| Islands by Country #1 | 0 | - | 4.90 | 176,476 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,333 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,649 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,462 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,620 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,659,079 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,127,879 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,038 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,677 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,834 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,913 |
| Countries with Four Letters | 0 | - | 4.99 | 426,391 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,312 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,183 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,960,900 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,237 |
| Landlocked Countries | 0 | - | 4.99 | 427,156 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,298 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,025 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,210 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,282 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,645 |
| Country Chain | 0 | - | 4.96 | 218,644 |
| Countries by Emojis | 0 | - | 4.99 | 242,814 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,697 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,672 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,352 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,029 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,566 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,560 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,372 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,617 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,873 |
| Himalayan Countries | 0 | - | 4.93 | 140,785 |
| Andean Countries | 0 | - | 4.94 | 85,776 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,901 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,464 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,452 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,676 |
| Danube Countries | 0 | - | 4.97 | 72,533 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,786 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,969 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,420 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,893 |
| European Landlocked Countries | 0 | - | 4.99 | 147,728 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,521 |
| Countries with the Most Species | 0 | - | 4.99 | 103,638 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,625 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,812 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,950 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,888 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,812 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,916 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,669 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,121 |
| Countries in the Alps | 0 | - | 4.87 | 118,952 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,961 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,105 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,050 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,160 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,115 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,381 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,577 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,982 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,506 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,306 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,949 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,825 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,664 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,914 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,014 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,124 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,722 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,762 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,374 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,828 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,251 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,467 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,607 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,180 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,015 |
| Largest Countries By Category | 0 | - | 4.97 | 159,071 |
| Countries by Countries | 0 | - | 4.97 | 63,795 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,662 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,857 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,579 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,423 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,991 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,421 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,324 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,443 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,214 |
| Mountains by Country | 0 | - | 4.56 | 82,028 |
| Islands by Country #2 | 0 | - | 4.80 | 77,946 |
| Random Countries by Borders | 0 | - | 4.99 | 83,189 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,874 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,500 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,017 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,297 |
| Island Countries | 0 | - | 4.99 | 712,972 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,787 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,044 |
| Northernmost Countries | 0 | - | 4.99 | 364,549 |
| Movies by Country Quiz #1 | 0 | - | 4.17 | 53,449 |
| Movies by Country #2 | 0 | - | 4.20 | 45,851 |
| Musical Acts by Country #2 | 0 | - | 4.37 | 36,082 |
| Countries of South America | 0 | - | 5.00 | 934,111 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,314 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,692 |
| "Land" Countries | 0 | - | 4.98 | 338,956 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,874 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,420 |
| Inventions by Country #1 | 0 | - | 4.47 | 55,198 |
| Airlines by Country | 0 | - | 4.52 | 135,928 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,879 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,933 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,471 |
| Countries with Megacities | 0 | - | 4.99 | 267,786 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,120 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,325 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,453 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,422 |
| Countries by Official Language | 0 | - | 4.95 | 196,195 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,910 |
| Countries in their Native Language | 0 | - | 4.99 | 199,944 |
| Independence from Whom | 0 | - | 4.99 | 213,381 |
| Subdivisions by Country | 0 | - | 4.87 | 50,663 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,641 |
| Megadiverse Countries | 0 | - | 4.96 | 148,774 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,123 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,572 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,799 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,257 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,452 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,916 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,267 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,620 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,159 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,284 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,743 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,480 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,501 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,214 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,633 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,959 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,703 |
| World Map Quiz | 0 | - | 4.81 | 65,914 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,801 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,491 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,221 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,692 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,898 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,540 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,652 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,843 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,761 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,930 |
| Widest Countries East to West | 0 | - | 4.92 | 130,836 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,627 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,385 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,557 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,151 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,097 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,600 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,532 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,921 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,463 |
| Ethnic Groups by Country Quiz #1 | 0 | - | 4.17 | 93,666 |
| Ethnic Groups by Country #2 | 0 | - | 4.29 | 53,032 |
| Countries with Double Letters | 0 | - | 4.96 | 97,594 |
| Countries that End in N | 0 | - | 4.95 | 172,604 |
| Countries with Five Letters | 0 | - | 4.96 | 284,603 |
| Countries with Six Letters | 0 | - | 4.94 | 214,927 |
| Countries with W | 0 | - | 4.96 | 161,292 |
| Countries with Z | 0 | - | 4.98 | 292,966 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,651 |
| Countries That End in U | 0 | - | 4.95 | 121,377 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,403 |
| Countries that End in O | 0 | - | 4.92 | 160,365 |
| Countries that End in R | 0 | - | 4.87 | 119,273 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,055 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,130 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 185,208 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,170 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,698 |
| Countries That End in Y | 0 | - | 4.91 | 186,168 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,210 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,406 |
| Countries that End in I | 0 | - | 4.94 | 135,417 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,219 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,139 |
| Countries That End in NIA | 0 | - | 4.92 | 110,153 |
| Countries That End in BIA | 0 | - | 4.93 | 149,730 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,921 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,891 |
| Countries That End in RIA | 0 | - | 4.93 | 127,141 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,535 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,914 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,377 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,837 |
