| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,839 |
| North Sea Countries | 0 | - | 4.92 | 86,787 |
| Black Sea Countries | 0 | - | 4.87 | 60,439 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,147 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,247 |
| Seas on the World Map | 0 | - | 4.96 | 134,730 |
| Seas of the World | 0 | - | 5.00 | 155,443 |
| World's Longest Rivers | 0 | - | 4.88 | 121,811 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,749 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,040 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,871 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,092 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,540 |
| Countries with Fjords | 0 | - | 4.93 | 100,467 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,457 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,301 |
| Countries With No Rivers | 0 | - | 4.96 | 76,219 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,512 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,167 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,235 |
| Famous Rivers | 0 | - | 4.74 | 104,687 |
| City to River #1 | 0 | - | 4.59 | 35,782 |
| Most Populous River Basins | 0 | - | 4.55 | 39,600 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,170 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,211 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,882 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,195 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,180 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,521 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,019 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,418 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,582 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,777 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,132 |
| Megadiverse Countries | 0 | - | 4.96 | 134,541 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,117 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,958 |
| Rivers by City | 0 | - | 4.38 | 31,669 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,894 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,963 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,388 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,885 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,495 |
| Geologic Time Scale | 0 | - | 4.46 | 9,975 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,888 |
| Biggest City by River | 0 | - | 4.41 | 52,752 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,763 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,413 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,994 |
| Boundary Waters | 0 | - | 4.92 | 88,232 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,968 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,652 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,810 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,118 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,164,119 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,599 |
| Landlocked Countries | 0 | - | 4.99 | 416,660 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,932 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,605 |
| Rivers on Borders | 0 | - | 4.02 | 22,658 |
| Rivers A-Z | 0 | - | 4.35 | 32,737 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,731 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,369 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,344 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,280 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,534 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,850 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,829 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,830 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,785 |
| Island Countries | 0 | - | 4.99 | 708,811 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,934 |
| Himalayan Countries | 0 | - | 4.95 | 136,501 |
| Andean Countries | 0 | - | 4.95 | 83,491 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,753 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,002 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,422 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,028 |
| Danube Countries | 0 | - | 4.97 | 71,430 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,216 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,849 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,155 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,123 |
| European Landlocked Countries | 0 | - | 4.99 | 146,130 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,761 |
| Countries with the Most Species | 0 | - | 4.99 | 101,571 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,898 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,329 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,510 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,159 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,809 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,190 |
| Countries in the Alps | 0 | - | 4.86 | 117,326 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,903 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,895 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,253 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,741 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,820 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,254 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,986 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,994 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,805 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,329 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,366 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,729 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,996 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,003 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,714 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,895 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,430 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,247 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,010 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,566 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,829 |
| Largest Countries By Category | 0 | - | 4.97 | 157,254 |
| Countries by Countries | 0 | - | 4.96 | 62,592 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,466 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,872 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,080 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,745 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,395 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,085 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,348 |
| Northernmost Countries | 0 | - | 4.99 | 359,384 |
| Countries of South America | 0 | - | 5.00 | 919,682 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,670 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,761 |
| "Land" Countries | 0 | - | 4.98 | 334,606 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,911 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,067 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,637 |
| All Country Flags of the World | 0 | - | 5.00 | 3,630,154 |
| Top World Languages | 0 | - | 4.92 | 817,347 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,932 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,251 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,846 |
| Longest International Borders | 0 | - | 4.99 | 264,301 |
| Countries with Three Borders | 0 | - | 4.96 | 36,345 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,778 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,872 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,949 |
| Demonym of Every Country | 0 | - | 4.91 | 58,915 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,263 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,859 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,944 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,844 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,272 |
| Countries with Megacities | 0 | - | 4.99 | 248,940 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,126 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,544 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,483 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,500 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,028 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,461 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,596 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,052 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,054 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,318 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,171 |
| Countries by Capital City | 0 | - | 5.00 | 67,474 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,742 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,250 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,722 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,701 |
| Moved Capital Cities | 0 | - | 4.96 | 73,884 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,136 |
| Countries by Official Language | 0 | - | 4.95 | 194,010 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,537 |
| Countries in their Native Language | 0 | - | 4.99 | 197,634 |
| Independence from Whom | 0 | - | 4.99 | 210,806 |
| Subdivisions by Country | 0 | - | 4.86 | 50,196 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,327 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,831 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,073 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,628 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,948 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,441 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,211 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,582 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,548 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,371 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,807 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,161 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,579 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,686 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,641 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,859 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,202 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,564 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,179 |
| World Map Quiz | 0 | - | 4.81 | 64,089 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,380 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,696 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,515 |
| Countries by Founding Story | 0 | - | 4.95 | 76,873 |
| Countries by Road Signs | 0 | - | 4.98 | 53,415 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,060 |
