| African Great Lakes | 0 | - | 4.82 | 65,158 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,793 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,854 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,072 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,151 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,296 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,307 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,451 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,814 |
| Countries of Africa | 0 | - | 5.00 | 2,507,866 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,926 |
| African East Coast | 0 | - | 4.96 | 95,048 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,901 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,811 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,386 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,356 |
| African Island Countries | 0 | - | 4.96 | 100,790 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,110 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,628 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,576 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,275 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,506 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,434 |
| African Physical Geography | 0 | - | 4.51 | 31,569 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,806 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,453 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,658 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,819 |
| South China Sea Countries | 0 | - | 4.78 | 57,493 |
| The Only African Country ... | 0 | - | 4.99 | 128,367 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,777 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,250 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,109 |
| Asian Physical Geography | 0 | - | 4.61 | 35,370 |
| Rivers of the United States | 0 | - | 4.93 | 65,518 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,001 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,069 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,345 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,820 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,485 |
| Seas of Europe | 0 | - | 4.37 | 83,823 |
| Capitals by River | 0 | - | 4.55 | 48,234 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,472 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,311 |
| Asia Map Quiz | 0 | - | 4.99 | 907,028 |
| European Physical Geography | 0 | - | 4.26 | 33,373 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,202 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,926 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,215 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,530 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,306 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,752 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,531 |
| Mauritius Country Quiz | 0 | - | 4.84 | 22,093 |
| Burkina Faso Country Quiz | 0 | - | 4.85 | 24,886 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,246 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,902 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,988 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,605 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,310 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,560 |
| The Only European Country ... | 0 | - | 4.91 | 213,836 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,414 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,145 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,534 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,209 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,659 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,921 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,841 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,798 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,471 |
| Australia Map Quiz | 0 | - | 4.94 | 342,482 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,306 |
| Sudan Country Quiz | 0 | - | 4.91 | 27,462 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,945 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,643 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,565 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,072 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,818 |
| Europe Capital to Country | 0 | - | 4.99 | 247,872 |
| Asia Capital to Country | 0 | - | 4.96 | 125,759 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,455 |
| European Capitals by Map | 0 | - | 4.99 | 136,275 |
| African Capitals by Map | 0 | - | 4.99 | 132,181 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,188 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,612 |
| European Coastal Capitals | 0 | - | 4.95 | 89,756 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,187 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,800 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,802 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,423 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,771 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,327 |
| Countries of the Middle East | 0 | - | 4.96 | 198,921 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,264 |
| Slavic Countries | 0 | - | 4.96 | 110,857 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,498 |
| Landforms by Country | 0 | - | 4.52 | 51,916 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,651 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,707 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,490 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,716 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,761 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,155 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,164 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,290 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,414 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,244 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,402 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.69 | 67,734 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,654 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,961 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,223 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,227 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,471 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,205 |
| North America Map Quiz | 0 | - | 4.98 | 244,431 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,343 |
| Flags of North and South America | 0 | - | 4.99 | 367,225 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,243 |
| Australian States and Territories | 0 | - | 4.95 | 140,861 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,913 |
| Counties of England | 0 | - | 4.97 | 789,195 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,887 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,632 |
| South American Physical Geography | 0 | - | 4.58 | 18,270 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,982 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,806 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,020 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,685 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,826 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,768 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,400 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,957 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,001 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,853 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,989 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,829 |
| Official Cities in the UK | 0 | - | 4.89 | 280,542 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,261 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,868 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,669 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,408 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,123 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,178 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,704 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,453 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,765 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,200 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Countries With No Rivers | 0 | - | 4.96 | 76,028 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,366 |
| Monarchies of Europe | 0 | - | 4.90 | 97,312 |
| Monarchies of Asia | 0 | - | 4.97 | 70,602 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,487 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,178 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,774 |
| The Only American Country ... | 0 | - | 4.92 | 120,761 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,042 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,394 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,042 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,031 |
| European Countries with One Border | 0 | - | 4.97 | 181,628 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,521 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,130 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,684 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,087 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,791 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,157 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,423 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,968 |
| Flags of Oceania | 0 | - | 5.00 | 255,199 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,860 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,871 |
| Regions of Italy | 0 | - | 4.92 | 74,727 |
| States of India | 0 | - | 4.94 | 190,040 |
| Japanese Prefectures | 0 | - | 4.98 | 134,573 |
| Provinces of China | 0 | - | 4.97 | 200,129 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,351 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,908 |
| States of Germany | 0 | - | 4.96 | 150,055 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,162 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,999 |
| Provinces of Turkey | 0 | - | 4.95 | 201,030 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,987 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,858 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,601 |
| Sea in the Answers | 0 | - | 4.10 | 48,558 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,960 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,999 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,331 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,813 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,014 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,410 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,811 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,898 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,948 |