| Australian Immigration by Country | 0 | - | 4.81 | 76,990 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,486 |
| Regions of New Zealand | 0 | - | 4.85 | 28,101 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,724 |
| Australian States and Territories | 0 | - | 4.95 | 140,553 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,203 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,966 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,562 |
| Flags of Oceania | 0 | - | 5.00 | 254,638 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,879 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,736 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,914 |
| UK Immigration by Country | 0 | - | 4.94 | 139,496 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,527 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,276 |
| Palau Country Quiz | 0 | - | 4.89 | 22,817 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,437,851 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,849 |
| Asia Map Quiz | 0 | - | 4.99 | 905,855 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,867 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,424 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,880 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,742 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,719 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,344 |
| The Only European Country ... | 0 | - | 4.91 | 213,513 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,842 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,330 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,157 |
| Countries of Africa | 0 | - | 5.00 | 2,504,527 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,829 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,743 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,318 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,798 |
| Australia Map Quiz | 0 | - | 4.94 | 342,238 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,073 |
| African East Coast | 0 | - | 4.96 | 94,934 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,871 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,228 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,552 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,716 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,248 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,656 |
| Europe Capital to Country | 0 | - | 4.99 | 247,290 |
| Asia Capital to Country | 0 | - | 4.96 | 125,630 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,301 |
| European Capitals by Map | 0 | - | 4.99 | 135,956 |
| African Capitals by Map | 0 | - | 4.99 | 132,060 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,977 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,076 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,524 |
| European Coastal Capitals | 0 | - | 4.95 | 89,650 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,147 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,417 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,536 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,380 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,632 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,045 |
| Countries of the Middle East | 0 | - | 4.96 | 198,710 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,147 |
| Slavic Countries | 0 | - | 4.96 | 110,771 |
| African Island Countries | 0 | - | 4.96 | 100,666 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,457 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,498 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,593 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,363 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,926 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,482 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,584 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,676 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,114 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,079 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,198 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,469 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,153 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,324 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,134 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,424 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,345 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,327 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,955 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,405 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,072 |
| North America Map Quiz | 0 | - | 4.98 | 244,019 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,260 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,267 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,280 |
| Flags of North and South America | 0 | - | 4.99 | 365,616 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,330 |
| Counties of England | 0 | - | 4.97 | 788,383 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,550 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,596 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,260 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,571 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,454 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,609 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,070 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,422 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,671 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,148 |
| France Immigration by Country | 0 | - | 4.72 | 75,918 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,901 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,721 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,813 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,691 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,901 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,766 |
| Official Cities in the UK | 0 | - | 4.89 | 280,165 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,837 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,521 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,544 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,330 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,013 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,082 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,648 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,369 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,706 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,316 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,376 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,457 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,101 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,251 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,268 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,297 |
| Monarchies of Europe | 0 | - | 4.90 | 97,215 |
| Monarchies of Asia | 0 | - | 4.97 | 70,540 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,379 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,546 |
| The Only African Country ... | 0 | - | 4.99 | 128,266 |
| The Only American Country ... | 0 | - | 4.92 | 120,666 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,735 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,225 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,931 |
| European Countries with One Border | 0 | - | 4.97 | 181,464 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,973 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,018 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,004 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,563 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,954 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,504 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,913 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,305 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,859 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,661 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,760 |
| Regions of Italy | 0 | - | 4.92 | 74,601 |
| States of India | 0 | - | 4.94 | 189,694 |
| Japanese Prefectures | 0 | - | 4.98 | 134,294 |
| Provinces of China | 0 | - | 4.97 | 199,723 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,143 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,841 |
| States of Germany | 0 | - | 4.96 | 149,791 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,057 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,619 |
| Provinces of Turkey | 0 | - | 4.95 | 199,938 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,795 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,846 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,973 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,929 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,265 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,658 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,963 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,293 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,655 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,822 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,776 |
| Boundary Waters | 0 | - | 4.92 | 87,993 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,182 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,090 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,676 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,083 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,583 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,302 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,609 |
| Central American Countries | 0 | - | 4.98 | 154,921 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,675 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,078 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,786 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,987 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,096 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,295 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,157 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,005 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,730 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,710 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,378 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,128 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,169 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,035 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,451 |
| Countries That Border Russia | 0 | - | 4.98 | 458,547 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,421 |
| Countries Bordering France | 0 | - | 4.85 | 396,644 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,710 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,172 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,425 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,121 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,945 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,297 |
