | - | 4.95 | 203,883 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,992 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,424 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,314 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,440 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,096 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,774 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,102 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,651 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,604 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,074 |
| Boundary Waters | 0 | - | 4.92 | 88,426 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,123 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,002 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,068 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,343 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,668 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,685 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,017 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,111 |
| Central American Countries | 0 | - | 4.98 | 156,341 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,873 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,139 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,540 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,628 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,230 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,508 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,725 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,090 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,399 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,194 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,013 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,784 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,033 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,905 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,924 |
| Countries That Border Russia | 0 | - | 4.98 | 461,458 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,978 |
| Countries Bordering France | 0 | - | 4.83 | 402,265 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,108 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,541 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,030 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,874 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,334 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,553 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,903 |
