| Australian Immigration by Country | 0 | - | 4.81 | 77,018 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,292 |
| Regions of New Zealand | 0 | - | 4.85 | 28,140 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,798 |
| Australian States and Territories | 0 | - | 4.95 | 140,839 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,249 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,041 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,183 |
| Flags of Oceania | 0 | - | 5.00 | 255,183 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,916 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,809 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,009 |
| UK Immigration by Country | 0 | - | 4.94 | 139,631 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,657 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,294 |
| Palau Country Quiz | 0 | - | 4.89 | 22,843 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,453 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,259 |
| Asia Map Quiz | 0 | - | 4.99 | 906,987 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,196 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,194 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,873 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,979 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,813 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,547 |
| The Only European Country ... | 0 | - | 4.91 | 213,824 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,134 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,528 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,205 |
| Countries of Africa | 0 | - | 5.00 | 2,507,767 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,892 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,778 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,465 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,924 |
| Australia Map Quiz | 0 | - | 4.94 | 342,474 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,301 |
| African East Coast | 0 | - | 4.96 | 95,042 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,929 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,557 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,518 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,061 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,351 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,812 |
| Europe Capital to Country | 0 | - | 4.99 | 247,821 |
| Asia Capital to Country | 0 | - | 4.96 | 125,754 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,450 |
| European Capitals by Map | 0 | - | 4.99 | 136,259 |
| African Capitals by Map | 0 | - | 4.99 | 132,171 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,182 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,606 |
| European Coastal Capitals | 0 | - | 4.95 | 89,751 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,182 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,785 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,794 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,422 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,740 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,317 |
| Countries of the Middle East | 0 | - | 4.96 | 198,907 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,255 |
| Slavic Countries | 0 | - | 4.96 | 110,854 |
| African Island Countries | 0 | - | 4.96 | 100,787 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,497 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,614 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,704 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,485 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,103 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,621 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,714 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,760 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,152 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,159 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,288 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,573 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,272 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,409 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,241 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,503 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,939 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,184 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,222 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,465 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,197 |
| North America Map Quiz | 0 | - | 4.98 | 244,417 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,433 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,342 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,313 |
| Flags of North and South America | 0 | - | 4.99 | 367,177 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,893 |
| Counties of England | 0 | - | 4.97 | 789,166 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,876 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,681 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,444 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,824 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,656 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,765 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,099 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,465 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,707 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,171 |
| France Immigration by Country | 0 | - | 4.72 | 75,963 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,929 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,950 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,991 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,846 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,984 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,828 |
| Official Cities in the UK | 0 | - | 4.89 | 280,526 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,234 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,855 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,667 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,121 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,175 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,702 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,448 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,763 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,435 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,448 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,476 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,194 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,358 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,338 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,364 |
| Monarchies of Europe | 0 | - | 4.90 | 97,307 |
| Monarchies of Asia | 0 | - | 4.97 | 70,600 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,762 |
| The Only African Country ... | 0 | - | 4.99 | 128,361 |
| The Only American Country ... | 0 | - | 4.92 | 120,757 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,776 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,387 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,036 |
| European Countries with One Border | 0 | - | 4.97 | 181,621 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,520 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,107 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,119 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,680 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,084 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,781 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,133 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,420 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,954 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,852 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,866 |
| Regions of Italy | 0 | - | 4.92 | 74,720 |
| States of India | 0 | - | 4.94 | 190,031 |
| Japanese Prefectures | 0 | - | 4.98 | 134,567 |
| Provinces of China | 0 | - | 4.97 | 200,113 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,336 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,907 |
| States of Germany | 0 | - | 4.96 | 150,045 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,158 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,989 |
| Provinces of Turkey | 0 | - | 4.95 | 201,004 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,972 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,954 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,000 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,996 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,328 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,695 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,066 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,407 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,805 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,897 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,945 |
| Boundary Waters | 0 | - | 4.92 | 88,038 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,814 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,277 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,196 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,929 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,367 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,746 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,397 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,664 |
| Central American Countries | 0 | - | 4.98 | 155,046 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,853 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,257 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,861 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,902 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,256 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,362 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,243 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,086 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,796 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,773 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,446 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,211 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,242 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,117 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,489 |
| Countries That Border Russia | 0 | - | 4.98 | 458,906 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,473 |
| Countries Bordering France | 0 | - | 4.83 | 399,056 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,041 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,216 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,497 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,197 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,980 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,774 |
