| Country Chain | 0 | - | 4.96 | 217,457 |
| Random Countries by Borders | 0 | - | 4.99 | 82,662 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,633,337 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 384,928 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,601,037 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,760 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,585 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,417 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,958 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,815 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,165 |
| Countries with Four Letters | 0 | - | 4.99 | 423,391 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,019 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,940 |
| Landlocked Countries | 0 | - | 4.99 | 422,193 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,890 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,713 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,752 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,169 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,345 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,507 |
| Capital Cities Chain | 0 | - | 4.84 | 82,966 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,092 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,385 |
| Countries by Emojis | 0 | - | 4.99 | 240,469 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,123 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,799 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,052 |
| Islands by Country #1 | 0 | - | 4.90 | 175,496 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,656 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,049 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,820 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,326 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,437 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,694 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,331 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,526 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,690 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,691 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,989 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 722,904 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,431 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,597 |
| Himalayan Countries | 0 | - | 4.95 | 138,845 |
| Andean Countries | 0 | - | 4.93 | 84,675 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,875 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,916 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,507 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,851 |
| Danube Countries | 0 | - | 4.97 | 72,042 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,055 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,452 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,361 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,847 |
| European Landlocked Countries | 0 | - | 4.99 | 147,171 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,687 |
| Countries with the Most Species | 0 | - | 4.99 | 103,267 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,812 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,607 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,732 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,562 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,250 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,688 |
| Countries in the Alps | 0 | - | 4.87 | 118,240 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,257 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,073 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,676 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,621 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,545 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,965 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,699 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,516 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,196 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,874 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,668 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,541 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,243 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,498 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,548 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,965 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,332 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,072 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,124 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,054 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,189 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,253 |
| Largest Countries By Category | 0 | - | 4.97 | 158,253 |
| Countries by Countries | 0 | - | 4.96 | 63,260 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,715 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,297 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,693 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,755 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,574 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,476 |
| Island Countries | 0 | - | 4.99 | 711,129 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,158 |
| Northernmost Countries | 0 | - | 4.99 | 362,062 |
| Countries of South America | 0 | - | 5.00 | 927,669 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,388 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,027 |
| "Land" Countries | 0 | - | 4.98 | 337,406 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,531 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,950 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,190 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,363 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,282 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,867 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,613 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,273 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,953 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,351 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,725 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,638 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,657 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,151 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,215 |
| European Countries with One Border | 0 | - | 4.97 | 183,132 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,905 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,455 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 240,755 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,958 |
| Countries with Megacities | 0 | - | 4.99 | 264,686 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,791 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,500 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,056 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,576 |
| Countries by Official Language | 0 | - | 4.95 | 195,298 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,437 |
| Countries in their Native Language | 0 | - | 4.99 | 199,085 |
| Independence from Whom | 0 | - | 4.99 | 212,154 |
| Subdivisions by Country | 0 | - | 4.86 | 50,438 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,769 |
| Megadiverse Countries | 0 | - | 4.96 | 135,033 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,133 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,373 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,247 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,116 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,166 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,608 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,505 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,048 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,671 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,154 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,711 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,899 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,219 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,981 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,365 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,507 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,249 |
| World Map Quiz | 0 | - | 4.81 | 65,131 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,665 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,404 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,372 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,133 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,307 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,018 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,270 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,918 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,029 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,321 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,456 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,587 |
| Widest Countries East to West | 0 | - | 4.92 | 129,668 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,462 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,401 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,127 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,782 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,615 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,885 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,380 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,802 |
| Countries with Double Letters | 0 | - | 4.96 | 96,275 |
| Countries that End in N | 0 | - | 4.95 | 171,161 |
| Countries with Five Letters | 0 | - | 4.96 | 282,559 |
| Countries with Six Letters | 0 | - | 4.94 | 213,598 |
| Countries with W | 0 | - | 4.97 | 160,351 |
| Countries with Z | 0 | - | 4.98 | 291,506 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,729 |
| Countries That End in U | 0 | - | 4.95 | 120,864 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,492 |
| Countries that End in O | 0 | - | 4.92 | 159,518 |
| Countries that End in R | 0 | - | 4.87 | 118,975 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,738 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,138 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,709 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,483 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,410 |
| Countries That End in Y | 0 | - | 4.91 | 185,884 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,946 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,872 |
| Countries that End in I | 0 | - | 4.94 | 135,105 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,132 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,827 |
| Countries That End in NIA | 0 | - | 4.92 | 109,795 |
| Countries That End in BIA | 0 | - | 4.93 | 149,223 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,135 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,439 |
| Countries That End in RIA | 0 | - | 4.93 | 126,814 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,032 |
