| African Great Lakes | 0 | - | 4.82 | 65,091 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,775 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,815 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,059 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,127 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,277 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,597 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,441 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,771 |
| Countries of Africa | 0 | - | 5.00 | 2,506,234 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,879 |
| African East Coast | 0 | - | 4.96 | 94,992 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,887 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,770 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,848 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,303 |
| African Island Countries | 0 | - | 4.96 | 100,726 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,012 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,558 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,526 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,202 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,466 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,704 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,415 |
| African Physical Geography | 0 | - | 4.51 | 31,564 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,789 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,344 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,562 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,807 |
| South China Sea Countries | 0 | - | 4.78 | 57,480 |
| The Only African Country ... | 0 | - | 4.99 | 128,314 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,755 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,226 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,060 |
| Asian Physical Geography | 0 | - | 4.61 | 35,366 |
| Rivers of the United States | 0 | - | 4.93 | 65,469 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,988 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,024 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,534 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,803 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,470 |
| Seas of Europe | 0 | - | 4.37 | 83,808 |
| Capitals by River | 0 | - | 4.55 | 48,227 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,278 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,935 |
| Asia Map Quiz | 0 | - | 4.99 | 906,553 |
| European Physical Geography | 0 | - | 4.26 | 33,369 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,026 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,916 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,196 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,508 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,287 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,738 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,512 |
| Mauritius Country Quiz | 0 | - | 4.84 | 22,081 |
| Burkina Faso Country Quiz | 0 | - | 4.85 | 24,863 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,862 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,417 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,862 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,576 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,284 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,444 |
| The Only European Country ... | 0 | - | 4.91 | 213,666 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,393 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,004 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,435 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,173 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,569 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,527 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,808 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,753 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,405 |
| Australia Map Quiz | 0 | - | 4.94 | 342,362 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,204 |
| Sudan Country Quiz | 0 | - | 4.91 | 27,446 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,918 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,490 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,079 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,897 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,734 |
| Europe Capital to Country | 0 | - | 4.99 | 247,420 |
| Asia Capital to Country | 0 | - | 4.96 | 125,690 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,382 |
| European Capitals by Map | 0 | - | 4.99 | 136,113 |
| African Capitals by Map | 0 | - | 4.99 | 132,101 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,055 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,122 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,570 |
| European Coastal Capitals | 0 | - | 4.95 | 89,700 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,161 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,591 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,663 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,401 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,274 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,196 |
| Countries of the Middle East | 0 | - | 4.96 | 198,816 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,203 |
| Slavic Countries | 0 | - | 4.96 | 110,810 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,476 |
| Landforms by Country | 0 | - | 4.52 | 51,911 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,124 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,652 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,426 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,657 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,717 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,130 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,127 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,250 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,365 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,191 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,365 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.69 | 67,733 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,646 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,724 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,795 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,096 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,433 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,148 |
| North America Map Quiz | 0 | - | 4.98 | 244,236 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,317 |
| Flags of North and South America | 0 | - | 4.99 | 366,562 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,215 |
| Australian States and Territories | 0 | - | 4.95 | 140,601 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,624 |
| Counties of England | 0 | - | 4.97 | 788,786 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,729 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,631 |
| South American Physical Geography | 0 | - | 4.58 | 18,265 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,964 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,794 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,999 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,641 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,688 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,708 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,325 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,828 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,910 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,772 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,945 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,794 |
| Official Cities in the UK | 0 | - | 4.89 | 280,363 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,044 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,738 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,608 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,370 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,067 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,128 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,673 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,405 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,736 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,142 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,299 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,303 |
| Countries With No Rivers | 0 | - | 4.96 | 76,008 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,332 |
| Monarchies of Europe | 0 | - | 4.90 | 97,267 |
| Monarchies of Asia | 0 | - | 4.97 | 70,571 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,415 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,446 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,680 |
| The Only American Country ... | 0 | - | 4.92 | 120,712 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,000 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,300 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,982 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,995 |
| European Countries with One Border | 0 | - | 4.97 | 181,544 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,346 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,059 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,636 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,020 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,660 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,033 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,374 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,912 |
| Flags of Oceania | 0 | - | 5.00 | 254,918 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,779 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,823 |
| Regions of Italy | 0 | - | 4.92 | 74,649 |
| States of India | 0 | - | 4.94 | 189,878 |
| Japanese Prefectures | 0 | - | 4.98 | 134,443 |
| Provinces of China | 0 | - | 4.97 | 199,930 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,218 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,873 |
| States of Germany | 0 | - | 4.96 | 149,915 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,090 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,839 |
| Provinces of Turkey | 0 | - | 4.95 | 200,782 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,869 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,824 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,574 |
| Sea in the Answers | 0 | - | 4.10 | 48,530 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,919 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,967 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,295 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,775 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,980 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,354 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,742 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,858 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,860 |
