| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,117 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,834 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,089,598 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,399 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,458 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,957 |
| Islands by Country #1 | 0 | - | 4.87 | 174,576 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,108 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,411 |
| Random Countries by Borders | 0 | - | 4.99 | 81,744 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,137 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,591,848 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,238 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,651 |
| Random Country to Capital | 0 | - | 4.98 | 912,538 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,114 |
| Countries with Four Letters | 0 | - | 4.99 | 418,976 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,901 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,485 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,369 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,389 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,719 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,580 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,041 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,371 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,984,864 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,474 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,594 |
| Country Chain | 0 | - | 4.96 | 215,889 |
| Countries by Emojis | 0 | - | 4.99 | 236,928 |
| African Island Countries | 0 | - | 4.96 | 100,887 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,195 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,391 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,991 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,338 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,381 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,054 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,087 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,695 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,857 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,036 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,604 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,678 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,218 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,612 |
| Landlocked Countries | 0 | - | 4.99 | 414,401 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,238 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,556 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,514 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,426 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,399 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,914 |
| Richest Island Countries | 0 | - | 4.84 | 99,627 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,834 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,711 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,850 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,057 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,561 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,609 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,278 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,495 |
| Islands by Country #2 | 0 | - | 4.80 | 77,051 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,649 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,399 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,928 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,412 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,228 |
| Island Countries | 0 | - | 4.99 | 707,920 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,923 |
| Himalayan Countries | 0 | - | 4.95 | 135,636 |
| Andean Countries | 0 | - | 4.94 | 82,986 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,340 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,390 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,043 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,715 |
| Danube Countries | 0 | - | 4.97 | 71,159 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,865 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,615 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,651 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,559 |
| European Landlocked Countries | 0 | - | 4.99 | 145,858 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,325 |
| Countries with the Most Species | 0 | - | 4.99 | 95,289 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,476 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,227 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,396 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,005 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,643 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,009 |
| Countries in the Alps | 0 | - | 4.86 | 116,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,656 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,419 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,080 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,488 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,268 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,070 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,671 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,824 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,562 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,130 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,223 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,088 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,518 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,810 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,813 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,235 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,721 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,301 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,876 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,719 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,927 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,671 |
| Largest Countries By Category | 0 | - | 4.97 | 156,889 |
| Countries by Countries | 0 | - | 4.96 | 62,339 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,563 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,526 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,994 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,353 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,195 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,843 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,534 |
| Northernmost Countries | 0 | - | 4.99 | 358,150 |
| Countries of South America | 0 | - | 5.00 | 916,122 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,238 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,089 |
| "Land" Countries | 0 | - | 4.98 | 333,862 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,723 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,417 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,695 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,655 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,892 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,667 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,403 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,967 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,637 |
| Countries with Megacities | 0 | - | 4.99 | 247,594 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,479 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,212 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,892 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,138 |
| Countries by Official Language | 0 | - | 4.95 | 192,944 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,365 |
| Countries in their Native Language | 0 | - | 4.99 | 196,794 |
| Independence from Whom | 0 | - | 4.99 | 209,900 |
| Subdivisions by Country | 0 | - | 4.86 | 50,103 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,897 |
| Megadiverse Countries | 0 | - | 4.97 | 133,965 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,954 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,957 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,468 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,877 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,763 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,055 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,187 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,220 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,251 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,761 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,741 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,456 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,554 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,539 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,396 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,730 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,064 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,816 |
| World Map Quiz | 0 | - | 4.81 | 63,645 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,143 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,671 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,415 |
| Countries by Founding Story | 0 | - | 4.95 | 76,618 |
| Countries by Road Signs | 0 | - | 4.98 | 53,194 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,561 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,342 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,076 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,014 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,990 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,177 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,380 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,004 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,424 |
| Widest Countries East to West | 0 | - | 4.92 | 128,916 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,248 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,335 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,603 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,756 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,701 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,132 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 72,900 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,616 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,227 |
| Countries with Double Letters | 0 | - | 4.96 | 93,543 |
| Countries that End in N | 0 | - | 4.94 | 157,030 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,852 |
| Countries with Six Letters | 0 | - | 4.93 | 210,526 |
| Countries with W | 0 | - | 4.97 | 158,331 |
| Countries with Z | 0 | - | 4.98 | 288,057 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,651 |
| Countries That End in U | 0 | - | 4.95 | 119,577 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,730 |
| Countries that End in O | 0 | - | 4.92 | 158,610 |
