| Biggest Countries by Area | 0 | - | 4.99 | 1,042,797 |
| Northernmost Countries | 0 | - | 4.99 | 359,132 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,976 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,617 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,339 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,575 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,218 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,406 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,587 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,605 |
| Widest Countries East to West | 0 | - | 4.92 | 129,101 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,315 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,590 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,856 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,921 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,938 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,315 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,004 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,659 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,253 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,668 |
| Landlocked Countries | 0 | - | 4.99 | 416,185 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,265 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,126,491 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,233 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,353 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,902 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,481 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 207,526 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,911 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,704 |
| Himalayan Countries | 0 | - | 4.95 | 136,306 |
| Andean Countries | 0 | - | 4.95 | 83,374 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,639 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,861 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,336 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,945 |
| Danube Countries | 0 | - | 4.97 | 71,347 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,131 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,804 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,058 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,005 |
| European Landlocked Countries | 0 | - | 4.99 | 146,068 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,682 |
| Countries with the Most Species | 0 | - | 4.99 | 99,167 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,830 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,309 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,483 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,124 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,775 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,145 |
| Countries in the Alps | 0 | - | 4.86 | 117,273 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,857 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,786 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,217 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,683 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,687 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,214 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,931 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,963 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,762 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,294 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,335 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,187 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,684 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,954 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,962 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,624 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,861 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,394 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,146 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,728 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,450 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,788 |
| Largest Countries By Category | 0 | - | 4.97 | 157,196 |
| Countries by Countries | 0 | - | 4.96 | 62,550 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,812 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,065 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,040 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,340 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 17,992 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,913 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,462 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,511 |
| Coldest Countries | 0 | - | 4.97 | 138,031 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,384 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,921 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,403 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,292 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,484 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,471 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,613 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,407 |
| Island Countries | 0 | - | 4.99 | 708,654 |
| Countries of South America | 0 | - | 5.00 | 919,039 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,835 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,150 |
| "Land" Countries | 0 | - | 4.98 | 334,309 |
| Lowest Fertility Countries | 0 | - | 4.41 | 97,452 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 189,275 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,153 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 88,880 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,362 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 131,076 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,355 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 44,956 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,092 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 78,909 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 102,462 |
| Countries with the Lowest Murder Rate | 0 | - | 4.63 | 77,265 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,308 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,153 |
| Countries with Megacities | 0 | - | 4.99 | 248,681 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,015 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,474 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,388 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,426 |
| Countries by Official Language | 0 | - | 4.95 | 193,860 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,334 |
| Countries in their Native Language | 0 | - | 4.99 | 197,496 |
| Independence from Whom | 0 | - | 4.99 | 210,429 |
| Subdivisions by Country | 0 | - | 4.86 | 50,176 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,241 |
| Megadiverse Countries | 0 | - | 4.96 | 134,507 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,701 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,060 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,608 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,321 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,182 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,492 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,512 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,344 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,797 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,099 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,560 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,658 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,628 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,831 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,179 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,397 |
| World Map Quiz | 0 | - | 4.81 | 63,979 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,125 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,658 |
| Countries with Double Letters | 0 | - | 4.96 | 93,834 |
| Countries that End in N | 0 | - | 4.94 | 157,275 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,235 |
| Countries with Six Letters | 0 | - | 4.93 | 210,862 |
| Countries with W | 0 | - | 4.97 | 158,529 |
| Countries with Z | 0 | - | 4.98 | 288,422 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,868 |
| Countries That End in U | 0 | - | 4.95 | 119,670 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,030 |
| Countries that End in O | 0 | - | 4.92 | 158,709 |
| Countries that End in R | 0 | - | 4.87 | 118,421 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,975 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,593 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,651 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,735 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,301 |
| Countries That End in Y | 0 | - | 4.90 | 185,331 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,752 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,010 |
| Countries that End in I | 0 | - | 4.94 | 134,604 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,610 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,369 |
| Countries That End in NIA | 0 | - | 4.92 | 109,237 |
| Countries That End in BIA | 0 | - | 4.93 | 148,472 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,359 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,712 |
| Countries That End in RIA | 0 | - | 4.93 | 126,271 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,264 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,959 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,785 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,142 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,689 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,087 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,370 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,888 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,782 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,950 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,451 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,113 |
| Countries that End in L | 0 | - | 4.94 | 156,217 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,636 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,040 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,690 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,523 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,588 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,218 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,750 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,189 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,772 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,185 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,008 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,856 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,275 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,493 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,482 |
| One Border Countries | 0 | - | 4.98 | 466,190 |
