| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,537 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,216 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,657,133 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,126,990 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,242 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,933 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,130 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,349 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,741 |
| Random Countries by Borders | 0 | - | 4.99 | 83,159 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,799 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,004 |
| Random Country to Capital | 0 | - | 4.98 | 929,327 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,884 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,529 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,694 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,828 |
| Countries with Four Letters | 0 | - | 4.99 | 426,183 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,104 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,141 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,933,596 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,081 |
| Landlocked Countries | 0 | - | 4.99 | 426,772 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,767 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,099 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 744,300 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,202 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,571 |
| Country Chain | 0 | - | 4.96 | 218,577 |
| Countries by Emojis | 0 | - | 4.99 | 242,689 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,662 |
| Islands by Country #1 | 0 | - | 4.90 | 176,443 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,313 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,622 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,439 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,078 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,230 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,767 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,437 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,423 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,260 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,488 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,018 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,156 |
| Random Cities on a World Map | 0 | - | 4.25 | 45,041 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,680 |
| Himalayan Countries | 0 | - | 4.93 | 140,610 |
| Andean Countries | 0 | - | 4.94 | 85,681 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,816 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,319 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,374 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,601 |
| Danube Countries | 0 | - | 4.97 | 72,497 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,718 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,921 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,331 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,780 |
| European Landlocked Countries | 0 | - | 4.99 | 147,689 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,443 |
| Countries with the Most Species | 0 | - | 4.99 | 103,615 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,554 |
| 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 | 59,893 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,637 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,091 |
| Countries in the Alps | 0 | - | 4.87 | 118,894 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,852 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,032 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,029 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,119 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,067 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,341 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,507 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,952 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,482 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,268 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,928 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,805 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,627 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,873 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,973 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,052 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,679 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,726 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,917 |
| 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 | 246,044 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,356 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,576 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,147 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,991 |
| Largest Countries By Category | 0 | - | 4.97 | 158,988 |
| Countries by Countries | 0 | - | 4.97 | 63,738 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,615 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,817 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,429 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,292 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,899 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,365 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,239 |
| 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 | 99,493 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,541 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,182 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,595 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,331 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,157 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,912 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,092 |
| Island Countries | 0 | - | 4.99 | 712,828 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,715 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,576 |
| Northernmost Countries | 0 | - | 4.99 | 364,364 |
| Countries of South America | 0 | - | 5.00 | 933,625 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,637 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,447 |
| "Land" Countries | 0 | - | 4.98 | 338,705 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,962 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,101 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,257 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,779 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,375 |
| Countries with Megacities | 0 | - | 4.99 | 267,557 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,030 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,258 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,361 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,361 |
| Countries by Official Language | 0 | - | 4.95 | 196,143 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,816 |
| Countries in their Native Language | 0 | - | 4.99 | 199,871 |
| Independence from Whom | 0 | - | 4.99 | 213,281 |
| Subdivisions by Country | 0 | - | 4.87 | 50,645 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,584 |
| Megadiverse Countries | 0 | - | 4.96 | 147,048 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,060 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,562 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,763 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,243 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,380 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,900 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,211 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,600 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,133 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,279 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,678 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,449 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,477 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,193 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,192 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,612 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,930 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,579 |
| World Map Quiz | 0 | - | 4.81 | 65,865 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,638 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,769 |
| Countries by Founding Story | 0 | - | 4.95 | 77,875 |
| Countries by Road Signs | 0 | - | 4.98 | 54,405 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,412 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,173 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,640 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,779 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,499 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,616 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,806 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,738 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,874 |
| Widest Countries East to West | 0 | - | 4.92 | 130,791 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,621 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,331 |
| 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 | 149,064 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,560 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,522 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,914 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,141 |
| Countries with Double Letters | 0 | - | 4.96 | 97,388 |
| Countries that End in N | 0 | - | 4.95 | 172,445 |
| Countries with Five Letters | 0 | - | 4.96 | 284,368 |
| Countries with Six Letters | 0 | - | 4.94 | 214,753 |
| Countries with W | 0 | - | 4.96 | 161,152 |
| Countries with Z | 0 | - | 4.98 | 292,762 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,516 |
| Countries That End in U | 0 | - | 4.95 | 121,305 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,289 |
| Countries that End in O | 0 | - | 4.92 | 160,306 |
| Countries that End in R | 0 | - | 4.87 | 119,240 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,010 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,023 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 179,989 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,024 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,314 |
| Countries That End in Y | 0 | - | 4.91 | 186,138 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,895 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,355 |
| Countries that End in I | 0 | - | 4.94 | 135,378 |
