| Islands by Country #1 | 0 | - | 4.88 | 174,954 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,254 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,600 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,562 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,904 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,608,955 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,686 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,454 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,993 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,917 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,033 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,239,557 |
| Landlocked Countries | 0 | - | 4.99 | 417,565 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,096,180 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,479 |
| Countries with Four Letters | 0 | - | 4.99 | 420,987 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,998 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,748,019 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,350 |
| Himalayan Countries | 0 | - | 4.94 | 136,871 |
| Andean Countries | 0 | - | 4.95 | 83,655 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,916 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,241 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,585 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,172 |
| Danube Countries | 0 | - | 4.97 | 71,519 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,351 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,933 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,380 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,438 |
| European Landlocked Countries | 0 | - | 4.99 | 146,234 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,938 |
| Countries with the Most Species | 0 | - | 4.99 | 102,586 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,061 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,373 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,546 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,239 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,222 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,488 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,881 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,264 |
| Countries in the Alps | 0 | - | 4.86 | 117,480 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,998 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,107 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,333 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,836 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,938 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,354 |
| Country Chain | 0 | - | 4.96 | 216,602 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,113 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,074 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,882 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,423 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,416 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,263 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,823 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,086 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,097 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,928 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,967 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,492 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,357 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,598 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,873 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,898 |
| Largest Countries By Category | 0 | - | 4.97 | 157,428 |
| Countries by Emojis | 0 | - | 4.99 | 238,188 |
| Countries by Countries | 0 | - | 4.96 | 62,709 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,548 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,213 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,005 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,118 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,194 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,482 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,097 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,794 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,565 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,507 |
| Name a Valid Country #5 | 0 | - | 4.99 | 205,775 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,623 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 717,559 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,873 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,234 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,407 |
| Island Countries | 0 | - | 4.99 | 709,228 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,609 |
| Northernmost Countries | 0 | - | 4.99 | 359,899 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,013 |
| Mountains by Country | 0 | - | 4.56 | 81,687 |
| Islands by Country #2 | 0 | - | 4.80 | 77,258 |
| Countries of South America | 0 | - | 5.00 | 921,182 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,865 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,155 |
| "Land" Countries | 0 | - | 4.98 | 335,408 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,402 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,829 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,828 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,556 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,199 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,817 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,340 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,988 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,048 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,136 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,472 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,317 |
| Movies by Country Quiz #1 | 0 | - | 4.17 | 53,309 |
| Movies by Country #2 | 0 | - | 4.20 | 45,691 |
| Random Countries by Borders | 0 | - | 4.99 | 82,150 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,384 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,598 |
| Countries with Megacities | 0 | - | 4.99 | 249,613 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,439 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,737 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,783 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,699 |
| Countries by Official Language | 0 | - | 4.95 | 194,390 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,206 |
| Countries in their Native Language | 0 | - | 4.99 | 197,957 |
| Independence from Whom | 0 | - | 4.99 | 211,055 |
| Subdivisions by Country | 0 | - | 4.86 | 50,239 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,509 |
| Megadiverse Countries | 0 | - | 4.96 | 134,673 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,093 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,131 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,686 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,976 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,556 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,292 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,771 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,690 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,431 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,826 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,571 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,640 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,736 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,703 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,918 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,266 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,838 |
| World Map Quiz | 0 | - | 4.81 | 64,293 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,905 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,867 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,255 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,791 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,513 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,997 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,387 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,569 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,723 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,194 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,186 |
| Widest Countries East to West | 0 | - | 4.92 | 129,250 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,351 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,786 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,963 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,415 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,081 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,440 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,175 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,703 |
| Countries with Double Letters | 0 | - | 4.97 | 94,763 |
| Countries that End in N | 0 | - | 4.95 | 169,196 |
| Countries with Five Letters | 0 | - | 4.96 | 276,503 |
| Countries with Six Letters | 0 | - | 4.94 | 212,094 |
| Countries with W | 0 | - | 4.97 | 159,277 |
| Countries with Z | 0 | - | 4.98 | 289,441 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,480 |
| Countries That End in U | 0 | - | 4.95 | 120,276 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,501 |
| Countries that End in O | 0 | - | 4.92 | 159,085 |
| Countries that End in R | 0 | - | 4.87 | 118,644 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,424 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,072 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,941 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,960 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,549 |
| Countries That End in Y | 0 | - | 4.90 | 185,563 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,039 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,261 |
| Countries that End in I | 0 | - | 4.94 | 134,766 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,866 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,493 |
| Countries That End in NIA | 0 | - | 4.92 | 109,414 |
| Countries That End in BIA | 0 | - | 4.93 | 148,704 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,566 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,919 |
| Countries That End in RIA | 0 | - | 4.93 | 126,433 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,509 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,359 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,029 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,367 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,977 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,243 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,569 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,106 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,993 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,123 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,683 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,365 |
