| Australian Immigration by Country | 0 | - | 4.81 | 77,328 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,189 |
| Regions of New Zealand | 0 | - | 4.84 | 28,552 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,812 |
| Australian States and Territories | 0 | - | 4.96 | 142,129 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,833 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,967 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,056 |
| Flags of Oceania | 0 | - | 5.00 | 259,929 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,384 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,295 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,164 |
| UK Immigration by Country | 0 | - | 4.94 | 141,035 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,761 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,464 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,536 |
| Palau Country Quiz | 0 | - | 4.90 | 23,039 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,014 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,918 |
| Asia Map Quiz | 0 | - | 4.99 | 918,026 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,586 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,725 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,925 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,297 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,974 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,458 |
| The Only European Country ... | 0 | - | 4.91 | 217,029 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,543 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,367 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,706 |
| Countries of Africa | 0 | - | 5.00 | 2,541,122 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,965 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,501 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,109 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,031 |
| Australia Map Quiz | 0 | - | 4.95 | 344,863 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,764 |
| African East Coast | 0 | - | 4.96 | 96,155 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,548 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,344 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,637 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,161 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,838 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,254 |
| Europe Capital to Country | 0 | - | 4.99 | 250,593 |
| Asia Capital to Country | 0 | - | 4.96 | 126,754 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,043 |
| European Capitals by Map | 0 | - | 4.99 | 139,614 |
| African Capitals by Map | 0 | - | 4.99 | 134,041 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,546 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,190 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,529 |
| European Coastal Capitals | 0 | - | 4.95 | 90,708 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,629 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,407 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,267 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,878 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,785 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,031 |
| Countries of the Middle East | 0 | - | 4.96 | 201,367 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,427 |
| Slavic Countries | 0 | - | 4.96 | 111,776 |
| African Island Countries | 0 | - | 4.96 | 101,746 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,923 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,578 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,036 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,614 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,680 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,175 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,787 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,857 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,673 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,313 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,313 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,690 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,356 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,266 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,098 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,354 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,014 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,783 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,956 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,262 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,306 |
| North America Map Quiz | 0 | - | 4.98 | 248,935 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,030 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,318 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,282 |
| Flags of North and South America | 0 | - | 4.99 | 373,734 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,142 |
| Counties of England | 0 | - | 4.97 | 797,920 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,376 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,551 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,235 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,889 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,622 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,575 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,308 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,024 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,052 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,440 |
| France Immigration by Country | 0 | - | 4.70 | 76,599 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,385 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,110 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,033 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,502 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,227 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,501 |
| Official Cities in the UK | 0 | - | 4.89 | 284,187 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,983 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,228 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,126 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,417 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,922 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,238 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,474 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,350 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,054 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,284 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,596 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,983 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,413 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,204 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,145 |
| Monarchies of Europe | 0 | - | 4.90 | 98,242 |
| Monarchies of Asia | 0 | - | 4.97 | 71,150 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,956 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,105 |
| The Only African Country ... | 0 | - | 4.99 | 129,204 |
| The Only American Country ... | 0 | - | 4.92 | 121,720 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,163 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,699 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,121 |
| European Countries with One Border | 0 | - | 4.97 | 182,955 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,734 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,294 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,630 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,974 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,885 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,652 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,877 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,562 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,080 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,519 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,549 |
| Regions of Italy | 0 | - | 4.92 | 76,082 |
| States of India | 0 | - | 4.95 | 193,738 |
| Japanese Prefectures | 0 | - | 4.98 | 137,284 |
| Provinces of China | 0 | - | 4.97 | 205,019 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,160 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,067 |
| States of Germany | 0 | - | 4.95 | 152,886 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,296 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,650 |
| Provinces of Turkey | 0 | - | 4.95 | 204,435 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,295 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,544 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,365 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,575 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,173 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,956 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,312 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,886 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,760 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,575 |
| Boundary Waters | 0 | - | 4.92 | 88,515 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,215 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,189 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,269 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,670 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,040 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,900 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,185 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,232 |
| Central American Countries | 0 | - | 4.98 | 156,616 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,137 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,344 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,695 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,460 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,608 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,708 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,029 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,283 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,584 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,297 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,152 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,926 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,226 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,133 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,044 |
| Countries That Border Russia | 0 | - | 4.98 | 462,092 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,097 |
| Countries Bordering France | 0 | - | 4.83 | 402,869 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,683 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,627 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,196 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,036 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,432 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,540 |
