| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,470 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,530 |
| One Border Countries | 0 | - | 4.98 | 470,933 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,841,845 |
| Landlocked Countries | 0 | - | 4.99 | 423,795 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,729,826 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,849 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 313,546 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,588 |
| Largest Countries with No Borders | 0 | - | 4.97 | 222,011 |
| Countries with Two Borders | 0 | - | 4.99 | 150,234 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,659 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,350 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,579 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,674 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,810 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,285 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,828 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,818 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,366 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,828 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,330 |
| Himalayan Countries | 0 | - | 4.94 | 139,503 |
| Andean Countries | 0 | - | 4.94 | 85,045 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,240 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,440 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,795 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,110 |
| Danube Countries | 0 | - | 4.97 | 72,206 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,299 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,619 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,703 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,206 |
| European Landlocked Countries | 0 | - | 4.99 | 147,372 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,972 |
| Countries with the Most Species | 0 | - | 4.99 | 103,417 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,109 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,680 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,792 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,691 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,437 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,850 |
| Countries in the Alps | 0 | - | 4.87 | 118,485 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,066 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,439 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,810 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,811 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,741 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,097 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,915 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,666 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,293 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,017 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,760 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,629 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,384 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,637 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,721 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,369 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,475 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,213 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,347 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,899 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,651 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,379 |
| Largest Countries By Category | 0 | - | 4.97 | 158,541 |
| Countries by Countries | 0 | - | 4.96 | 63,435 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,002 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,348 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,898 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,791,893 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,812 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,023 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,412 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,545 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,685 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,234 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,958 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,070 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,573 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,204 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,091 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,516 |
| Island Countries | 0 | - | 4.99 | 711,748 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,395 |
| Northernmost Countries | 0 | - | 4.99 | 363,054 |
| Countries of South America | 0 | - | 5.00 | 929,938 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,208 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,223 |
| "Land" Countries | 0 | - | 4.98 | 337,874 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,670 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,438 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,432 |
| Countries with Megacities | 0 | - | 4.99 | 265,844 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,230 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,750 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,489 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,839 |
| Countries by Official Language | 0 | - | 4.95 | 195,630 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,038 |
| Countries in their Native Language | 0 | - | 4.99 | 199,409 |
| Independence from Whom | 0 | - | 4.99 | 212,553 |
| Subdivisions by Country | 0 | - | 4.87 | 50,529 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,068 |
| Megadiverse Countries | 0 | - | 4.96 | 135,154 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,433 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,459 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,339 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,162 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,372 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,697 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,734 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,747 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,206 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,086 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,199 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,327 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,057 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,474 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,599 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,817 |
| World Map Quiz | 0 | - | 4.81 | 65,379 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,258 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,642 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,666 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,323 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,948 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,187 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,307 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,524 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,581 |
| Tallest Countries North to South | 0 | - | 4.85 | 128,730 |
| Widest Countries East to West | 0 | - | 4.92 | 130,175 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,528 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,019 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,439 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,929 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,803 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,080 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,447 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,851 |
| Countries with Double Letters | 0 | - | 4.96 | 96,671 |
| Countries that End in N | 0 | - | 4.95 | 171,555 |
| Countries with Five Letters | 0 | - | 4.96 | 283,201 |
| Countries with Six Letters | 0 | - | 4.94 | 214,019 |
| Countries with W | 0 | - | 4.96 | 160,637 |
| Countries with Z | 0 | - | 4.98 | 291,952 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,000 |
| Countries That End in U | 0 | - | 4.95 | 121,016 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,786 |
| Countries that End in O | 0 | - | 4.92 | 159,669 |
| Countries that End in R | 0 | - | 4.87 | 119,071 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,830 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,464 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,932 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,650 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,573 |
| Countries That End in Y | 0 | - | 4.91 | 185,995 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,187 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,071 |
| Countries that End in I | 0 | - | 4.94 | 135,213 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,372 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,930 |
| Countries That End in NIA | 0 | - | 4.92 | 109,920 |
| Countries That End in BIA | 0 | - | 4.93 | 149,399 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,335 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,614 |
| Countries That End in RIA | 0 | - | 4.93 | 126,936 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,215 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,090 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,953 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,391 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,928 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,689 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,186 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,490 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,720 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,546 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,516 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,197 |
| Countries that End in L | 0 | - | 4.94 | 156,994 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,705 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,305 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,243 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,570 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,190 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,813 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,151 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,081 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,131 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,110 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,914 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,298 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,053 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,726 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,050 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,171 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,759 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,117 |
| Random Countries by Borders | 0 | - | 4.99 | 82,846 |
