| One Border Countries | 0 | - | 4.98 | 468,186 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,825,962 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,211 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,392 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,499 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,955 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,285 |
| Countries with Two Borders | 0 | - | 4.99 | 149,743 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,281 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,964 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,855 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,288 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,571 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,035 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,736 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,730 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,052 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,549 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,345 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,814 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,082 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,246 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,782 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,543 |
| Bordering Countries by HDI Difference | 0 | - | 4.88 | 51,896 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,076 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,896 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,123 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,365 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,399,699 |
| Landlocked Countries | 0 | - | 4.99 | 419,743 |
| Smallest Countries Bordering Each Other | 0 | - | 4.61 | 92,718 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,314 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,336 |
| Himalayan Countries | 0 | - | 4.95 | 137,772 |
| Andean Countries | 0 | - | 4.95 | 84,103 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,341 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,879 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,971 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,449 |
| Danube Countries | 0 | - | 4.97 | 71,746 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,672 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,145 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,811 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,886 |
| European Landlocked Countries | 0 | - | 4.99 | 146,867 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,248 |
| Countries with the Most Species | 0 | - | 4.99 | 103,012 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,405 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,458 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,622 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,376 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,047 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,446 |
| Countries in the Alps | 0 | - | 4.87 | 117,828 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,222 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,553 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,473 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,334 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,214 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,782 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,377 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,262 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,024 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,629 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,526 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,375 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,995 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,263 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,284 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,368 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,120 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,628 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,662 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,766 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,456 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,044 |
| Largest Countries By Category | 0 | - | 4.97 | 157,793 |
| Countries by Countries | 0 | - | 4.96 | 62,930 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,184 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,417 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,717 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,835 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,806 |
| Island Countries | 0 | - | 4.99 | 710,104 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,002 |
| Northernmost Countries | 0 | - | 4.99 | 360,884 |
| Countries of South America | 0 | - | 5.00 | 924,090 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,752 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,380 |
| "Land" Countries | 0 | - | 4.98 | 335,999 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,514 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,707 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,028 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,310 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,915 |
| Countries Bordering Two or More Oceans | 0 | - | 4.22 | 122,673 |
| Borders of One Border Countries | 0 | - | 4.14 | 86,191 |
| Random Countries by Borders | 0 | - | 4.99 | 82,366 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,271 |
| Countries with Megacities | 0 | - | 4.99 | 262,490 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,101 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,124 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,403 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,171 |
| Countries by Official Language | 0 | - | 4.95 | 194,803 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,761 |
| Countries in their Native Language | 0 | - | 4.99 | 198,348 |
| Independence from Whom | 0 | - | 4.99 | 211,544 |
| Subdivisions by Country | 0 | - | 4.86 | 50,328 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,859 |
| Megadiverse Countries | 0 | - | 4.96 | 134,827 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,675 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,222 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,794 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,037 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,817 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,435 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,096 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,531 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,020 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,183 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,764 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,040 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,829 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,207 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,375 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,438 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,663 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,021 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,753 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,592 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,621 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,769 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,906 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,318 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,358 |
| Widest Countries East to West | 0 | - | 4.92 | 129,444 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,406 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,062 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,032 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,584 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,322 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,641 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,280 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,742 |
| Countries with Double Letters | 0 | - | 4.97 | 95,259 |
| Countries that End in N | 0 | - | 4.95 | 170,264 |
| Countries with Five Letters | 0 | - | 4.96 | 281,003 |
| Countries with Six Letters | 0 | - | 4.94 | 212,700 |
| Countries with W | 0 | - | 4.97 | 159,637 |
| Countries with Z | 0 | - | 4.98 | 290,466 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,881 |
| Countries That End in U | 0 | - | 4.95 | 120,473 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,895 |
| Countries that End in O | 0 | - | 4.92 | 159,251 |
| Countries that End in R | 0 | - | 4.87 | 118,771 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,547 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,490 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,252 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,161 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,773 |
| Countries That End in Y | 0 | - | 4.91 | 185,685 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,428 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,523 |
| Countries that End in I | 0 | - | 4.94 | 134,911 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,613 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,624 |
| Countries That End in NIA | 0 | - | 4.92 | 109,572 |
| Countries That End in BIA | 0 | - | 4.93 | 148,919 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,821 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,144 |
| Countries That End in RIA | 0 | - | 4.93 | 126,593 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,730 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,932 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,335 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,715 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,245 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,386 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,744 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,321 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,235 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,245 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,649 |
| Countries that End in L | 0 | - | 4.94 | 156,603 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,442 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,172 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,882 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,783 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,828 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,937 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,308 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,728 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,235 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,728 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,648 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,990 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,617 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,726 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,958 |
