| Countries with Glaciers | 0 | - | 4.97 | 105,551 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,758 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,681 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,750 |
| Island Countries | 0 | - | 4.99 | 711,066 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,164 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,237 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,145 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,662 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,498 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,688 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,342 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,741 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,750 |
| Least-Forested Countries | 0 | - | 4.53 | 65,280 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,172 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,660 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,629 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,862 |
| Most Populous Islands | 0 | - | 4.80 | 123,043 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,325 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,566 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,164 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,122 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,017 |
| Boundary Waters | 0 | - | 4.92 | 88,575 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,253 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,276 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,612 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,586,881 |
| Landlocked Countries | 0 | - | 4.99 | 422,028 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,475 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,377 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,424 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,513 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,151 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,416 |
| People Born on Islands | 0 | - | 4.39 | 52,970 |
| Islands by Picture | 0 | - | 4.28 | 107,239 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,713 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,024 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,420 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,432 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,612 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,637 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,512 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,306 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,487 |
| Himalayan Countries | 0 | - | 4.94 | 138,756 |
| Andean Countries | 0 | - | 4.93 | 84,620 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,825 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,844 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,444 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,818 |
| Danube Countries | 0 | - | 4.97 | 72,015 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,017 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,427 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,323 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,800 |
| European Landlocked Countries | 0 | - | 4.99 | 147,149 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,656 |
| Countries with the Most Species | 0 | - | 4.99 | 103,246 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,777 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,597 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,725 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,545 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,234 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,665 |
| Countries in the Alps | 0 | - | 4.87 | 118,215 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,160 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,047 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,654 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,599 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,518 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,948 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,682 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,497 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,183 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,856 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,661 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,530 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,234 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,478 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,529 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,923 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,313 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,849 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,083 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,965 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,131 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,236 |
| Largest Countries By Category | 0 | - | 4.97 | 158,221 |
| Countries by Countries | 0 | - | 4.96 | 63,230 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,696 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,289 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,567 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,678 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,933 |
| Northernmost Countries | 0 | - | 4.99 | 361,986 |
| Countries of South America | 0 | - | 5.00 | 927,421 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,006 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,455 |
| "Land" Countries | 0 | - | 4.98 | 337,354 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,717 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,860 |
| Top World Languages | 0 | - | 4.92 | 824,320 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,507 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,500 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,018 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,291 |
| Longest International Borders | 0 | - | 4.99 | 265,207 |
| Countries with Three Borders | 0 | - | 4.96 | 36,618 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,131 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,231 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,135 |
| Demonym of Every Country | 0 | - | 4.91 | 60,719 |
| Islands A-Z | 0 | - | 4.46 | 125,678 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,453 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,564 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,909 |
| Countries with Megacities | 0 | - | 4.99 | 264,592 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,748 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,473 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,010 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,546 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,498 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,533 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,546 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,679 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,483 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,306 |
| Countries by Capital City | 0 | - | 5.00 | 68,628 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,369 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,805 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,408 |
| Moved Capital Cities | 0 | - | 4.96 | 74,340 |
| Countries by Official Language | 0 | - | 4.95 | 195,262 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,384 |
| Countries in their Native Language | 0 | - | 4.99 | 199,051 |
| Independence from Whom | 0 | - | 4.99 | 212,109 |
| Subdivisions by Country | 0 | - | 4.86 | 50,432 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,740 |
| Megadiverse Countries | 0 | - | 4.96 | 135,016 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,100 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,360 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,107 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,600 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,475 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,033 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,147 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,678 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,884 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,206 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,966 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,351 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,775 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,194 |
| World Map Quiz | 0 | - | 4.81 | 65,094 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,311 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,351 |
| Countries by Founding Story | 0 | - | 4.95 | 77,379 |
| Countries by Road Signs | 0 | - | 4.98 | 54,014 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,105 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,281 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,998 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,200 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,897 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,015 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,304 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,440 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,579 |
| Widest Countries East to West | 0 | - | 4.92 | 129,651 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,459 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,384 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,123 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,769 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,604 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,874 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,375 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,797 |
| Countries with Double Letters | 0 | - | 4.96 | 96,240 |
| Countries that End in N | 0 | - | 4.95 | 171,123 |
| Countries with Five Letters | 0 | - | 4.96 | 282,473 |
| Countries with Six Letters | 0 | - | 4.94 | 213,549 |
| Countries with W | 0 | - | 4.97 | 160,323 |
| Countries with Z | 0 | - | 4.98 | 291,447 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,699 |
| Countries That End in U | 0 | - | 4.95 | 120,853 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,459 |
| Countries that End in O | 0 | - | 4.92 | 159,508 |
| Countries that End in R | 0 | - | 4.87 | 118,968 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,730 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,087 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,693 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,471 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,398 |
| Countries That End in Y | 0 | - | 4.91 | 185,871 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,914 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,854 |
| Countries that End in I | 0 | - | 4.94 | 135,089 |
