| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 387,128 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,721 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,648,898 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,111,896 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,808 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,576 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,689 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,567 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,127 |
| Random Countries by Borders | 0 | - | 4.99 | 82,966 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,438 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,958 |
| Random Country to Capital | 0 | - | 4.98 | 926,896 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,954 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,703 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,018 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,406 |
| Countries with Four Letters | 0 | - | 4.99 | 425,371 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,621 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,993 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,813,837 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,725 |
| Landlocked Countries | 0 | - | 4.99 | 424,877 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,461 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,415 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 740,271 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,835 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,248 |
| Country Chain | 0 | - | 4.96 | 218,294 |
| Countries by Emojis | 0 | - | 4.99 | 241,598 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,489 |
| Islands by Country #1 | 0 | - | 4.90 | 176,226 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,152 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,482 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,334 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,741 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,742 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,707 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,840 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,864 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,750 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,512 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,639 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,759 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,976 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,816 |
| Himalayan Countries | 0 | - | 4.93 | 139,901 |
| Andean Countries | 0 | - | 4.94 | 85,250 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,419 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,754 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,988 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,292 |
| Danube Countries | 0 | - | 4.97 | 72,299 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,457 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,744 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,926 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,427 |
| European Landlocked Countries | 0 | - | 4.99 | 147,500 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,147 |
| Countries with the Most Species | 0 | - | 4.99 | 103,509 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,289 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,725 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,838 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,631 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,633 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,774 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,507 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,937 |
| Countries in the Alps | 0 | - | 4.87 | 118,652 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,424 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,682 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,905 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,933 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,856 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,170 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,295 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,796 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,360 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,098 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,809 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,684 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,480 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,714 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,808 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,602 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,547 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,589 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,637 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,536 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,357 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,927 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,457 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,026 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,843 |
| Largest Countries By Category | 0 | - | 4.97 | 158,728 |
| Countries by Countries | 0 | - | 4.96 | 63,548 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,318 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,568 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,903 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,865 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,520 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,155 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,874 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,375 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,651 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,312 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,093 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,020 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,482 |
| Name a Valid Island Country | 0 | - | 4.97 | 129,202 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,756 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,432 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,215 |
| Island Countries | 0 | - | 4.99 | 712,235 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,391,699 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,742 |
| Northernmost Countries | 0 | - | 4.99 | 363,607 |
| Countries of South America | 0 | - | 5.00 | 931,452 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,836 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,886,512 |
| "Land" Countries | 0 | - | 4.98 | 338,183 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,789 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,975 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,892 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,167 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,928 |
| Countries with Megacities | 0 | - | 4.99 | 266,666 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,635 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,989 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,936 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,100 |
| Countries by Official Language | 0 | - | 4.95 | 195,847 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,420 |
| Countries in their Native Language | 0 | - | 4.99 | 199,618 |
| Independence from Whom | 0 | - | 4.99 | 212,874 |
| Subdivisions by Country | 0 | - | 4.87 | 50,580 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,302 |
| Megadiverse Countries | 0 | - | 4.96 | 135,218 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,832 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,498 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,406 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,200 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,496 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,790 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,001 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,526 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,789 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,233 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,333 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,332 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,401 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,115 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,090 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,543 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,657 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,136 |
| World Map Quiz | 0 | - | 4.81 | 65,563 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,831 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,625 |
| Countries by Founding Story | 0 | - | 4.95 | 77,725 |
| Countries by Road Signs | 0 | - | 4.98 | 54,289 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,077 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,987 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,471 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,350 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,327 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,452 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,655 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,640 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,430 |
| Widest Countries East to West | 0 | - | 4.92 | 130,368 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,576 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,158 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,484 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,003 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,900 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,396 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,474 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,874 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,737 |
| Countries with Double Letters | 0 | - | 4.96 | 96,902 |
| Countries that End in N | 0 | - | 4.94 | 171,780 |
| Countries with Five Letters | 0 | - | 4.96 | 283,533 |
| Countries with Six Letters | 0 | - | 4.94 | 214,258 |
| Countries with W | 0 | - | 4.96 | 160,819 |
| Countries with Z | 0 | - | 4.98 | 292,243 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,173 |
| Countries That End in U | 0 | - | 4.95 | 121,112 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,979 |
| Countries that End in O | 0 | - | 4.92 | 159,755 |
| Countries that End in R | 0 | - | 4.87 | 119,132 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,889 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,685 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,055 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,756 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,685 |
| Countries That End in Y | 0 | - | 4.91 | 186,047 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,353 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,183 |
| Countries that End in I | 0 | - | 4.94 | 135,267 |
