| Countries That Touch the Baltic Sea | 0 | - | 4.99 | 112,671 |
| North Sea Countries | 0 | - | 4.92 | 81,159 |
| Black Sea Countries | 0 | - | 4.87 | 57,692 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 61,771 |
| Caspian Sea Countries | 0 | - | 4.92 | 59,411 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 79,013 |
| Rivers of Europe Quiz | 0 | - | 4.90 | 49,123 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 47,184 |
| Largest Lakes in the United States on a Map | 0 | - | 4.89 | 22,048 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 31,473 |
| World's Longest Rivers | 0 | - | 4.88 | 110,902 |
| Countries Bordering the Four Color Seas | 0 | - | 4.93 | 19,259 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 393,201 |
| Countries With No Rivers | 0 | - | 4.96 | 70,096 |
| Countries with the Shortest Coastlines | 0 | - | 4.81 | 54,823 |
| Name a Valid Country for Each River | 0 | - | 4.97 | 52,732 |
| Tectonic Plates Map Quiz | 0 | - | 4.98 | 57,609 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.98 | 106,621 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 69,065 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 74,044 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 78,544 |
| Countries with Fjords | 0 | - | 4.92 | 79,427 |
| Gulfs and Bays on the World Map | 0 | - | 4.58 | 27,385 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 142,017 |
| Biggest Lakes in the World | 0 | - | 4.66 | 84,185 |
| Great Lakes Quiz | 0 | - | 4.76 | 46,838 |
| Famous Rivers | 0 | - | 4.75 | 99,486 |
| Most Populous River Basins | 0 | - | 4.57 | 37,864 |
| Rivers that Flow through the Most Countries | 0 | - | 4.52 | 37,830 |
| Trace the Coast of Europe with a Map | 0 | - | 4.95 | 70,257 |
| Biggest City by River | 0 | - | 4.42 | 51,167 |
| Cities on a Map of the Great Lakes | 0 | - | 4.42 | 41,591 |
| Megadiverse Countries | 0 | - | 4.96 | 126,826 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,470,791 |
| Famous Lakes Quiz | 0 | - | 4.49 | 23,000 |
| City to River #1 | 0 | - | 4.53 | 24,805 |
| City to River #2 - Difficult | 0 | - | 4.51 | 14,245 |
| Largest Rivers by Discharge | 0 | - | 4.51 | 14,954 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 35,147 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 41,537 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,362 |
| World Capitals by Map | 0 | - | 5.00 | 247,707 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 51,063 |
| Countries of the World in 1900 | 0 | - | 4.88 | 68,531 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 173,687 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 130,825 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 77,139 |
| Landforms Quiz | 0 | - | 4.34 | 74,860 |
| Geologic Time Scale | 0 | - | 4.46 | 9,112 |
| African East Coast | 0 | - | 4.97 | 85,846 |
| Seas that Touch the Most Countries | 0 | - | 4.72 | 90,857 |
| Megacities on a World Map | 0 | - | 4.98 | 223,753 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,723 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 91,988 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,009 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 96,039 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 44,162 |
| Pixelated World Map | 0 | - | 5.00 | 130,625 |
| Countries of Europe in 1444 | 0 | - | 4.93 | 88,710 |
| Countries of the World in 1444 | 0 | - | 4.98 | 51,011 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.81 | 50,533 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 41,321 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 71,595 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 122,887 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.95 | 37,796 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 44,661 |
| Atlantic Ocean General Knowledge | 0 | - | 4.72 | 20,131 |
| Indian Ocean General Knowledge | 0 | - | 4.51 | 21,279 |
| Bodies of Water by Cities | 0 | - | 4.79 | 26,969 |
| Rivers by City Quiz | 0 | - | 4.35 | 21,828 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 71,004 |
| Geography by Letter on the World Map - A | 0 | - | 4.83 | 94,404 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 105,082 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,097 |
| Top African Languages on a Map | 0 | - | 4.93 | 56,065 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.98 | 48,111 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,024 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,191 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,252 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 280,239 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,803 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,728 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,403 |
| Random Point on Land to Country | 0 | - | 4.99 | 210,085 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 62,277 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,551 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 270,434 |
| Landforms by Description Quiz | 0 | - | 4.38 | 25,591 |
| Rivers on Borders | 0 | - | 4.06 | 22,001 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,811 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,480 |
| Pixelated Europe Map | 0 | - | 4.90 | 111,034 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 103,581 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 135,860 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 64,560 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 51,180 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 60,346 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.97 | 28,418 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.98 | 12,259 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 21,674 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.91 | 26,667 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,660 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 81,260 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 93,413 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 104,852 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 42,230 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 95,311 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 95,905 |
| Boundary Waters | 0 | - | 4.93 | 82,038 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,438 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 47,207 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,582 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 61,538 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,781,080 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,580 |
| Save Humanity by Guessing Countries | 0 | - | 4.99 | 377,337 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.80 | 37,107 |
| Seas of Europe | 0 | - | 4.34 | 80,233 |
| Countries and States in the Caucasus | 0 | - | 4.47 | 47,030 |
| Roman Provinces on a Map | 0 | - | 4.52 | 32,486 |
| Pixelated United States Map | 0 | - | 4.90 | 83,812 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,800 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,291 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,669 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,866 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,589 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,289 |
| European Cities by Map #2 | 0 | - | 4.48 | 44,781 |
| European Cities by Map #1 | 0 | - | 4.66 | 52,239 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 39,149 |
| Mediterranean Cities by Map | 0 | - | 4.49 | 49,533 |
| Cities in Squares on a Map - Europe | 0 | - | 4.75 | 46,995 |
| World Capitals Quiz | 0 | - | 5.00 | 4,578,112 |
| World Capitals on an Empty Map | 0 | - | 4.55 | 47,972 |
| Members of the Arab League | 0 | - | 4.86 | 66,395 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,564 |
| Himalayan Countries | 0 | - | 4.94 | 108,510 |
| Andean Countries | 0 | - | 4.91 | 60,266 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,429 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,883 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,508 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,871 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,292 |
| Danube Countries | 0 | - | 4.96 | 57,246 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,255 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,313 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,751 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,439 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,076 |
| European Landlocked Countries | 0 | - | 4.99 | 137,241 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,847 |
| Countries with the Most Species | 0 | - | 4.99 | 89,869 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,377 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,034 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,328 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,088 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,901 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,145 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,955 |
| Countries in the Alps | 0 | - | 4.84 | 103,907 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,472 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,599 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,308 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,406 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,928 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,378 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,579 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,791 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,715 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,442 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,204 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,043 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,038 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,605 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,697 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,271 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,642 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,982 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,073 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,757 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,494 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,856 |
| Largest Countries By Category | 0 | - | 4.97 | 146,482 |
| Countries by Countries | 0 | - | 4.95 | 55,644 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,174,137 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,598 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,226 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,146 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 40,707 |
| All Countries by Population With a Map | 0 | - | 4.99 | 65,111 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 78,045 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,666 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,230,373 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,309 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,731 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,576 |
| Who Controls It? #1 | 0 | - | 4.82 | 45,887 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,363 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,915 |
| Longest International Borders | 0 | - | 4.99 | 236,713 |
