| Australian Immigration by Country | 0 | - | 4.81 | 77,027 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,579 |
| Regions of New Zealand | 0 | - | 4.85 | 28,174 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,825 |
| Australian States and Territories | 0 | - | 4.96 | 140,936 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,263 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,065 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,622 |
| Flags of Oceania | 0 | - | 5.00 | 255,375 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,935 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,852 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,060 |
| UK Immigration by Country | 0 | - | 4.94 | 139,708 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,683 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,301 |
| Palau Country Quiz | 0 | - | 4.89 | 22,850 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,149 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,858 |
| Asia Map Quiz | 0 | - | 4.99 | 907,395 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,346 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,505 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,179 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,084 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,846 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,646 |
| The Only European Country ... | 0 | - | 4.91 | 213,960 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,221 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,623 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,231 |
| Countries of Africa | 0 | - | 5.00 | 2,509,021 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,348 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,425 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,517 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,975 |
| Australia Map Quiz | 0 | - | 4.94 | 342,567 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,403 |
| African East Coast | 0 | - | 4.96 | 95,083 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,957 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,452 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,892 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,183 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,392 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,887 |
| Europe Capital to Country | 0 | - | 4.99 | 248,007 |
| Asia Capital to Country | 0 | - | 4.96 | 125,792 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,523 |
| European Capitals by Map | 0 | - | 4.99 | 136,405 |
| African Capitals by Map | 0 | - | 4.99 | 132,235 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,193 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,243 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,666 |
| European Coastal Capitals | 0 | - | 4.95 | 89,807 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,207 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,912 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,931 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,434 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,157 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,433 |
| Countries of the Middle East | 0 | - | 4.96 | 199,017 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,302 |
| Slavic Countries | 0 | - | 4.96 | 110,889 |
| African Island Countries | 0 | - | 4.96 | 100,822 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,511 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,220 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,776 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,530 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,184 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,671 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,738 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,812 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,194 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,331 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,608 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,315 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,451 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,288 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,520 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,181 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,487 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,278 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,497 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,229 |
| North America Map Quiz | 0 | - | 4.98 | 244,597 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,447 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,376 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,693 |
| Flags of North and South America | 0 | - | 4.99 | 367,600 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,071 |
| Counties of England | 0 | - | 4.97 | 789,526 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,031 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,720 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,514 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,917 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,727 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,827 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,106 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,488 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,725 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,178 |
| France Immigration by Country | 0 | - | 4.72 | 75,985 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,931 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,029 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,053 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,893 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,023 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,840 |
| Official Cities in the UK | 0 | - | 4.89 | 280,697 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,448 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,982 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,690 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,442 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,163 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,207 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,738 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,501 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,800 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,484 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,475 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,480 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,236 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,408 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,373 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,387 |
| Monarchies of Europe | 0 | - | 4.90 | 97,356 |
| Monarchies of Asia | 0 | - | 4.97 | 70,616 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,444 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,861 |
| The Only African Country ... | 0 | - | 4.99 | 128,393 |
| The Only American Country ... | 0 | - | 4.92 | 120,791 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,789 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,439 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,082 |
| European Countries with One Border | 0 | - | 4.97 | 181,676 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,576 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,136 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,237 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,758 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,154 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,900 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,256 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,451 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,020 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,927 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,900 |
| Regions of Italy | 0 | - | 4.92 | 74,775 |
| States of India | 0 | - | 4.94 | 190,342 |
| Japanese Prefectures | 0 | - | 4.98 | 134,681 |
| Provinces of China | 0 | - | 4.97 | 200,249 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,420 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,027 |
| States of Germany | 0 | - | 4.96 | 150,176 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,229 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,098 |
| Provinces of Turkey | 0 | - | 4.95 | 201,266 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,032 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,982 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,012 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,012 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,354 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,713 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,106 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,453 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,855 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,921 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,003 |
| Boundary Waters | 0 | - | 4.92 | 88,061 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,826 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,318 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,254 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,038 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,437 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,796 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,425 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,693 |
| Central American Countries | 0 | - | 4.98 | 155,097 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,977 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,315 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,887 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,049 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,306 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,395 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,278 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,117 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,825 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,793 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,486 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,245 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,282 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,144 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,510 |
| Countries That Border Russia | 0 | - | 4.98 | 459,015 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,519 |
| Countries Bordering France | 0 | - | 4.83 | 399,506 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,152 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,232 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,532 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,224 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,996 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,953 |
