| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,834 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,019 |
| One Border Countries | 0 | - | 4.98 | 467,608 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,822,138 |
| Landlocked Countries | 0 | - | 4.99 | 418,796 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,324,819 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,286 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,242 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,879 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,114 |
| Countries with Two Borders | 0 | - | 4.99 | 149,655 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,204 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,881 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,745 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,190 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,513 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,964 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,719 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,711 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,986 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,874 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,943 |
| Himalayan Countries | 0 | - | 4.94 | 137,367 |
| Andean Countries | 0 | - | 4.95 | 83,907 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,203 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,611 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,814 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,335 |
| Danube Countries | 0 | - | 4.97 | 71,641 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,526 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,042 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,614 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,698 |
| European Landlocked Countries | 0 | - | 4.99 | 146,757 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,109 |
| Countries with the Most Species | 0 | - | 4.99 | 102,892 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,245 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,428 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,583 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,291 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,975 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,349 |
| Countries in the Alps | 0 | - | 4.87 | 117,662 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,115 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,334 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,400 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,965 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,073 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,445 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,260 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,172 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,958 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,539 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,468 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,333 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,908 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,179 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,198 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,146 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,053 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,562 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,502 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,298 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,192 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,987 |
| Largest Countries By Category | 0 | - | 4.97 | 157,614 |
| Countries by Countries | 0 | - | 4.96 | 62,824 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,187 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,155 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,308 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,971 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,494 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,201 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,694 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,965 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,148 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,694 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,461 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,857 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,937 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,838 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,559 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,016 |
| Island Countries | 0 | - | 4.99 | 709,687 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,891 |
| Northernmost Countries | 0 | - | 4.99 | 360,396 |
| Countries of South America | 0 | - | 5.00 | 922,712 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,779 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,925 |
| "Land" Countries | 0 | - | 4.98 | 335,762 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,304 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,412 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,978 |
| Countries with Megacities | 0 | - | 4.99 | 258,822 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,851 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,965 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,134 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,969 |
| Countries by Official Language | 0 | - | 4.95 | 194,612 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,491 |
| Countries in their Native Language | 0 | - | 4.99 | 198,157 |
| Independence from Whom | 0 | - | 4.99 | 211,272 |
| Subdivisions by Country | 0 | - | 4.86 | 50,279 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,677 |
| Megadiverse Countries | 0 | - | 4.96 | 134,756 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,530 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,178 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,741 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,011 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,692 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,369 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,953 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,472 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,984 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,919 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,703 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,983 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,762 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,141 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,316 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,150 |
| World Map Quiz | 0 | - | 4.81 | 64,500 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,542 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,473 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,912 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,627 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,294 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,504 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,664 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,817 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,254 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,273 |
| Widest Countries East to West | 0 | - | 4.92 | 129,353 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,379 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,939 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,988 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,501 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,206 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,531 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,226 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
| Countries with Double Letters | 0 | - | 4.97 | 95,067 |
| Countries that End in N | 0 | - | 4.95 | 169,943 |
| Countries with Five Letters | 0 | - | 4.96 | 280,039 |
| Countries with Six Letters | 0 | - | 4.94 | 212,448 |
| Countries with W | 0 | - | 4.97 | 159,507 |
| Countries with Z | 0 | - | 4.98 | 289,775 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,715 |
| Countries That End in U | 0 | - | 4.95 | 120,402 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,731 |
| Countries that End in O | 0 | - | 4.92 | 159,187 |
| Countries that End in R | 0 | - | 4.87 | 118,727 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,505 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,307 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,089 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,070 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,655 |
| Countries That End in Y | 0 | - | 4.90 | 185,643 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,207 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,406 |
| Countries that End in I | 0 | - | 4.94 | 134,857 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,051 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,567 |
| Countries That End in NIA | 0 | - | 4.92 | 109,504 |
| Countries That End in BIA | 0 | - | 4.93 | 148,832 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,696 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,043 |
| Countries That End in RIA | 0 | - | 4.93 | 126,525 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,609 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,652 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,202 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,557 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,093 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,312 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,671 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,219 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,109 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,187 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,808 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,523 |
| Countries that End in L | 0 | - | 4.94 | 156,534 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,945 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,152 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,978 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,248 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,802 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,432 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,828 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,712 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,760 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,753 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,145 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,601 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,109 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,592 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,575 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,944 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,592 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,651 |
| Random Countries by Borders | 0 | - | 4.99 | 82,272 |
