| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,002 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,916 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,789 |
| North Sea Countries | 0 | - | 4.92 | 86,707 |
| Black Sea Countries | 0 | - | 4.87 | 60,385 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,097 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,171 |
| Countries With No Rivers | 0 | - | 4.96 | 76,137 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,456 |
| Countries with Fjords | 0 | - | 4.93 | 100,358 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,377 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,355 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,654 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,836 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,385 |
| Megadiverse Countries | 0 | - | 4.96 | 134,466 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,001 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,905 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,553 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,618 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,066,786 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,149 |
| Landlocked Countries | 0 | - | 4.99 | 415,474 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,368 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,731,811 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,650 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,343 |
| Himalayan Countries | 0 | - | 4.95 | 136,010 |
| Andean Countries | 0 | - | 4.94 | 83,185 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,510 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,654 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,198 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,846 |
| Danube Countries | 0 | - | 4.97 | 71,277 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,015 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,719 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,888 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,834 |
| European Landlocked Countries | 0 | - | 4.99 | 145,978 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,545 |
| Countries with the Most Species | 0 | - | 4.99 | 95,353 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,667 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,272 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,446 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,074 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,722 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,088 |
| Countries in the Alps | 0 | - | 4.86 | 117,141 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,768 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,618 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,165 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,600 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,396 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,151 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,816 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,906 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,700 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,214 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,279 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,146 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,627 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,889 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,904 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,488 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,803 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,351 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,047 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,325 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,229 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,738 |
| Largest Countries By Category | 0 | - | 4.97 | 157,048 |
| Countries by Countries | 0 | - | 4.96 | 62,454 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,030 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,955 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,768 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,327 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,564 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,916 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,848 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,846 |
| Island Countries | 0 | - | 4.99 | 708,366 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,367,402 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,862 |
| Northernmost Countries | 0 | - | 4.99 | 358,761 |
| Countries of South America | 0 | - | 5.00 | 918,018 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,432 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,854,723 |
| "Land" Countries | 0 | - | 4.98 | 334,123 |
| Biggest City by River | 0 | - | 4.41 | 52,725 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,370 |
| Landforms by Country | 0 | - | 4.52 | 51,929 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,956 |
| African Great Lakes | 0 | - | 4.82 | 65,512 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,117 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,420 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,936 |
| Countries with Megacities | 0 | - | 4.99 | 248,264 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,837 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,377 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,222 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,309 |
| Countries by Official Language | 0 | - | 4.95 | 193,208 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,760 |
| Countries in their Native Language | 0 | - | 4.99 | 197,039 |
| Independence from Whom | 0 | - | 4.99 | 210,184 |
| Subdivisions by Country | 0 | - | 4.86 | 50,152 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,080 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,208 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,020 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,550 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,911 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,894 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,136 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,352 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,458 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,307 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,788 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,951 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,527 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,631 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,592 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,802 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,127 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,172 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,599 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,806 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,535 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,261 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,370 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,127 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,323 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,517 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,087 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,540 |
| Widest Countries East to West | 0 | - | 4.92 | 129,039 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,288 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,505 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,660 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,873 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,847 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,240 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,755 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,646 |
| Countries with Double Letters | 0 | - | 4.96 | 93,718 |
| Countries that End in N | 0 | - | 4.94 | 157,159 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,065 |
| Countries with Six Letters | 0 | - | 4.93 | 210,736 |
| Countries with W | 0 | - | 4.97 | 158,435 |
| Countries with Z | 0 | - | 4.98 | 288,278 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,780 |
| Countries That End in U | 0 | - | 4.95 | 119,624 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,899 |
| Countries that End in O | 0 | - | 4.92 | 158,668 |
| Countries that End in R | 0 | - | 4.87 | 118,385 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,940 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,444 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,577 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,670 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,217 |
| Countries That End in Y | 0 | - | 4.90 | 185,296 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,639 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,921 |
| Countries that End in I | 0 | - | 4.94 | 134,552 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,504 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,314 |
| Countries That End in NIA | 0 | - | 4.92 | 109,133 |
| Countries That End in BIA | 0 | - | 4.92 | 147,867 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,277 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,648 |
| Countries That End in RIA | 0 | - | 4.93 | 126,211 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,199 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,771 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,699 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,049 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,611 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,039 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,299 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,816 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,701 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,906 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,012 |
| Countries that End in L | 0 | - | 4.94 | 156,172 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,236 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,024 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,635 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,473 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,538 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,027 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,656 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,830 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,674 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,065 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,941 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,830 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,245 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,470 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,435 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,808,668 |
| One Border Countries | 0 | - | 4.98 | 465,791 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,597,709 |
