| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,907 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,150 |
| One Border Countries | 0 | - | 4.98 | 468,344 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,826,998 |
| Landlocked Countries | 0 | - | 4.99 | 419,967 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,419,730 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,433 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,583 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,205 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,330 |
| Countries with Two Borders | 0 | - | 4.99 | 149,766 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,313 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,997 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,881 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,313 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,589 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,053 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,738 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,735 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,111 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,284 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,459 |
| Himalayan Countries | 0 | - | 4.95 | 137,888 |
| Andean Countries | 0 | - | 4.95 | 84,154 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,372 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,942 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,020 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,473 |
| Danube Countries | 0 | - | 4.97 | 71,767 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,704 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,164 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,855 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,938 |
| European Landlocked Countries | 0 | - | 4.99 | 146,898 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,287 |
| Countries with the Most Species | 0 | - | 4.99 | 103,038 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,440 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,468 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,636 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,398 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,077 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,466 |
| Countries in the Alps | 0 | - | 4.87 | 117,880 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 96,819 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,598 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,502 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,383 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,242 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,800 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,404 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,281 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,041 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,647 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,543 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,387 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,012 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,302 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,308 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,433 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,137 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,640 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,710 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,923 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,523 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,063 |
| Largest Countries By Category | 0 | - | 4.97 | 157,840 |
| Countries by Countries | 0 | - | 4.97 | 62,951 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,382 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,186 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,448 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,091 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,579 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,384 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,841 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,100 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,277 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,801 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,565 |
| Bordering Countries by HDI Difference | 0 | - | 4.88 | 51,908 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,099 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,895 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,899 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,936 |
| Island Countries | 0 | - | 4.99 | 710,192 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,264 |
| Northernmost Countries | 0 | - | 4.99 | 360,998 |
| Countries of South America | 0 | - | 5.00 | 924,389 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,242 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,279 |
| "Land" Countries | 0 | - | 4.98 | 336,070 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,383 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,295 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,341 |
| Countries with Megacities | 0 | - | 4.99 | 262,852 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,180 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,158 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,478 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,208 |
| Countries by Official Language | 0 | - | 4.95 | 194,846 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,815 |
| Countries in their Native Language | 0 | - | 4.99 | 198,385 |
| Independence from Whom | 0 | - | 4.99 | 211,604 |
| Subdivisions by Country | 0 | - | 4.86 | 50,339 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,902 |
| Megadiverse Countries | 0 | - | 4.96 | 134,844 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,720 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,235 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,808 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,047 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,849 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,452 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,136 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,542 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,028 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,254 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,774 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,058 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,841 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,226 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,393 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,513 |
| World Map Quiz | 0 | - | 4.81 | 64,790 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,153 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,699 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,051 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,771 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,646 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,650 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,790 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,924 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,333 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,387 |
| Widest Countries East to West | 0 | - | 4.92 | 129,458 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,407 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,108 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,040 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,601 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,347 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,660 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,291 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,751 |
| Countries with Double Letters | 0 | - | 4.97 | 95,306 |
| Countries that End in N | 0 | - | 4.95 | 170,330 |
| Countries with Five Letters | 0 | - | 4.96 | 281,133 |
| Countries with Six Letters | 0 | - | 4.94 | 212,744 |
| Countries with W | 0 | - | 4.97 | 159,662 |
| Countries with Z | 0 | - | 4.98 | 290,539 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,928 |
| Countries That End in U | 0 | - | 4.95 | 120,491 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,936 |
| Countries that End in O | 0 | - | 4.92 | 159,269 |
| Countries that End in R | 0 | - | 4.87 | 118,791 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,558 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,538 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,285 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,193 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,791 |
| Countries That End in Y | 0 | - | 4.91 | 185,698 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,469 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,561 |
| Countries that End in I | 0 | - | 4.94 | 134,928 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,667 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,642 |
| Countries That End in NIA | 0 | - | 4.92 | 109,593 |
| Countries That End in BIA | 0 | - | 4.93 | 148,950 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,851 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,173 |
| Countries That End in RIA | 0 | - | 4.93 | 126,609 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,745 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,994 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,369 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,752 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,290 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,395 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,765 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,343 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,253 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,262 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,945 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,673 |
| Countries that End in L | 0 | - | 4.94 | 156,624 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,580 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,179 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,043 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,329 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,931 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,551 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,899 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,802 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,856 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,988 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,337 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,759 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,269 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,768 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,664 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,001 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,632 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,742 |
| Random Countries by Borders | 0 | - | 4.99 | 82,391 |
