| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,786 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,192 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,626,555 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,102,777 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,714 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,698 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,027 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,963 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,757 |
| Random Countries by Borders | 0 | - | 4.99 | 82,502 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,185 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,467 |
| Random Country to Capital | 0 | - | 4.98 | 921,228 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,084 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,947 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,557 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,607 |
| Countries with Four Letters | 0 | - | 4.99 | 422,783 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,713 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,547 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,500,266 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,519 |
| Landlocked Countries | 0 | - | 4.99 | 421,000 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,744 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,928 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,469 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,807 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,841 |
| Country Chain | 0 | - | 4.96 | 217,188 |
| Countries by Emojis | 0 | - | 4.99 | 239,931 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,993 |
| Islands by Country #1 | 0 | - | 4.88 | 175,342 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,573 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,931 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,760 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,771,158 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,206 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,284 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,926 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,791 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,179 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,572 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,407 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,765 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,745 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,985 |
| Himalayan Countries | 0 | - | 4.95 | 138,291 |
| Andean Countries | 0 | - | 4.95 | 84,366 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,589 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,499 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,214 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,623 |
| Danube Countries | 0 | - | 4.97 | 71,898 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,867 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,289 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,084 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,559 |
| European Landlocked Countries | 0 | - | 4.99 | 147,028 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,457 |
| Countries with the Most Species | 0 | - | 4.99 | 103,145 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,603 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,533 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,674 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,007 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,247 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,468 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,150 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,554 |
| Countries in the Alps | 0 | - | 4.87 | 118,036 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,284 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,826 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,578 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,503 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,378 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,871 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,536 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,395 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,111 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,741 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,585 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,443 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,114 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,383 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,412 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,657 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,209 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,172 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,724 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,882 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,440 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,814 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,141 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,793 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,510 |
| Largest Countries By Category | 0 | - | 4.97 | 158,011 |
| Countries by Countries | 0 | - | 4.96 | 63,077 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,772 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,247 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,274 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,217 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,326 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,532 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,934 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,237 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,529 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,872 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,782 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,564 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,129 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,002 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,713 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,213 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,590 |
| Island Countries | 0 | - | 4.99 | 710,641 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,031 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,538 |
| Northernmost Countries | 0 | - | 4.99 | 361,489 |
| Countries of South America | 0 | - | 5.00 | 925,798 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,014 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,873,627 |
| "Land" Countries | 0 | - | 4.98 | 336,977 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,405 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,541 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,549 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,532 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,618 |
| Countries with Megacities | 0 | - | 4.99 | 263,844 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,472 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,327 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,742 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,366 |
| Countries by Official Language | 0 | - | 4.95 | 195,040 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,099 |
| Countries in their Native Language | 0 | - | 4.99 | 198,542 |
| Independence from Whom | 0 | - | 4.99 | 211,849 |
| Subdivisions by Country | 0 | - | 4.86 | 50,385 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,510 |
| Megadiverse Countries | 0 | - | 4.96 | 134,924 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,904 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,285 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,869 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,073 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,983 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,525 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,321 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,970 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,593 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,049 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,456 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,816 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,129 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,907 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,819 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,290 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,437 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,872 |
| World Map Quiz | 0 | - | 4.81 | 64,943 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,688 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,246 |
| Countries by Founding Story | 0 | - | 4.95 | 77,277 |
| Countries by Road Signs | 0 | - | 4.98 | 53,881 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,879 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,154 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,877 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,921 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,792 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,918 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,211 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,388 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,494 |
| Widest Countries East to West | 0 | - | 4.92 | 129,561 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,425 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,246 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,085 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,681 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,468 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,755 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,332 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,778 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,797 |
| Countries with Double Letters | 0 | - | 4.97 | 95,917 |
| Countries that End in N | 0 | - | 4.95 | 170,829 |
| Countries with Five Letters | 0 | - | 4.96 | 281,934 |
| Countries with Six Letters | 0 | - | 4.94 | 213,251 |
| Countries with W | 0 | - | 4.97 | 160,102 |
| Countries with Z | 0 | - | 4.98 | 291,104 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,460 |
| Countries That End in U | 0 | - | 4.95 | 120,721 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,232 |
| Countries that End in O | 0 | - | 4.92 | 159,426 |
| Countries that End in R | 0 | - | 4.87 | 118,895 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,661 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,839 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,522 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,361 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,240 |
| Countries That End in Y | 0 | - | 4.91 | 185,802 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,719 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,717 |
| Countries that End in I | 0 | - | 4.94 | 135,026 |
