| One Border Countries | 0 | - | 4.98 | 407,259 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,366,231 |
| Countries by Borders #1 | 0 | - | 5.00 | 175,886 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 284,069 |
| Longest Border by Country #1 | 0 | - | 4.99 | 134,799 |
| Largest Countries with No Borders | 0 | - | 4.97 | 180,285 |
| Countries with Two Borders | 0 | - | 4.99 | 127,333 |
| Countries by Borders #2 | 0 | - | 4.96 | 117,991 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 119,204 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 119,594 |
| Largest Countries Bordering Each Other | 0 | - | 4.98 | 96,348 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.95 | 78,464 |
| Countries by Borders #3 | 0 | - | 4.98 | 90,024 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 72,602 |
| Longest Border by Country #2 | 0 | - | 4.96 | 113,190 |
| Countries with the Most Borders | 0 | - | 4.97 | 358,103 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 29,756 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,360 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,871 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,646 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 92,802 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,615 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 81,366 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 116,075 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 47,482 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 68,866 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,429 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,929 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,573,612 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 319,015 |
| Smallest Countries Bordering Each Other | 0 | - | 4.66 | 83,682 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,031,396 |
| Countries on the Equator | 0 | - | 4.83 | 133,389 |
| Members of the Arab League | 0 | - | 4.83 | 59,888 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,568 |
| Himalayan Countries | 0 | - | 4.95 | 102,949 |
| Andean Countries | 0 | - | 4.90 | 57,221 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 58,063 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,688 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,044 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,651 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,846 |
| Danube Countries | 0 | - | 4.97 | 56,413 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,453 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,648 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,552 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,918 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,557 |
| European Landlocked Countries | 0 | - | 4.99 | 114,903 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,898 |
| Countries with the Most Species | 0 | - | 4.99 | 89,119 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,958 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,501 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,859 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,860 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,184 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,506 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,785 |
| Countries in the Alps | 0 | - | 4.83 | 102,016 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,808 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,093 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,215 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,845 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,503 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,171 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,190 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,849 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,120 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,273 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,020 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,389 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,475 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,084 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,600 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,089 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,921 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,038 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,049 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,698 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,751 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,031 |
| Largest Countries By Category | 0 | - | 4.96 | 144,099 |
| Countries by Countries | 0 | - | 4.96 | 54,221 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,559 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 339,100 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,611 |
| Island Countries Quiz | 0 | - | 4.99 | 639,731 |
| Biggest Countries by Area | 0 | - | 5.00 | 926,704 |
| Northernmost Countries | 0 | - | 4.99 | 325,726 |
| Countries of South America | 0 | - | 5.00 | 785,693 |
| Countries of Oceania | 0 | - | 5.00 | 884,690 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,118,960 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,556,613 |
| Which Country Does Not Border... | 0 | - | 4.79 | 85,329 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 68,727 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 70,026 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 89,231 |
| Countries Bordering Two or More Oceans | 0 | - | 4.20 | 109,264 |
| Borders of One Border Countries | 0 | - | 4.17 | 67,842 |
| Random Countries by Borders | 0 | - | 4.99 | 65,988 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,509 |
| Countries with Megacities | 0 | - | 4.99 | 195,274 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,913 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 97,084 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,007 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,947 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,731 |
| Countries by Official Language | 0 | - | 4.95 | 153,749 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 247,298 |
| Countries in their Native Language | 0 | - | 4.98 | 177,259 |
| Independence from Whom | 0 | - | 4.99 | 184,158 |
| Subdivisions by Country | 0 | - | 4.82 | 46,253 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,558 |
| Megadiverse Countries | 0 | - | 4.96 | 124,894 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,255 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,125 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,177 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,292 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,845 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,121 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,612 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,139 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,193 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,921 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,600 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,544 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,141 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,861 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,665 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,646 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,300 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,271 |
| Countries With the Most Languages | 0 | - | 4.90 | 172,024 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 86,697 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 71,030 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,671 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,432 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,980 |
| Widest Countries East to West | 0 | - | 4.93 | 118,856 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,723 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,096 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,179 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,936 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,276 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,679 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,307 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,906 |
| Countries with Double Letters | 0 | - | 4.96 | 67,334 |
| Countries that End in N | 0 | - | 4.93 | 131,786 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 228,519 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,061 |
| Countries with W | 0 | - | 4.97 | 121,988 |
| Countries with Z | 0 | - | 4.98 | 243,201 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,879 |
| Countries That End in U | 0 | - | 4.94 | 107,185 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,633 |
| Countries that End in O | 0 | - | 4.92 | 146,557 |
| Countries that End in R | 0 | - | 4.86 | 96,236 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,979 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,312 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,088 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,762 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 128,704 |
| Countries That End in Y | 0 | - | 4.90 | 161,367 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,895 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,065 |
| Countries that End in I | 0 | - | 4.92 | 114,250 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,710 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,944 |
| Countries That End in NIA | 0 | - | 4.93 | 100,458 |
| Countries That End in BIA | 0 | - | 4.91 | 125,523 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,574 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,225 |
| Countries That End in RIA | 0 | - | 4.89 | 100,579 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,920 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 199,207 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,914 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 109,740 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,609 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,698 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,500 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,997 |
| Countries that End in L | 0 | - | 4.95 | 133,538 |
| "Land" Countries | 0 | - | 4.98 | 288,225 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,018 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,101 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,896 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,867 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,218 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 206,706 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 163,041 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 115,908 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 131,932 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 192,405 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,223 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,577 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,757 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,004 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,687 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,304,448 |
