| Islands by Country #1 | 0 | - | 4.87 | 174,952 |
| 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 | 102,903 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,608,916 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,684 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,451 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,991 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,914 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,027 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,239,043 |
| Landlocked Countries | 0 | - | 4.99 | 417,555 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,096,169 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,475 |
| Countries with Four Letters | 0 | - | 4.99 | 420,982 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,998 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,747,973 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,348 |
| Himalayan Countries | 0 | - | 4.95 | 136,870 |
| Andean Countries | 0 | - | 4.95 | 83,654 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,916 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,237 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,585 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,171 |
| Danube Countries | 0 | - | 4.97 | 71,518 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,350 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,933 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,379 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,429 |
| European Landlocked Countries | 0 | - | 4.99 | 146,233 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,936 |
| Countries with the Most Species | 0 | - | 4.99 | 102,584 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,060 |
| 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 | 199,235 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,220 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,487 |
| 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 | 117,479 |
| 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 | 115,937 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,354 |
| Country Chain | 0 | - | 4.96 | 216,602 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,112 |
| 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 | 41,261 |
| 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 | 117,927 |
| 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 | 45,354 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,594 |
| 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 | 157,425 |
| Countries by Emojis | 0 | - | 4.99 | 238,187 |
| 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 | 319,209 |
| 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 | 215,474 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,096 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,788 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,561 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,504 |
| Name a Valid Country #5 | 0 | - | 4.99 | 205,766 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,620 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 717,545 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,864 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,234 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,402 |
| Island Countries | 0 | - | 4.99 | 709,224 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,603 |
| Northernmost Countries | 0 | - | 4.99 | 359,896 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,012 |
| Mountains by Country | 0 | - | 4.56 | 81,687 |
| Islands by Country #2 | 0 | - | 4.80 | 77,257 |
| Countries of South America | 0 | - | 5.00 | 921,176 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,854 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,143 |
| "Land" Countries | 0 | - | 4.98 | 335,402 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,398 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,828 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,827 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,555 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,197 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,805 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,339 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,987 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,044 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,135 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,470 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,316 |
| 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 | 82,147 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,380 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,588 |
| Countries with Megacities | 0 | - | 4.99 | 249,609 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,438 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,736 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,782 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,699 |
| Countries by Official Language | 0 | - | 4.95 | 194,388 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,204 |
| 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 | 131,508 |
| Megadiverse Countries | 0 | - | 4.96 | 134,672 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,092 |
| 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 | 93,766 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,689 |
| 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 | 76,569 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,639 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,736 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,702 |
| 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 | 109,836 |
| World Map Quiz | 0 | - | 4.81 | 64,292 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,903 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,867 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,254 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,791 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,512 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,996 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,386 |
| 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 | 97,962 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,412 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,079 |
| 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 | 169,189 |
| Countries with Five Letters | 0 | - | 4.96 | 276,456 |
| Countries with Six Letters | 0 | - | 4.94 | 212,092 |
| Countries with W | 0 | - | 4.97 | 159,276 |
| Countries with Z | 0 | - | 4.98 | 289,438 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,479 |
| Countries That End in U | 0 | - | 4.95 | 120,273 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,500 |
| 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 | 155,422 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,070 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,940 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,958 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,549 |
| Countries That End in Y | 0 | - | 4.90 | 185,562 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,038 |
| 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 | 95,491 |
| Countries That End in NIA | 0 | - | 4.92 | 109,413 |
| 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 | 126,432 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,509 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,355 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,026 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,364 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,974 |
| 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 | 103,103 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,991 |
| 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 | - | 4.96 | 53,364 |
