| Biggest Countries by Area | 0 | - | 5.00 | 1,049,700 |
| Northernmost Countries | 0 | - | 4.99 | 361,898 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,062 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,265 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,983 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,154 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,876 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,997 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,287 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,434 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,562 |
| Widest Countries East to West | 0 | - | 4.92 | 129,629 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,448 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,362 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,116 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,759 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,585 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,855 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,370 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,796 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,971 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,914 |
| Landlocked Countries | 0 | - | 4.99 | 421,831 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,123 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,572,228 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,812 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,647 |
| Countries Producing the Most Oranges | 0 | - | 4.81 | 51,661 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,735 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,846 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 208,111 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,022 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,379 |
| Himalayan Countries | 0 | - | 4.95 | 138,652 |
| Andean Countries | 0 | - | 4.93 | 84,573 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,765 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,768 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,397 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,784 |
| Danube Countries | 0 | - | 4.97 | 71,994 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,996 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,410 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,272 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,753 |
| European Landlocked Countries | 0 | - | 4.99 | 147,130 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,615 |
| Countries with the Most Species | 0 | - | 4.99 | 103,227 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,736 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,580 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,717 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,531 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,215 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,645 |
| Countries in the Alps | 0 | - | 4.87 | 118,187 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,025 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,007 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,633 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,585 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,495 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,939 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,660 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,475 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,171 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,829 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,644 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,516 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,212 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,455 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,504 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,865 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,294 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,585 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,055 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,865 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,060 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,214 |
| Largest Countries By Category | 0 | - | 4.97 | 158,193 |
| Countries by Countries | 0 | - | 4.96 | 63,203 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,665 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,279 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,668 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,777,793 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 18,147 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,201 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,163 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,327 |
| Coldest Countries | 0 | - | 4.97 | 138,679 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,747 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,584 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,018 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,632 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,817 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,475 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,466 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,115 |
| Island Countries | 0 | - | 4.99 | 710,997 |
| Countries of South America | 0 | - | 5.00 | 927,192 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,643 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,855 |
| "Land" Countries | 0 | - | 4.98 | 337,296 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 190,149 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,242 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 89,294 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,498 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 131,590 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,437 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 45,063 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,360 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 79,327 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 102,897 |
| Countries with the Lowest Murder Rate | 0 | - | 4.62 | 77,721 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,311 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,846 |
| Countries with Megacities | 0 | - | 4.99 | 264,468 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,708 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,454 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,970 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,518 |
| Countries by Official Language | 0 | - | 4.95 | 195,226 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,326 |
| Countries in their Native Language | 0 | - | 4.99 | 199,014 |
| Independence from Whom | 0 | - | 4.99 | 212,058 |
| Subdivisions by Country | 0 | - | 4.86 | 50,425 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,702 |
| Megadiverse Countries | 0 | - | 4.96 | 135,001 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,055 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,342 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,229 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,096 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,124 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,588 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,452 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,024 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,647 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,140 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,653 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,867 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,195 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,954 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,341 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,484 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,147 |
| World Map Quiz | 0 | - | 4.81 | 65,059 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,222 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,342 |
| Countries with Double Letters | 0 | - | 4.96 | 96,200 |
| Countries that End in N | 0 | - | 4.95 | 171,077 |
| Countries with Five Letters | 0 | - | 4.96 | 282,383 |
| Countries with Six Letters | 0 | - | 4.94 | 213,503 |
| Countries with W | 0 | - | 4.97 | 160,297 |
| Countries with Z | 0 | - | 4.98 | 291,402 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,670 |
| Countries That End in U | 0 | - | 4.95 | 120,833 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,425 |
| Countries that End in O | 0 | - | 4.92 | 159,495 |
| Countries that End in R | 0 | - | 4.87 | 118,958 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,713 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,050 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,671 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,455 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,369 |
| Countries That End in Y | 0 | - | 4.91 | 185,859 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,884 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,830 |
| Countries that End in I | 0 | - | 4.94 | 135,079 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,068 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,810 |
| Countries That End in NIA | 0 | - | 4.92 | 109,769 |
| Countries That End in BIA | 0 | - | 4.93 | 149,177 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,091 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,404 |
| Countries That End in RIA | 0 | - | 4.93 | 126,796 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,002 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,547 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,674 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,084 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,636 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,563 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,005 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,437 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,507 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,405 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,263 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,962 |
| Countries that End in L | 0 | - | 4.94 | 156,820 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,656 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,258 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,007 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,942 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,981 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,712 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,627 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,975 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,516 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,402 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,845 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,089 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,701 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,863 |
| One Border Countries | 0 | - | 4.98 | 469,800 |
