| African Great Lakes | 0 | - | 4.82 | 65,144 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,786 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,843 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,071 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,146 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,291 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,146 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,451 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,803 |
| Countries of Africa | 0 | - | 5.00 | 2,507,466 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,912 |
| African East Coast | 0 | - | 4.96 | 95,037 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,895 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,787 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,236 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,334 |
| African Island Countries | 0 | - | 4.96 | 100,780 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,091 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,605 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,554 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,249 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,500 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,431 |
| African Physical Geography | 0 | - | 4.51 | 31,566 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,802 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,422 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,629 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,817 |
| South China Sea Countries | 0 | - | 4.78 | 57,487 |
| The Only African Country ... | 0 | - | 4.99 | 128,351 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,774 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,246 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,097 |
| Asian Physical Geography | 0 | - | 4.61 | 35,370 |
| Rivers of the United States | 0 | - | 4.93 | 65,503 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,997 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,054 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,868 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,813 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,480 |
| Seas of Europe | 0 | - | 4.37 | 83,822 |
| Capitals by River | 0 | - | 4.55 | 48,233 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,242 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,221 |
| Asia Map Quiz | 0 | - | 4.99 | 906,919 |
| European Physical Geography | 0 | - | 4.26 | 33,373 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,170 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,923 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,212 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,525 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,304 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,750 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,526 |
| Mauritius Country Quiz | 0 | - | 4.84 | 22,091 |
| Burkina Faso Country Quiz | 0 | - | 4.85 | 24,881 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,131 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,818 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,956 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,595 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,304 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,525 |
| The Only European Country ... | 0 | - | 4.91 | 213,791 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,411 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,115 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,512 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,199 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,633 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,841 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,528 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,784 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,450 |
| Australia Map Quiz | 0 | - | 4.94 | 342,450 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,289 |
| Sudan Country Quiz | 0 | - | 4.91 | 27,455 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,940 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,399 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,440 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,023 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,796 |
| Europe Capital to Country | 0 | - | 4.99 | 247,702 |
| Asia Capital to Country | 0 | - | 4.96 | 125,745 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,436 |
| European Capitals by Map | 0 | - | 4.99 | 136,232 |
| African Capitals by Map | 0 | - | 4.99 | 132,150 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,120 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,172 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,594 |
| European Coastal Capitals | 0 | - | 4.95 | 89,735 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,765 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,771 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,415 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,654 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,290 |
| Countries of the Middle East | 0 | - | 4.96 | 198,882 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,244 |
| Slavic Countries | 0 | - | 4.96 | 110,846 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,495 |
| Landforms by Country | 0 | - | 4.52 | 51,914 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,511 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,697 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,473 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,703 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,752 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,149 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,155 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,275 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,390 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,227 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,390 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.69 | 67,733 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,652 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,896 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,109 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,212 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,458 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,182 |
| North America Map Quiz | 0 | - | 4.98 | 244,394 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,340 |
| Flags of North and South America | 0 | - | 4.99 | 367,089 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,234 |
| Australian States and Territories | 0 | - | 4.95 | 140,777 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,843 |
| Counties of England | 0 | - | 4.97 | 789,088 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,851 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,632 |
| South American Physical Geography | 0 | - | 4.58 | 18,269 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,980 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,803 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,016 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,673 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,801 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,751 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,385 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,912 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,976 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,836 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,975 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,821 |
| Official Cities in the UK | 0 | - | 4.89 | 280,492 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,201 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,825 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,657 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,403 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,109 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,167 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,699 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,437 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,760 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,183 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,351 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,329 |
| Countries With No Rivers | 0 | - | 4.96 | 76,023 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,360 |
| Monarchies of Europe | 0 | - | 4.90 | 97,301 |
| Monarchies of Asia | 0 | - | 4.97 | 70,592 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,430 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,477 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,155 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,741 |
| The Only American Country ... | 0 | - | 4.92 | 120,746 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,033 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,368 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,020 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,020 |
| European Countries with One Border | 0 | - | 4.97 | 181,603 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,512 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,109 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,675 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,071 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,764 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,106 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,413 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,942 |
| Flags of Oceania | 0 | - | 5.00 | 255,140 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,836 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,859 |
| Regions of Italy | 0 | - | 4.92 | 74,696 |
| States of India | 0 | - | 4.94 | 190,004 |
| Japanese Prefectures | 0 | - | 4.98 | 134,527 |
| Provinces of China | 0 | - | 4.97 | 200,082 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,318 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,903 |
| States of Germany | 0 | - | 4.96 | 150,017 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,140 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,950 |
| Provinces of Turkey | 0 | - | 4.95 | 200,960 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,959 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,850 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,594 |
| Sea in the Answers | 0 | - | 4.10 | 48,553 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,945 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,992 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,323 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,801 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,001 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,395 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,791 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,890 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,930 |
