| Biggest Countries by Area | 0 | - | 4.99 | 1,040,807 |
| Northernmost Countries | 0 | - | 4.99 | 358,272 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,605 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,380 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,121 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,097 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,021 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,212 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,416 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,019 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,456 |
| Widest Countries East to West | 0 | - | 4.92 | 128,954 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,260 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,365 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,615 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,783 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,725 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,153 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 74,188 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,625 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,767 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,057 |
| Landlocked Countries | 0 | - | 4.99 | 414,602 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,069 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,000,802 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,074 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,258 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,740 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,090 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 207,353 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,221 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,999 |
| Himalayan Countries | 0 | - | 4.95 | 135,709 |
| Andean Countries | 0 | - | 4.94 | 83,028 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,375 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,440 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,079 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,737 |
| Danube Countries | 0 | - | 4.97 | 71,184 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,901 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,640 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,703 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,608 |
| European Landlocked Countries | 0 | - | 4.99 | 145,879 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,367 |
| Countries with the Most Species | 0 | - | 4.99 | 95,299 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,534 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,238 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,406 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,018 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,654 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,023 |
| Countries in the Alps | 0 | - | 4.86 | 116,986 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,683 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,461 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,107 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,513 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,298 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,094 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,699 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,842 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,597 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,153 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,232 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,102 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,539 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,829 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,831 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,295 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,738 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,312 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,939 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,845 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,999 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,683 |
| Largest Countries By Category | 0 | - | 4.97 | 156,911 |
| Countries by Countries | 0 | - | 4.96 | 62,364 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,551 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,000 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,860 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,724,958 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 17,964 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,655 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,272 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,289 |
| Coldest Countries | 0 | - | 4.97 | 137,355 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,297 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,714 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,218 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,186 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,402 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,191 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,490 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,346 |
| Island Countries | 0 | - | 4.99 | 708,011 |
| Countries of South America | 0 | - | 5.00 | 916,617 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,636 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,830 |
| "Land" Countries | 0 | - | 4.98 | 333,916 |
| Lowest Fertility Countries | 0 | - | 4.41 | 97,361 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 189,073 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,122 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 88,765 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,319 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 130,934 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,326 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 44,922 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,022 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 78,811 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 102,307 |
| Countries with the Lowest Murder Rate | 0 | - | 4.63 | 77,144 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,103 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,701 |
| Countries with Megacities | 0 | - | 4.99 | 247,754 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,554 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,239 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,954 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,184 |
| Countries by Official Language | 0 | - | 4.95 | 192,979 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,432 |
| Countries in their Native Language | 0 | - | 4.99 | 196,839 |
| Independence from Whom | 0 | - | 4.99 | 209,951 |
| Subdivisions by Country | 0 | - | 4.86 | 50,115 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,932 |
| Megadiverse Countries | 0 | - | 4.97 | 133,981 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,008 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,967 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,482 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,886 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,786 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,070 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,216 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,230 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,264 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,767 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,767 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,466 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,567 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,556 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,748 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,077 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,889 |
| World Map Quiz | 0 | - | 4.81 | 63,682 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,249 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,439 |
| Countries with Double Letters | 0 | - | 4.96 | 93,580 |
| Countries that End in N | 0 | - | 4.94 | 157,059 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,899 |
| Countries with Six Letters | 0 | - | 4.93 | 210,562 |
| Countries with W | 0 | - | 4.97 | 158,354 |
| Countries with Z | 0 | - | 4.98 | 288,090 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,678 |
| Countries That End in U | 0 | - | 4.95 | 119,588 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,781 |
| Countries that End in O | 0 | - | 4.92 | 158,616 |
| Countries that End in R | 0 | - | 4.87 | 118,337 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,907 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,297 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,468 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,591 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,132 |
| Countries That End in Y | 0 | - | 4.90 | 185,256 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,524 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,821 |
| Countries that End in I | 0 | - | 4.94 | 134,499 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,358 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,258 |
| Countries That End in NIA | 0 | - | 4.92 | 109,077 |
| Countries That End in BIA | 0 | - | 4.92 | 147,800 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,182 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,585 |
| Countries That End in RIA | 0 | - | 4.93 | 126,154 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,114 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,553 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,618 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,981 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,475 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,980 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,214 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,737 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,618 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,857 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,921 |
| Countries that End in L | 0 | - | 4.94 | 156,110 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,765 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,010 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,581 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,384 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,484 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,736 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,500 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 140,704 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,546 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,917 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,848 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,774 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,221 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,447 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,386 |
| One Border Countries | 0 | - | 4.98 | 465,073 |
