| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,520 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,210 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,657,030 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,126,954 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,234 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,931 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,123 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,343 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,731 |
| Random Countries by Borders | 0 | - | 4.99 | 83,159 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,794 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,989 |
| Random Country to Capital | 0 | - | 4.98 | 929,312 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,877 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,517 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,688 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,821 |
| Countries with Four Letters | 0 | - | 4.99 | 426,177 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,097 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,136 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,932,218 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,077 |
| Landlocked Countries | 0 | - | 4.99 | 426,750 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,767 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,084 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 744,255 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,201 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,568 |
| Country Chain | 0 | - | 4.96 | 218,574 |
| Countries by Emojis | 0 | - | 4.99 | 242,682 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,659 |
| Islands by Country #1 | 0 | - | 4.90 | 176,442 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,313 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,621 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,439 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,924 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,222 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,759 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,429 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,415 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,254 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,483 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,017 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,152 |
| Random Cities on a World Map | 0 | - | 4.25 | 45,041 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,670 |
| Himalayan Countries | 0 | - | 4.93 | 140,603 |
| Andean Countries | 0 | - | 4.94 | 85,678 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,812 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,309 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,370 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,594 |
| Danube Countries | 0 | - | 4.97 | 72,497 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,716 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,918 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,323 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,776 |
| European Landlocked Countries | 0 | - | 4.99 | 147,686 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,440 |
| Countries with the Most Species | 0 | - | 4.99 | 103,614 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,551 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,797 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,927 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,839 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,780 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,893 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,636 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,089 |
| Countries in the Alps | 0 | - | 4.87 | 118,891 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,844 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,031 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,025 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,117 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,062 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,339 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,505 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,950 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,481 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,264 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,928 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,802 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,627 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,870 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,972 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,045 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,676 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,724 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,886 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,771 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,034 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,349 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,575 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,147 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,989 |
| Largest Countries By Category | 0 | - | 4.97 | 158,983 |
| Countries by Countries | 0 | - | 4.97 | 63,735 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,612 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,817 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,418 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,289 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,894 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,357 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,233 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,434 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,695 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,491 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,534 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,178 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,595 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,325 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,135 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,906 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,078 |
| Island Countries | 0 | - | 4.99 | 712,816 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,683 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,552 |
| Northernmost Countries | 0 | - | 4.99 | 364,354 |
| Countries of South America | 0 | - | 5.00 | 933,600 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,596 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,385 |
| "Land" Countries | 0 | - | 4.98 | 338,685 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,960 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,101 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,226 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,773 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,370 |
| Countries with Megacities | 0 | - | 4.99 | 267,550 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,026 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,258 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,359 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,361 |
| Countries by Official Language | 0 | - | 4.95 | 196,137 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,814 |
| Countries in their Native Language | 0 | - | 4.99 | 199,865 |
| Independence from Whom | 0 | - | 4.99 | 213,276 |
| Subdivisions by Country | 0 | - | 4.87 | 50,645 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,581 |
| Megadiverse Countries | 0 | - | 4.96 | 146,900 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,056 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,561 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,762 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,243 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,376 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,899 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,207 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,600 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,131 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,279 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,673 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,446 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,475 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,189 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,191 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,612 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,929 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,573 |
| World Map Quiz | 0 | - | 4.81 | 65,863 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,618 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,768 |
| Countries by Founding Story | 0 | - | 4.95 | 77,873 |
| Countries by Road Signs | 0 | - | 4.98 | 54,404 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,409 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,172 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,638 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,772 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,499 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,615 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,803 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,737 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,871 |
| Widest Countries East to West | 0 | - | 4.92 | 130,790 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,620 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,327 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,542 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,113 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,063 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,557 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,522 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,912 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,137 |
| Countries with Double Letters | 0 | - | 4.96 | 97,365 |
| Countries that End in N | 0 | - | 4.95 | 172,435 |
| Countries with Five Letters | 0 | - | 4.96 | 284,355 |
| Countries with Six Letters | 0 | - | 4.94 | 214,744 |
| Countries with W | 0 | - | 4.96 | 161,145 |
| Countries with Z | 0 | - | 4.98 | 292,748 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,499 |
| Countries That End in U | 0 | - | 4.95 | 121,302 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,278 |
| Countries that End in O | 0 | - | 4.92 | 160,300 |
| Countries that End in R | 0 | - | 4.87 | 119,239 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,009 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,017 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 179,316 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,004 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,263 |
| Countries That End in Y | 0 | - | 4.91 | 186,137 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,860 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,352 |
| Countries that End in I | 0 | - | 4.94 | 135,374 |
