| Australian Immigration by Country | 0 | - | 4.81 | 77,022 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,409 |
| Regions of New Zealand | 0 | - | 4.85 | 28,143 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,809 |
| Australian States and Territories | 0 | - | 4.96 | 140,921 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,258 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,052 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,819 |
| Flags of Oceania | 0 | - | 5.00 | 255,255 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,924 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,827 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,030 |
| UK Immigration by Country | 0 | - | 4.94 | 139,669 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,670 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,298 |
| Palau Country Quiz | 0 | - | 4.89 | 22,845 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,568 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,510 |
| Asia Map Quiz | 0 | - | 4.99 | 907,152 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,246 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,392 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,008 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,031 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,831 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,592 |
| The Only European Country ... | 0 | - | 4.91 | 213,888 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,174 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,573 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,215 |
| Countries of Africa | 0 | - | 5.00 | 2,508,273 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,990 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,070 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,487 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,943 |
| Australia Map Quiz | 0 | - | 4.94 | 342,516 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,340 |
| African East Coast | 0 | - | 4.96 | 95,061 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,946 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,992 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,687 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,122 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,374 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,846 |
| Europe Capital to Country | 0 | - | 4.99 | 247,948 |
| Asia Capital to Country | 0 | - | 4.96 | 125,772 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,484 |
| European Capitals by Map | 0 | - | 4.99 | 136,312 |
| African Capitals by Map | 0 | - | 4.99 | 132,193 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,153 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,210 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,631 |
| European Coastal Capitals | 0 | - | 4.95 | 89,784 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,193 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,852 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,870 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,430 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,955 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,374 |
| Countries of the Middle East | 0 | - | 4.96 | 198,955 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,279 |
| Slavic Countries | 0 | - | 4.96 | 110,873 |
| African Island Countries | 0 | - | 4.96 | 100,802 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,501 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,857 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,731 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,505 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,136 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,642 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,725 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,781 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,161 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,177 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,300 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,590 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,294 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,432 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,266 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,510 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,024 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,330 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,250 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,481 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,214 |
| North America Map Quiz | 0 | - | 4.98 | 244,512 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,440 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,361 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,501 |
| Flags of North and South America | 0 | - | 4.99 | 367,355 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,980 |
| Counties of England | 0 | - | 4.97 | 789,341 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,960 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,700 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,484 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,875 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,678 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,785 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,103 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,475 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,716 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,176 |
| France Immigration by Country | 0 | - | 4.72 | 75,973 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,929 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,992 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,025 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,875 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,003 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Official Cities in the UK | 0 | - | 4.89 | 280,596 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,331 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,928 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,681 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,422 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,141 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,191 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,717 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,467 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,783 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,458 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,462 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,478 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,219 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,374 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,354 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,377 |
| Monarchies of Europe | 0 | - | 4.90 | 97,337 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,435 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,804 |
| The Only African Country ... | 0 | - | 4.99 | 128,376 |
| The Only American Country ... | 0 | - | 4.92 | 120,772 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,783 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,414 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,068 |
| European Countries with One Border | 0 | - | 4.97 | 181,646 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,544 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,120 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,161 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,712 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,110 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,841 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,207 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,441 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,989 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,887 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,881 |
| Regions of Italy | 0 | - | 4.92 | 74,737 |
| States of India | 0 | - | 4.94 | 190,159 |
| Japanese Prefectures | 0 | - | 4.98 | 134,631 |
| Provinces of China | 0 | - | 4.97 | 200,173 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,375 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,953 |
| States of Germany | 0 | - | 4.96 | 150,112 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,205 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,026 |
| Provinces of Turkey | 0 | - | 4.95 | 201,083 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,003 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,964 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,007 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,005 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,341 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,705 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,081 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,423 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,835 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,906 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,969 |
| Boundary Waters | 0 | - | 4.92 | 88,047 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,297 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,220 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,983 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,401 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,769 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,409 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,677 |
| Central American Countries | 0 | - | 4.98 | 155,073 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,911 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,286 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,873 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,972 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,274 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,371 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,260 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,097 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,811 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,782 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,463 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,225 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,264 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,132 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,504 |
| Countries That Border Russia | 0 | - | 4.98 | 458,956 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,500 |
| Countries Bordering France | 0 | - | 4.83 | 399,258 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,088 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,225 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,518 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,211 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,986 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,855 |
