| Australian Immigration by Country | 0 | - | 4.81 | 77,021 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,353 |
| Regions of New Zealand | 0 | - | 4.85 | 28,141 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,805 |
| Australian States and Territories | 0 | - | 4.96 | 140,912 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,251 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,044 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,522 |
| Flags of Oceania | 0 | - | 5.00 | 255,223 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,921 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,816 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,018 |
| UK Immigration by Country | 0 | - | 4.94 | 139,647 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,664 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,297 |
| Palau Country Quiz | 0 | - | 4.89 | 22,845 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,529 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,404 |
| Asia Map Quiz | 0 | - | 4.99 | 907,069 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,210 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,304 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,933 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,005 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,821 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,569 |
| The Only European Country ... | 0 | - | 4.91 | 213,845 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,156 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,545 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,211 |
| Countries of Africa | 0 | - | 5.00 | 2,508,033 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,946 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,967 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,476 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,928 |
| Australia Map Quiz | 0 | - | 4.94 | 342,499 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,312 |
| African East Coast | 0 | - | 4.96 | 95,057 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,939 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,787 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,613 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,089 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,363 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,822 |
| Europe Capital to Country | 0 | - | 4.99 | 247,911 |
| Asia Capital to Country | 0 | - | 4.96 | 125,763 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,462 |
| European Capitals by Map | 0 | - | 4.99 | 136,290 |
| African Capitals by Map | 0 | - | 4.99 | 132,188 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,139 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,194 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,618 |
| European Coastal Capitals | 0 | - | 4.95 | 89,762 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,190 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,817 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,812 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,831 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,345 |
| Countries of the Middle East | 0 | - | 4.96 | 198,934 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,271 |
| Slavic Countries | 0 | - | 4.96 | 110,863 |
| African Island Countries | 0 | - | 4.96 | 100,793 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,715 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,711 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,496 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,116 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,632 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,718 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,768 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,158 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,167 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,294 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,582 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,281 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,424 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,255 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,981 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,273 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,240 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,476 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,207 |
| North America Map Quiz | 0 | - | 4.98 | 244,484 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,436 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,346 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,429 |
| Flags of North and South America | 0 | - | 4.99 | 367,276 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,945 |
| Counties of England | 0 | - | 4.97 | 789,218 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,907 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,690 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,468 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,834 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,667 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,777 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,100 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,471 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,712 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,174 |
| France Immigration by Country | 0 | - | 4.72 | 75,968 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,929 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,970 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,004 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,862 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| Official Cities in the UK | 0 | - | 4.89 | 280,548 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,277 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,887 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,411 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,126 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,184 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,707 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,455 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,765 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,448 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,453 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,477 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,209 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,363 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,346 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,371 |
| Monarchies of Europe | 0 | - | 4.90 | 97,325 |
| Monarchies of Asia | 0 | - | 4.97 | 70,608 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,433 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,793 |
| The Only African Country ... | 0 | - | 4.99 | 128,368 |
| The Only American Country ... | 0 | - | 4.92 | 120,763 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,779 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,401 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,051 |
| European Countries with One Border | 0 | - | 4.97 | 181,635 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,527 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,112 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,132 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,687 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,092 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,814 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,170 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,433 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,972 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,863 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,876 |
| Regions of Italy | 0 | - | 4.92 | 74,730 |
| States of India | 0 | - | 4.94 | 190,069 |
| Japanese Prefectures | 0 | - | 4.98 | 134,594 |
| Provinces of China | 0 | - | 4.97 | 200,149 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,357 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,913 |
| States of Germany | 0 | - | 4.96 | 150,063 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,197 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,012 |
| Provinces of Turkey | 0 | - | 4.95 | 201,033 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,996 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,962 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,005 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,003 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,336 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,700 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,072 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,412 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,816 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,900 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,953 |
| Boundary Waters | 0 | - | 4.92 | 88,045 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,817 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,288 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,205 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,947 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,393 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,763 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,402 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,669 |
| Central American Countries | 0 | - | 4.98 | 155,060 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,887 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,274 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,865 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,940 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,265 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,366 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,255 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,091 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,804 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,778 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,458 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,217 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,250 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,122 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,494 |
| Countries That Border Russia | 0 | - | 4.98 | 458,933 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,496 |
| Countries Bordering France | 0 | - | 4.83 | 399,146 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,065 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,219 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,510 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,205 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,981 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,816 |
