| African Great Lakes | 0 | - | 4.82 | 66,923 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,326 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,696 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,592 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,668 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,838 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,847 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,933 |
| African Physical Geography | 0 | - | 4.51 | 31,812 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,782 |
| Countries of Africa | 0 | - | 5.00 | 2,557,737 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,554 |
| African East Coast | 0 | - | 4.96 | 96,700 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,188 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,899 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,996 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,407 |
| African Island Countries | 0 | - | 4.96 | 102,390 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,521 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,272 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,429 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,214 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,072 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,376 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,490 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,375 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,171 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,523 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,995 |
| South China Sea Countries | 0 | - | 4.78 | 57,837 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,037 |
| The Only African Country ... | 0 | - | 4.99 | 129,618 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,367 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,254 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,762 |
| Asian Physical Geography | 0 | - | 4.61 | 35,617 |
| Rivers of the United States | 0 | - | 4.93 | 66,629 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,558 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,403 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,773 |
| Tanzania Country Quiz | 0 | - | 4.91 | 33,241 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,987 |
| Seas of Europe | 0 | - | 4.37 | 84,890 |
| Capitals by River | 0 | - | 4.55 | 48,384 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,112 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,850 |
| Asia Map Quiz | 0 | - | 4.99 | 924,517 |
| European Physical Geography | 0 | - | 4.26 | 33,588 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,657 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,686 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,802 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,113 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,901 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,108 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,233 |
| Mauritius Country Quiz | 0 | - | 4.83 | 22,379 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,286 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,363 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,630 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,216 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,499 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,994 |
| The Only European Country ... | 0 | - | 4.91 | 218,801 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,506 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,807 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,411 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,610 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,985 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,462 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,408 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,870 |
| Australia Map Quiz | 0 | - | 4.95 | 346,056 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,091 |
| Sudan Country Quiz | 0 | - | 4.91 | 27,829 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,738 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,742 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,674 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,787 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,980 |
| Europe Capital to Country | 0 | - | 4.99 | 251,940 |
| Asia Capital to Country | 0 | - | 4.96 | 127,332 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,887 |
| European Capitals by Map | 0 | - | 4.99 | 141,946 |
| African Capitals by Map | 0 | - | 4.99 | 142,012 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,858 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,805 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,124 |
| European Coastal Capitals | 0 | - | 4.95 | 91,253 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,156 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,426 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,649 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,135 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,094 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,597 |
| Countries of the Middle East | 0 | - | 4.96 | 202,520 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,109 |
| Slavic Countries | 0 | - | 4.96 | 112,316 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,150 |
| Landforms by Country | 0 | - | 4.52 | 52,012 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,620 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,750 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,272 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,433 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,474 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,931 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,745 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,982 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,842 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,102 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,612 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.70 | 67,933 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,018 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,329 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,085 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,574 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,723 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,726 |
| North America Map Quiz | 0 | - | 4.98 | 251,823 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,763 |
| Flags of North and South America | 0 | - | 4.99 | 376,617 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,485 |
| Australian States and Territories | 0 | - | 4.96 | 142,796 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,886 |
| Counties of England | 0 | - | 4.97 | 802,366 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,507 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,727 |
| South American Physical Geography | 0 | - | 4.58 | 18,399 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,445 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,086 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,482 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,014 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,556 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,499 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,186 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,305 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,936 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,626 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,821 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,811 |
| Official Cities in the UK | 0 | - | 4.89 | 286,024 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,716 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,979 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,187 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,538 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,049 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,360 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,550 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,906 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,673 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,429 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,043 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,613 |
| Countries With No Rivers | 0 | - | 4.96 | 77,103 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,462 |
| Monarchies of Europe | 0 | - | 4.90 | 98,801 |
| Monarchies of Asia | 0 | - | 4.97 | 71,476 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,255 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,093 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,354 |
| The Only American Country ... | 0 | - | 4.92 | 122,174 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,437 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,413 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,773 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,533 |
| European Countries with One Border | 0 | - | 4.97 | 183,700 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,459 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,552 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,741 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,947 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,819 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,311 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,448 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,781 |
| Flags of Oceania | 0 | - | 5.00 | 262,429 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,485 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,911 |
| Regions of Italy | 0 | - | 4.92 | 76,967 |
| States of India | 0 | - | 4.94 | 195,710 |
| Japanese Prefectures | 0 | - | 4.98 | 138,869 |
| Provinces of China | 0 | - | 4.97 | 207,728 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,237 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,481 |
| States of Germany | 0 | - | 4.95 | 154,333 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,708 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,341 |
| Provinces of Turkey | 0 | - | 4.95 | 205,764 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,942 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,288 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,820 |
| Sea in the Answers | 0 | - | 4.08 | 49,141 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,856 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,932 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,666 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,763 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,652 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,727 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,416 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,109 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,284 |
