| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,579 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 82,784 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,884 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,185 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,149 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,853 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,983 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,101 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,549 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,128 |
| African East Coast | 0 | - | 4.96 | 96,159 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,841 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,879 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,441 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,904 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,349 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,517 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,517 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,421 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,032 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,364 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,555 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,239 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,925 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,627 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,579 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,136 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,594 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,384 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,301 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,502 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,956 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,312 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,891 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,198 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,903 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,141 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,587 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,097 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,049 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,811 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,007 |
| Independence from Whom | 0 | - | 4.99 | 211,935 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,614 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,556 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,368 |
| Countries by Founding Story | 0 | - | 4.95 | 77,306 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,832,256 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,037 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,214 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,973 |
| Asia Map Quiz | 0 | - | 4.99 | 918,061 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,598 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,628,639 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,709 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,313 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,346 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,581 |
| Pixelated United States Map | 0 | - | 4.87 | 94,371 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,305 |
| Name a City - European Countries | 0 | - | 4.90 | 65,499 |
| Cities by Former Name | 0 | - | 4.83 | 91,638 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,761 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,952 |
| World Capitals by Map | 0 | - | 5.00 | 287,114 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,399 |
| Recently Independent Countries | 0 | - | 4.98 | 159,379 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,565 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,307 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,982 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,470 |
| The Only European Country ... | 0 | - | 4.91 | 217,042 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,554 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,376 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,938 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,396 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,009 |
| Countries by Former Name | 0 | - | 4.99 | 125,240 |
| Countries of Africa | 0 | - | 5.00 | 2,541,206 |
| Historical City to Country | 0 | - | 4.84 | 78,599 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,517 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,313 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,996 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,550 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,813 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,114 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,038 |
| Australia Map Quiz | 0 | - | 4.95 | 344,880 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,772 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,722 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,527 |
| Cities in European History #1 | 0 | - | 4.63 | 134,117 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,367 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,777 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,890 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,930 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,051 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,841 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,591 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,442 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,113 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,214 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,411 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,750 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,170 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,772 |
| Megacities on a World Map | 0 | - | 4.98 | 255,002 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,078 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,953 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,801 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,905 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,415 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,260 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,846 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,294 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,602 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,342 |
| North America Cities by Map | 0 | - | 4.41 | 47,826 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,260 |
| Former Capitals | 0 | - | 4.88 | 71,494 |
| Europe Capital to Country | 0 | - | 4.99 | 250,610 |
| Asia Capital to Country | 0 | - | 4.96 | 126,759 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,046 |
| European Capitals by Map | 0 | - | 4.99 | 139,623 |
| African Capitals by Map | 0 | - | 4.99 | 134,043 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,551 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,194 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,536 |
| European Coastal Capitals | 0 | - | 4.95 | 90,714 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,633 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,436 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,285 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,559 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,698 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,835 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,047 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,957 |
| Countries of the Middle East | 0 | - | 4.96 | 201,384 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,436 |
| Slavic Countries | 0 | - | 4.96 | 111,780 |
| African Island Countries | 0 | - | 4.96 | 101,751 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,638 |
| Pixelated World Map | 0 | - | 5.00 | 143,522 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,544 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,924 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,614 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,048 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,626 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,687 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,178 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,792 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,861 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,675 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,315 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,321 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,692 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,358 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,268 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,104 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,356 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,256 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,065 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,820 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,960 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,264 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,307 |
| North America Map Quiz | 0 | - | 4.98 | 248,948 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,031 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,319 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,299 |
| Flags of North and South America | 0 | - | 4.99 | 373,769 |
| Australian States and Territories | 0 | - | 4.96 | 142,132 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,168 |
| Counties of England | 0 | - | 4.97 | 797,935 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,090 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,395 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,150 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,328 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,756 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,316 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,115 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,041 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,506 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,234 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,502 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,568 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,847 |
| Official Cities in the UK | 0 | - | 4.89 | 284,189 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,004 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,247 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,128 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,421 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,923 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,239 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,478 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,352 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,657 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,985 |
