| Countries with the Longest Coastlines | 0 | - | 4.81 | 393,312 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.98 | 106,683 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,994 |
| Countries With No Rivers | 0 | - | 4.96 | 70,125 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 78,567 |
| Countries with Fjords | 0 | - | 4.92 | 79,465 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 69,093 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,748 |
| Countries That Touch the Baltic Sea | 0 | - | 4.99 | 112,687 |
| North Sea Countries | 0 | - | 4.92 | 81,186 |
| Black Sea Countries | 0 | - | 4.87 | 57,705 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 61,796 |
| Caspian Sea Countries | 0 | - | 4.92 | 59,429 |
| Countries with the Shortest Coastlines | 0 | - | 4.81 | 54,833 |
| Countries That Border Russia | 0 | - | 4.98 | 431,456 |
| Megadiverse Countries | 0 | - | 4.96 | 126,866 |
| African Great Lakes | 0 | - | 4.85 | 55,183 |
| Countries with Wild Tigers | 0 | - | 4.95 | 112,476 |
| Countries with Wild Penguins | 0 | - | 4.93 | 91,386 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 79,755 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,671 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,389 |
| Countries that Border Hungary | 0 | - | 4.98 | 97,525 |
| Countries Bordering Iran | 0 | - | 4.82 | 89,255 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.92 | 260,680 |
| Countries that Border Iraq | 0 | - | 4.97 | 102,631 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 71,956 |
| Countries Bordering Saudi Arabia | 0 | - | 4.94 | 112,940 |
| Countries Bordering Serbia | 0 | - | 4.95 | 84,440 |
| Countries Bordering Turkey | 0 | - | 4.98 | 110,137 |
| Countries that Border Poland | 0 | - | 4.99 | 160,731 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,812,442 |
| Countries Bordering Brazil | 0 | - | 4.96 | 125,110 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 35,153 |
| Countries with the Most Sheep | 0 | - | 4.88 | 83,120 |
| Monarchies Bordering Monarchies | 0 | - | 4.86 | 56,312 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,993 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,178,323 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,233,110 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.85 | 210,000 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 102,858 |
| Countries with the Most Wolves | 0 | - | 4.88 | 79,904 |
| European Countries with One Border | 0 | - | 4.96 | 152,716 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,610 |
| Countries Bordering France | 0 | - | 4.87 | 361,829 |
| Countries Bordering Germany | 0 | - | 4.99 | 344,654 |
| Biggest City by River | 0 | - | 4.42 | 51,182 |
| Cities on a Map of the Great Lakes | 0 | - | 4.42 | 41,609 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,386 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,083 |
| Members of the Arab League | 0 | - | 4.86 | 66,522 |
| Island Countries Quiz | 0 | - | 4.99 | 669,155 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,684 |
| Himalayan Countries | 0 | - | 4.94 | 108,622 |
| Andean Countries | 0 | - | 4.91 | 60,332 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,513 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,933 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,565 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,898 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,333 |
| Danube Countries | 0 | - | 4.96 | 57,265 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,269 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,327 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,809 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,491 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,137 |
| European Landlocked Countries | 0 | - | 4.99 | 137,274 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,894 |
| Countries with the Most Species | 0 | - | 4.99 | 90,078 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,433 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,055 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,343 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,122 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,923 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,157 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,984 |
| Countries in the Alps | 0 | - | 4.84 | 103,956 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,521 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,708 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,344 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,447 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,969 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,408 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,618 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,822 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,735 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,468 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,234 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,062 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,053 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,644 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,731 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,301 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,739 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 62,005 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,106 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 203,035 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,608 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,876 |
| Largest Countries By Category | 0 | - | 4.97 | 146,545 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,724 |
| Biggest Countries by Area | 0 | - | 5.00 | 948,435 |
| Northernmost Countries | 0 | - | 4.99 | 331,119 |
| Landforms by Country Quiz | 0 | - | 4.54 | 51,331 |
| Countries of South America | 0 | - | 5.00 | 811,018 |
| Countries of Oceania | 0 | - | 5.00 | 914,883 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,613,727 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 110,008 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 131,011 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.90 | 82,626 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 95,170 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,333 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.96 | 63,731 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.71 | 34,123 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,792 |
| South China Sea Countries | 0 | - | 4.82 | 54,362 |
| One Border Countries - Shape Quiz | 0 | - | 4.86 | 46,807 |
| Countries Bordering India | 0 | - | 4.98 | 157,121 |
| Countries Bordering Austria | 0 | - | 4.97 | 111,237 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 66,870 |
| Countries Bordering D.R. Congo | 0 | - | 4.98 | 60,761 |
| Countries that Border China | 0 | - | 4.96 | 235,920 |
| Countries Bordering Kenya | 0 | - | 4.86 | 58,727 |
| Countries Bordering South Africa | 0 | - | 4.97 | 78,796 |
| Countries Bordering Italy | 0 | - | 4.95 | 95,680 |
| Merged Countries #2 | 0 | - | 4.96 | 90,831 |
| Merged Countries #4 | 0 | - | 4.86 | 85,840 |
| Merged Countries #6 | 0 | - | 4.90 | 66,318 |
| Merged Countries #7 | 0 | - | 4.94 | 75,508 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,329,871 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,594 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,209 |
| Countries with Megacities | 0 | - | 4.99 | 202,082 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,578 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,067 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,391 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,995 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,365 |
| Countries by Official Language | 0 | - | 4.96 | 175,380 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,724 |
| Countries in their Native Language | 0 | - | 4.98 | 180,753 |
| Independence from Whom | 0 | - | 4.99 | 189,564 |
| Subdivisions by Country | 0 | - | 4.84 | 46,928 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,768 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,061 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,636 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,852 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,434 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,937 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,742 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,086 |
| Countries with the Most Wild Elephants | 0 | - | 4.57 | 51,376 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,760 |
| Animal Populations of Countries | 0 | - | 4.50 | 40,634 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,874 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,143 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,307 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,988 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,535 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,120,262 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,804 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,910 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,908 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,275 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,963 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,742 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,153 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,381 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,157 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,645 |
| Widest Countries East to West | 0 | - | 4.93 | 120,615 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,138 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,642 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,878 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,457 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,911 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,714 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,553 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,816 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,436 |
| Countries with Double Letters | 0 | - | 4.96 | 72,187 |
| Countries that End in N | 0 | - | 4.94 | 136,466 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,239 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,896 |
| Countries with W | 0 | - | 4.96 | 125,994 |
| Countries with Z | 0 | - | 4.98 | 265,008 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,879 |
| Countries That End in U | 0 | - | 4.95 | 109,604 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,634 |
| Countries that End in O | 0 | - | 4.92 | 148,816 |
| Countries that End in R | 0 | - | 4.85 | 97,418 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,376 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,393 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,823 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,779 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,717 |
| Countries That End in Y | 0 | - | 4.91 | 175,368 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,108 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,470 |
| Countries that End in I | 0 | - | 4.92 | 115,266 |
