| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,552 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,225 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,657,232 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,127,038 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,245 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,938 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,145 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,354 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,751 |
| Random Countries by Borders | 0 | - | 4.99 | 83,159 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,801 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,046 |
| Random Country to Capital | 0 | - | 4.98 | 929,348 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,897 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,539 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,696 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,830 |
| Countries with Four Letters | 0 | - | 4.99 | 426,197 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,106 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,141 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,935,477 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,089 |
| Landlocked Countries | 0 | - | 4.99 | 426,806 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,767 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,108 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 744,356 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,204 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,578 |
| Country Chain | 0 | - | 4.96 | 218,584 |
| Countries by Emojis | 0 | - | 4.99 | 242,695 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,666 |
| Islands by Country #1 | 0 | - | 4.90 | 176,444 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,314 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,623 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,439 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,216 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,239 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,787 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,449 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,431 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,266 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,494 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,027 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,165 |
| Random Cities on a World Map | 0 | - | 4.25 | 45,047 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,693 |
| Himalayan Countries | 0 | - | 4.93 | 140,624 |
| Andean Countries | 0 | - | 4.94 | 85,698 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,825 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,332 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,378 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,611 |
| Danube Countries | 0 | - | 4.97 | 72,503 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,723 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,924 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,336 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,795 |
| European Landlocked Countries | 0 | - | 4.99 | 147,692 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,449 |
| Countries with the Most Species | 0 | - | 4.99 | 103,618 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,558 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,799 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,929 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,843 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,780 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,897 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,642 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,095 |
| Countries in the Alps | 0 | - | 4.87 | 118,900 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,861 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,036 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,030 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,120 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,069 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,344 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,509 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,954 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,485 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,270 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,929 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,805 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,628 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,878 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,976 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,058 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,682 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,728 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,958 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,773 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,071 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,364 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,581 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,150 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,993 |
| Largest Countries By Category | 0 | - | 4.97 | 158,993 |
| Countries by Countries | 0 | - | 4.97 | 63,745 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,618 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,819 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,438 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,296 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,903 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,368 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,245 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,435 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,696 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,495 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,544 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,184 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,598 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,337 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,177 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,920 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,106 |
| Island Countries | 0 | - | 4.99 | 712,837 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,766 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,611 |
| Northernmost Countries | 0 | - | 4.99 | 364,381 |
| Countries of South America | 0 | - | 5.00 | 933,650 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,667 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,552 |
| "Land" Countries | 0 | - | 4.98 | 338,735 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,963 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,103 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,300 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,797 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,384 |
| Countries with Megacities | 0 | - | 4.99 | 267,576 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,035 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,266 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,368 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,370 |
| Countries by Official Language | 0 | - | 4.95 | 196,146 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,818 |
| Countries in their Native Language | 0 | - | 4.99 | 199,874 |
| Independence from Whom | 0 | - | 4.99 | 213,288 |
| Subdivisions by Country | 0 | - | 4.87 | 50,645 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,590 |
| Megadiverse Countries | 0 | - | 4.96 | 147,244 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,063 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,563 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,765 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,243 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,386 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,902 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,218 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,601 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,135 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,280 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,682 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,450 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,480 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,194 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,192 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,614 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,932 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,589 |
| World Map Quiz | 0 | - | 4.81 | 65,865 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,656 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,771 |
| Countries by Founding Story | 0 | - | 4.95 | 77,878 |
| Countries by Road Signs | 0 | - | 4.98 | 54,408 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,421 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,179 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,641 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,791 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,507 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,620 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,808 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,741 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,879 |
| Widest Countries East to West | 0 | - | 4.92 | 130,794 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,623 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,336 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,545 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,117 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,065 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,568 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,524 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,914 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,148 |
| Countries with Double Letters | 0 | - | 4.96 | 97,415 |
| Countries that End in N | 0 | - | 4.95 | 172,464 |
| Countries with Five Letters | 0 | - | 4.96 | 284,397 |
| Countries with Six Letters | 0 | - | 4.94 | 214,775 |
| Countries with W | 0 | - | 4.96 | 161,173 |
| Countries with Z | 0 | - | 4.98 | 292,785 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,532 |
| Countries That End in U | 0 | - | 4.95 | 121,311 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,301 |
| Countries that End in O | 0 | - | 4.92 | 160,318 |
| Countries that End in R | 0 | - | 4.87 | 119,245 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,013 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,041 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 180,831 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,039 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,372 |
| Countries That End in Y | 0 | - | 4.91 | 186,140 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,944 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,359 |
| Countries that End in I | 0 | - | 4.94 | 135,380 |
