| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,373 |
| World's Longest Rivers | 0 | - | 4.89 | 137,636 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,141 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,180 |
| North Sea Countries | 0 | - | 4.92 | 87,711 |
| Black Sea Countries | 0 | - | 4.87 | 60,752 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,593 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,685 |
| Seas on the World Map | 0 | - | 4.96 | 135,991 |
| Seas of the World | 0 | - | 5.00 | 158,541 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,048 |
| Countries with Fjords | 0 | - | 4.94 | 101,336 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,908 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,711 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,126 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,933 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,669 |
| Famous Rivers | 0 | - | 4.75 | 105,253 |
| City to River #1 | 0 | - | 4.59 | 35,903 |
| Most Populous River Basins | 0 | - | 4.55 | 39,818 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,488 |
| Countries With No Rivers | 0 | - | 4.96 | 77,152 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,031 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,314 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,289 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,729 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,343 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,896 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,886 |
| Megadiverse Countries | 0 | - | 4.96 | 135,294 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,994 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,013 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,161 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,825 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,412 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,077 |
| Rivers by City | 0 | - | 4.38 | 31,780 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,231 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,088 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,632 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,267 |
| Geologic Time Scale | 0 | - | 4.41 | 10,068 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,369 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,850 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,168 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,739 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,034 |
| Boundary Waters | 0 | - | 4.92 | 88,779 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,721 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,370 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,988 |
| Biggest City by River | 0 | - | 4.38 | 52,966 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,896,524 |
| Landlocked Countries | 0 | - | 4.99 | 426,116 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,561 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,870 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,936 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,419 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,019 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,039 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,655 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,053 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,749 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,816 |
| Island Countries | 0 | - | 4.99 | 712,642 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,390 |
| Himalayan Countries | 0 | - | 4.93 | 140,346 |
| Andean Countries | 0 | - | 4.94 | 85,522 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,669 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,088 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,244 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,476 |
| Danube Countries | 0 | - | 4.97 | 72,433 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,627 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,864 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,177 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,653 |
| European Landlocked Countries | 0 | - | 4.99 | 147,629 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,343 |
| Countries with the Most Species | 0 | - | 4.99 | 103,584 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,438 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,784 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,893 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,857 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,593 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,038 |
| Countries in the Alps | 0 | - | 4.87 | 118,814 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,690 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,920 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,978 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,044 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,986 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,283 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,431 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,883 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,442 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,202 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,893 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,754 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,575 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,821 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,909 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,903 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,634 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,259 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,710 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,817 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,207 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,531 |
| Largest Countries By Category | 0 | - | 4.97 | 158,895 |
| Countries by Countries | 0 | - | 4.96 | 63,665 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,290 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,411 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,677 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,063 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,449 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,126 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,004 |
| Northernmost Countries | 0 | - | 4.99 | 364,122 |
| Countries of South America | 0 | - | 5.00 | 932,993 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,778 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,053 |
| "Land" Countries | 0 | - | 4.98 | 338,442 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,482 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,991 |
| Top World Languages | 0 | - | 4.92 | 830,100 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,815 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,622 |
| Rivers on Borders | 0 | - | 4.02 | 22,740 |
| Rivers A-Z | 0 | - | 4.35 | 32,860 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,155 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,586 |
| Longest International Borders | 0 | - | 4.99 | 265,843 |
| Countries with Three Borders | 0 | - | 4.96 | 36,783 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,368 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,505 |
| Demonym of Every Country | 0 | - | 4.90 | 61,507 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,737 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,007 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,227 |
| Countries with Megacities | 0 | - | 4.99 | 267,261 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,915 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,173 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,226 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,287 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,346 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,389 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,990 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,233 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,259 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,184 |
| Countries by Capital City | 0 | - | 5.00 | 69,441 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,880 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,257 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,835 |
| Moved Capital Cities | 0 | - | 4.96 | 74,667 |
| Countries by Official Language | 0 | - | 4.95 | 196,040 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,683 |
| Countries in their Native Language | 0 | - | 4.99 | 199,782 |
| Independence from Whom | 0 | - | 4.99 | 213,127 |
| Subdivisions by Country | 0 | - | 4.87 | 50,627 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,480 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,980 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,547 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,709 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,232 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,297 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,863 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,139 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,576 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,085 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,262 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,579 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,391 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,452 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,158 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,595 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,889 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,359 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,414 |
| World Map Quiz | 0 | - | 4.81 | 65,771 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,383 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,729 |
| Countries by Founding Story | 0 | - | 4.95 | 77,823 |
| Countries by Road Signs | 0 | - | 4.98 | 54,368 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,305 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,115 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,591 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,645 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,465 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,566 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,765 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,713 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,775 |
| Widest Countries East to West | 0 | - | 4.92 | 130,620 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,604 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,278 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,525 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,076 |
