| Countries with Glaciers | 0 | - | 4.97 | 105,918 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 110,059 |
| Countries with the Most Forest | 0 | - | 4.88 | 148,330 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 65,074 |
| Island Countries | 0 | - | 4.99 | 713,194 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,205 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,846 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,549 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,208 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,010 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,829 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,618 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,973 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 145,500 |
| Least-Forested Countries | 0 | - | 4.53 | 65,485 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,416 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,768 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,963 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 37,985 |
| Most Populous Islands | 0 | - | 4.80 | 123,477 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,412 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,690 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,213 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,543 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,280 |
| Boundary Waters | 0 | - | 4.92 | 88,871 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,490 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,902 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,637 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,104 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,006,137 |
| Landlocked Countries | 0 | - | 4.99 | 427,697 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,561 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,648 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,557 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,022 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,558 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,568 |
| People Born on Islands | 0 | - | 4.39 | 53,098 |
| Islands by Picture | 0 | - | 4.28 | 108,008 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,019 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,564 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,234 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,256 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,035 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,428 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,177 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,638 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,128 |
| Himalayan Countries | 0 | - | 4.93 | 141,013 |
| Andean Countries | 0 | - | 4.94 | 85,897 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,008 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,624 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,551 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,761 |
| Danube Countries | 0 | - | 4.97 | 72,607 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,872 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,021 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,527 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,012 |
| European Landlocked Countries | 0 | - | 4.99 | 147,820 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,606 |
| Countries with the Most Species | 0 | - | 4.99 | 103,672 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,711 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,833 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,975 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,960 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,708 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,176 |
| Countries in the Alps | 0 | - | 4.87 | 119,048 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,119 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,255 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,091 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,220 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,192 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,425 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,644 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,033 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,538 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,350 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,977 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,851 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,707 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,962 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,064 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,256 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,768 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,773 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,904 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,562 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,633 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,642 |
| Largest Countries By Category | 0 | - | 4.97 | 159,189 |
| Countries by Countries | 0 | - | 4.97 | 63,853 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,520 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,458 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,717 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,290 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,719 |
| Northernmost Countries | 0 | - | 4.99 | 364,831 |
| Countries of South America | 0 | - | 5.00 | 934,915 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,261 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,640 |
| "Land" Countries | 0 | - | 4.98 | 339,172 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,627 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,034 |
| Top World Languages | 0 | - | 4.92 | 832,146 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,925 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,670 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,539 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,695 |
| Longest International Borders | 0 | - | 4.99 | 266,088 |
| Countries with Three Borders | 0 | - | 4.96 | 36,858 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,448 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,594 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,241 |
| Demonym of Every Country | 0 | - | 4.90 | 61,692 |
| Islands A-Z | 0 | - | 4.46 | 128,167 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,794 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,193 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,652 |
| Countries with Megacities | 0 | - | 4.99 | 268,173 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,295 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,407 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,629 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,522 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,585 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,639 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,132 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,409 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,532 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,498 |
| Countries by Capital City | 0 | - | 5.00 | 69,721 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,242 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,405 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,014 |
| Moved Capital Cities | 0 | - | 4.96 | 74,764 |
| Countries by Official Language | 0 | - | 4.95 | 196,328 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,087 |
| Countries in their Native Language | 0 | - | 4.99 | 200,039 |
| Independence from Whom | 0 | - | 4.99 | 213,537 |
| Subdivisions by Country | 0 | - | 4.87 | 50,682 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,751 |
| Megadiverse Countries | 0 | - | 4.96 | 149,764 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,216 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,595 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,272 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,957 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,374 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,655 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,299 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,895 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,517 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,530 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,249 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,669 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,462 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,888 |
| World Map Quiz | 0 | - | 4.81 | 65,983 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,165 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,863 |
| Countries by Founding Story | 0 | - | 4.95 | 77,948 |
| Countries by Road Signs | 0 | - | 4.98 | 54,498 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,631 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,290 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,764 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,065 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,615 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,731 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,904 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,786 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,014 |
| Widest Countries East to West | 0 | - | 4.92 | 130,906 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,467 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,586 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,196 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,487 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,649 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,934 |
| Countries with Double Letters | 0 | - | 4.96 | 97,774 |
| Countries that End in N | 0 | - | 4.95 | 172,776 |
| Countries with Five Letters | 0 | - | 4.96 | 284,836 |
| Countries with Six Letters | 0 | - | 4.94 | 215,109 |
| Countries with W | 0 | - | 4.96 | 161,422 |
| Countries with Z | 0 | - | 4.98 | 293,165 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,793 |
| Countries That End in U | 0 | - | 4.95 | 121,455 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,543 |
| Countries that End in O | 0 | - | 4.92 | 160,423 |
| Countries that End in R | 0 | - | 4.87 | 119,315 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,086 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,260 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,621 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,300 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,971 |
| Countries That End in Y | 0 | - | 4.91 | 186,204 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,512 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,482 |
