| Country Chain | 0 | - | 4.96 | 216,982 |
| Random Countries by Borders | 0 | - | 4.99 | 82,366 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,619,266 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,953 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,398,643 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,100,162 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,209 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,478 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,131 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,377 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,208 |
| Countries with Four Letters | 0 | - | 4.99 | 422,040 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,434 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,459 |
| Landlocked Countries | 0 | - | 4.99 | 419,736 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,158 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,549 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,344 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,814 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,080 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,244 |
| Capital Cities Chain | 0 | - | 4.83 | 82,652 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,325 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 180,395 |
| Countries by Emojis | 0 | - | 4.99 | 239,393 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,842 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,309 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,779 |
| Islands by Country #1 | 0 | - | 4.88 | 175,202 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,469 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,808 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,681 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,251 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,412 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,789 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,361 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,430 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,324 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,708 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,215 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,998 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,218 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,333 |
| Himalayan Countries | 0 | - | 4.95 | 137,767 |
| Andean Countries | 0 | - | 4.95 | 84,102 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,340 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,878 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,970 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,449 |
| Danube Countries | 0 | - | 4.97 | 71,744 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,672 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,142 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,808 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,885 |
| European Landlocked Countries | 0 | - | 4.99 | 146,865 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,246 |
| Countries with the Most Species | 0 | - | 4.99 | 103,010 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,405 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,458 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,622 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,374 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,046 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,443 |
| Countries in the Alps | 0 | - | 4.87 | 117,825 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,221 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,550 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,473 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,330 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,212 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,781 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,376 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,262 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,024 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,627 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,524 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,374 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,995 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,262 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,284 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,366 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,119 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,627 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,662 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,764 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,451 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,043 |
| Largest Countries By Category | 0 | - | 4.97 | 157,792 |
| Countries by Countries | 0 | - | 4.96 | 62,929 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,332 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,182 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,417 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,709 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,834 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,792 |
| Island Countries | 0 | - | 4.99 | 710,100 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,986 |
| Northernmost Countries | 0 | - | 4.99 | 360,878 |
| Countries of South America | 0 | - | 5.00 | 924,076 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,721 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,342 |
| "Land" Countries | 0 | - | 4.98 | 335,997 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,364 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,469 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,807 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,102 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,042 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,712 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,403 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,687 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,609 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,147 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,864 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,841 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,036 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,701 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,039 |
| European Countries with One Border | 0 | - | 4.97 | 182,670 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,479 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,901 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 239,550 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,268 |
| Countries with Megacities | 0 | - | 4.99 | 262,475 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,097 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,121 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,399 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,171 |
| Countries by Official Language | 0 | - | 4.95 | 194,803 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,760 |
| Countries in their Native Language | 0 | - | 4.99 | 198,345 |
| Independence from Whom | 0 | - | 4.99 | 211,541 |
| Subdivisions by Country | 0 | - | 4.86 | 50,328 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,857 |
| Megadiverse Countries | 0 | - | 4.96 | 134,827 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,673 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,222 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,794 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,036 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,817 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,435 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,095 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,896 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,531 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,019 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,180 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,764 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,040 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,829 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,207 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,375 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,431 |
| World Map Quiz | 0 | - | 4.81 | 64,735 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,660 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,993 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,123 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,662 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,020 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,752 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,591 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,621 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,769 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,906 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,318 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,356 |
| Widest Countries East to West | 0 | - | 4.92 | 129,444 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,405 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,062 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,032 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,582 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,322 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,638 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,278 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,742 |
| Countries with Double Letters | 0 | - | 4.97 | 95,254 |
| Countries that End in N | 0 | - | 4.95 | 170,260 |
| Countries with Five Letters | 0 | - | 4.96 | 280,997 |
| Countries with Six Letters | 0 | - | 4.94 | 212,692 |
| Countries with W | 0 | - | 4.97 | 159,637 |
| Countries with Z | 0 | - | 4.98 | 290,444 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,879 |
| Countries That End in U | 0 | - | 4.95 | 120,472 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,893 |
| Countries that End in O | 0 | - | 4.92 | 159,250 |
| Countries that End in R | 0 | - | 4.87 | 118,771 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,546 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,489 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,249 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,161 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,769 |
| Countries That End in Y | 0 | - | 4.91 | 185,685 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,425 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,522 |
| Countries that End in I | 0 | - | 4.94 | 134,911 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,586 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,623 |
| Countries That End in NIA | 0 | - | 4.92 | 109,572 |
| Countries That End in BIA | 0 | - | 4.93 | 148,919 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,820 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,143 |
| Countries That End in RIA | 0 | - | 4.93 | 126,593 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,730 |
