| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,304 |
| World's Longest Rivers | 0 | - | 4.90 | 137,194 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,800 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,097 |
| North Sea Countries | 0 | - | 4.92 | 87,531 |
| Black Sea Countries | 0 | - | 4.87 | 60,673 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,479 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,577 |
| Seas on the World Map | 0 | - | 4.96 | 135,632 |
| Seas of the World | 0 | - | 5.00 | 157,611 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,929 |
| Countries with Fjords | 0 | - | 4.94 | 101,101 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,781 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,590 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,955 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,775 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,518 |
| Famous Rivers | 0 | - | 4.75 | 105,106 |
| City to River #1 | 0 | - | 4.59 | 35,875 |
| Most Populous River Basins | 0 | - | 4.55 | 39,760 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,407 |
| Countries With No Rivers | 0 | - | 4.96 | 76,967 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,370 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,270 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,265 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,674 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,028 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,639 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,801 |
| Megadiverse Countries | 0 | - | 4.96 | 135,083 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,715 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,853 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,052 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,620 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,325 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,035 |
| Rivers by City | 0 | - | 4.38 | 31,750 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,142 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,052 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,564 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,173 |
| Geologic Time Scale | 0 | - | 4.41 | 10,044 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,127 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,828 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,539 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,636 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,027 |
| Boundary Waters | 0 | - | 4.92 | 88,621 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,294 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,370 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,876 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,702 |
| Biggest City by River | 0 | - | 4.38 | 52,909 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,652,596 |
| Landlocked Countries | 0 | - | 4.99 | 422,874 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,774 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,946 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,756 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,110 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,532 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,552 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,390 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,839 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,788 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,878 |
| Island Countries | 0 | - | 4.99 | 711,362 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,959 |
| Himalayan Countries | 0 | - | 4.95 | 139,128 |
| Andean Countries | 0 | - | 4.93 | 84,850 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,069 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,182 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,653 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,965 |
| Danube Countries | 0 | - | 4.97 | 72,123 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,165 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,523 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,503 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,008 |
| European Landlocked Countries | 0 | - | 4.99 | 147,262 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,811 |
| Countries with the Most Species | 0 | - | 4.99 | 103,332 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,937 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,644 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,761 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,609 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,350 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,770 |
| Countries in the Alps | 0 | - | 4.87 | 118,341 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,681 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,246 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,738 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,695 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,616 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,029 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,789 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,589 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,238 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,943 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,705 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,584 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,315 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,554 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,623 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,119 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,388 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,650 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,228 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,419 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,392 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,301 |
| Largest Countries By Category | 0 | - | 4.97 | 158,371 |
| Countries by Countries | 0 | - | 4.96 | 63,340 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,814 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,319 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,589 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,897 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,115 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,772 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,994 |
| Northernmost Countries | 0 | - | 4.99 | 362,402 |
| Countries of South America | 0 | - | 5.00 | 928,616 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,450 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,069 |
| "Land" Countries | 0 | - | 4.98 | 337,592 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,783 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,883 |
| Top World Languages | 0 | - | 4.92 | 825,671 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,579 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,529 |
| Rivers on Borders | 0 | - | 4.02 | 22,719 |
| Rivers A-Z | 0 | - | 4.35 | 32,813 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,232 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,359 |
| Longest International Borders | 0 | - | 4.99 | 265,356 |
| Countries with Three Borders | 0 | - | 4.96 | 36,647 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,175 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,282 |
| Demonym of Every Country | 0 | - | 4.91 | 60,896 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,592 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,656 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,154 |
| Countries with Megacities | 0 | - | 4.99 | 265,203 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,978 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,617 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,237 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,690 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,719 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,681 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,639 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,798 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,652 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,502 |
| Countries by Capital City | 0 | - | 5.00 | 68,790 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,463 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,901 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,494 |
| Moved Capital Cities | 0 | - | 4.96 | 74,410 |
| Countries by Official Language | 0 | - | 4.95 | 195,442 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,635 |
| Countries in their Native Language | 0 | - | 4.99 | 199,213 |
| Independence from Whom | 0 | - | 4.99 | 212,304 |
| Subdivisions by Country | 0 | - | 4.87 | 50,475 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,885 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,240 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,402 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,282 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,138 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,251 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,650 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,588 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,408 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,702 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,178 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,877 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,939 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,257 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,010 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,410 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,540 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,872 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,487 |
| World Map Quiz | 0 | - | 4.81 | 65,226 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,736 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,437 |
| Countries by Founding Story | 0 | - | 4.95 | 77,445 |
| Countries by Road Signs | 0 | - | 4.98 | 54,100 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,275 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,381 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,094 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,497 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,991 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,098 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,379 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,490 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,638 |
| Widest Countries East to West | 0 | - | 4.92 | 129,735 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,476 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,494 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,209 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,825 |
