| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,988 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,275 |
| One Border Countries | 0 | - | 4.98 | 469,424 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,832,044 |
| Landlocked Countries | 0 | - | 4.99 | 421,269 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,526,071 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,574 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,907 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,362 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,557 |
| Countries with Two Borders | 0 | - | 4.99 | 149,888 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,421 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,101 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,995 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,441 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,651 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,134 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,765 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,759 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,216 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,813 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,104 |
| Himalayan Countries | 0 | - | 4.95 | 138,405 |
| Andean Countries | 0 | - | 4.93 | 84,423 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,638 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,586 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,270 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,671 |
| Danube Countries | 0 | - | 4.97 | 71,926 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,910 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,337 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,150 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,607 |
| European Landlocked Countries | 0 | - | 4.99 | 147,057 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,504 |
| Countries with the Most Species | 0 | - | 4.99 | 103,165 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,655 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,545 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,689 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,492 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,171 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,583 |
| Countries in the Alps | 0 | - | 4.87 | 118,085 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,581 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,897 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,599 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,528 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,414 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,890 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,575 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,431 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,133 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,778 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,609 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,468 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,150 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,407 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,446 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,723 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,241 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 61,058 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,940 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,571 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,894 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,164 |
| Largest Countries By Category | 0 | - | 4.97 | 158,078 |
| Countries by Countries | 0 | - | 4.96 | 63,114 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,588 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,252 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,598 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,403 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,661 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,580 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,023 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,258 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,427 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,949 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,695 |
| Bordering Countries by HDI Difference | 0 | - | 4.88 | 51,968 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,252 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,982 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,312 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,774 |
| Island Countries | 0 | - | 4.99 | 710,772 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,932 |
| Northernmost Countries | 0 | - | 4.99 | 361,635 |
| Countries of South America | 0 | - | 5.00 | 926,260 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,505 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,896 |
| "Land" Countries | 0 | - | 4.98 | 337,106 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,479 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,853 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,711 |
| Countries with Megacities | 0 | - | 4.99 | 264,106 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,548 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,378 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,820 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,433 |
| Countries by Official Language | 0 | - | 4.95 | 195,103 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,177 |
| Countries in their Native Language | 0 | - | 4.99 | 198,854 |
| Independence from Whom | 0 | - | 4.99 | 211,922 |
| Subdivisions by Country | 0 | - | 4.86 | 50,397 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,609 |
| Megadiverse Countries | 0 | - | 4.96 | 134,951 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,954 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,307 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,882 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,084 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,021 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,555 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,359 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,607 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,057 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,531 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,838 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,155 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,923 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,308 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,455 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,976 |
| World Map Quiz | 0 | - | 4.81 | 64,991 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,886 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,957 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,192 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,916 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,016 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,816 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,941 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,244 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,400 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,519 |
| Widest Countries East to West | 0 | - | 4.92 | 129,579 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,434 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,295 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,096 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,718 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,509 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,786 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,343 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,785 |
| Countries with Double Letters | 0 | - | 4.96 | 96,040 |
| Countries that End in N | 0 | - | 4.95 | 170,928 |
| Countries with Five Letters | 0 | - | 4.96 | 282,100 |
| Countries with Six Letters | 0 | - | 4.94 | 213,354 |
| Countries with W | 0 | - | 4.97 | 160,176 |
| Countries with Z | 0 | - | 4.98 | 291,231 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,540 |
| Countries That End in U | 0 | - | 4.95 | 120,762 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,307 |
| Countries that End in O | 0 | - | 4.92 | 159,453 |
| Countries that End in R | 0 | - | 4.87 | 118,918 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,679 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,911 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,592 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,399 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,312 |
| Countries That End in Y | 0 | - | 4.91 | 185,828 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,791 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,753 |
| Countries that End in I | 0 | - | 4.94 | 135,044 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,962 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,766 |
| Countries That End in NIA | 0 | - | 4.92 | 109,717 |
| Countries That End in BIA | 0 | - | 4.93 | 149,119 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,013 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,347 |
| Countries That End in RIA | 0 | - | 4.93 | 126,756 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,937 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,372 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,579 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,968 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,547 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,529 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,941 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,423 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,448 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,373 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,188 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,881 |
| Countries that End in L | 0 | - | 4.94 | 156,760 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,337 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,241 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,112 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,410 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 109,006 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,641 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,964 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,898 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,931 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,606 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,557 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,913 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,442 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,319 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,807 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,059 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,683 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,826 |
| Random Countries by Borders | 0 | - | 4.99 | 82,541 |
