| Biggest Countries by Area | 0 | - | 5.00 | 1,023,649 |
| Northernmost Countries | 0 | - | 4.99 | 350,631 |
| Southernmost Countries of the World | 0 | - | 4.99 | 223,780 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 102,400 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 120,290 |
| Countries With the Most Languages | 0 | - | 4.89 | 196,147 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 108,357 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,790 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,983 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 60,147 |
| Tallest Countries North to South | 0 | - | 4.83 | 118,267 |
| Widest Countries East to West | 0 | - | 4.92 | 127,524 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 183,695 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,858 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,741 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 146,132 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,773 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,739 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,299 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,414,371 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 372,121 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 402,636 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 119,270 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,995,702 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 178,505 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 80,560 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 142,366 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 121,027 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 205,628 |
| Countries with the Most Borders | 0 | - | 4.97 | 380,215 |
| Sahara Desert Countries | 0 | - | 4.97 | 155,517 |
| Himalayan Countries | 0 | - | 4.95 | 130,939 |
| Andean Countries | 0 | - | 4.94 | 80,378 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 60,394 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 119,835 |
| Coffee Producing Countries | 0 | - | 4.81 | 63,844 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 62,881 |
| Danube Countries | 0 | - | 4.97 | 63,225 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 100,141 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 84,196 |
| Countries with the Worst Passports | 0 | - | 4.93 | 80,040 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 144,657 |
| European Landlocked Countries | 0 | - | 4.99 | 144,053 |
| Partially Recognized Countries | 0 | - | 4.98 | 102,938 |
| Countries with the Most Species | 0 | - | 4.99 | 94,189 |
| Countries 197 to 205 | 0 | - | 4.89 | 67,316 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,705 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,888 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,080 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 71,674 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,850 |
| Countries in the Alps | 0 | - | 4.87 | 114,837 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 93,269 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 102,723 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,183 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,886 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,734 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,915 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,874 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,783 |
| Largest Country by Body of Water | 0 | - | 4.96 | 49,511 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,928 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,587 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,387 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 102,344 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,771 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,714 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 114,295 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,656 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 58,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 42,807 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 233,276 |
| World Countries - Blind Typing | 0 | - | 5.00 | 102,087 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,762 |
| Largest Countries By Category | 0 | - | 4.97 | 154,801 |
| Countries by Countries | 0 | - | 4.96 | 60,957 |
| Country Flags with the Most White | 0 | - | 4.87 | 135,536 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,527 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 86,468 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,633,277 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.82 | 17,746 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 219,106 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 162,511 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 167,207 |
| Coldest Countries | 0 | - | 4.97 | 135,725 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 63,330 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 68,509 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 101,549 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 89,159 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 81,587 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 368,290 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 394,274 |
| Island Countries Quiz | 0 | - | 4.99 | 702,839 |
| Countries of South America | 0 | - | 5.00 | 897,351 |
| Countries of Oceania | 0 | - | 5.00 | 1,018,295 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,807,284 |
| Lowest Fertility Countries | 0 | - | 4.41 | 96,658 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 187,525 |
| Top 10 Diamond Producing Countries | 0 | - | 4.46 | 32,903 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 87,947 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 31,971 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 129,469 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,102 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 44,743 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 62,406 |
| Countries by Wealth per Capita | 0 | - | 4.63 | 77,829 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 101,157 |
| Countries with the Lowest Murder Rate | 0 | - | 4.61 | 76,125 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,331,941 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,487 |
| Countries with Megacities | 0 | - | 4.99 | 228,498 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,624 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,997 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,394 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,638 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 313,869 |
| Countries by Official Language | 0 | - | 4.95 | 189,777 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 289,550 |
| Countries in their Native Language | 0 | - | 4.99 | 193,763 |
| Independence from Whom | 0 | - | 4.99 | 206,293 |
| Subdivisions by Country | 0 | - | 4.86 | 49,563 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 128,205 |
| Megadiverse Countries | 0 | - | 4.97 | 132,970 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 127,502 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,368 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,794 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,461 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 50,025 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 159,377 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,150 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 90,867 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 151,956 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 94,127 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,306 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 72,947 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 106,238 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,720 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,818 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,913 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,152 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 105,128 |
| World Map Quiz | 0 | - | 4.84 | 61,582 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 146,899 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 104,668 |
| Countries with Double Letters | 0 | - | 4.96 | 89,618 |
| Countries that End in N | 0 | - | 4.93 | 152,742 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 254,305 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 206,835 |
| Countries with W | 0 | - | 4.97 | 155,130 |
| Countries with Z | 0 | - | 4.98 | 283,236 |
| Countries with Letters Missing | 0 | - | 4.97 | 181,693 |
| Countries That End in U | 0 | - | 4.95 | 117,696 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 105,963 |
| Countries that End in O | 0 | - | 4.92 | 157,038 |
| Countries that End in R | 0 | - | 4.84 | 101,654 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,989 |
| Countries Ending in "IA" | 0 | - | 4.99 | 204,311 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 167,264 |
| Countries by Last Two Letters | 0 | - | 4.87 | 133,206 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 139,141 |
| Countries That End in Y | 0 | - | 4.91 | 184,114 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 194,213 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 149,874 |
| Countries that End in I | 0 | - | 4.93 | 118,848 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 180,017 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 94,258 |
| Countries That End in NIA | 0 | - | 4.92 | 107,858 |
| Countries That End in BIA | 0 | - | 4.92 | 146,232 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 164,281 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 117,187 |
| Countries That End in RIA | 0 | - | 4.92 | 124,877 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 108,640 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 221,960 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 130,736 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 122,959 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 88,567 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 73,050 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 50,912 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 101,070 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 122,961 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 47,997 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 51,103 |
| Countries that End in L | 0 | - | 4.94 | 154,362 |
| "Land" Countries | 0 | - | 4.98 | 304,099 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 203,561 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,596 |
| City to Country Quiz #1 | 0 | - | 4.97 | 153,728 |
| City to Country Quiz #3 | 0 | - | 4.88 | 107,698 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 77,402 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 224,899 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 196,836 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 124,384 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 160,245 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 220,493 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,834 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,937 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 107,248 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 85,735 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 61,232 |
| One Border Countries | 0 | - | 4.98 | 455,383 |
