| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,145 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,599,482 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,093,431 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,092,742 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,664 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,070 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,898 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,652 |
| Countries with Four Letters | 0 | - | 4.99 | 419,822 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,434 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,654 |
| Landlocked Countries | 0 | - | 4.99 | 415,768 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,765 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,898 |
| Country Chain | 0 | - | 4.96 | 216,244 |
| Countries by Emojis | 0 | - | 4.99 | 237,489 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,353 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,136 |
| Islands by Country #1 | 0 | - | 4.87 | 174,731 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,107 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,458 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,459 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,734,229 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,628 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,035 |
| Name a Valid Country #1 | 0 | - | 4.99 | 285,921 |
| Name a Valid Country #2 | 0 | - | 4.98 | 248,123 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,293 |
| Name a Valid Country #5 | 0 | - | 4.99 | 201,109 |
| Name a Valid Country #6 | 0 | - | 4.94 | 127,715 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 714,768 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,486 |
| Himalayan Countries | 0 | - | 4.95 | 136,127 |
| Andean Countries | 0 | - | 4.95 | 83,245 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,560 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,744 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,252 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,889 |
| Danube Countries | 0 | - | 4.97 | 71,306 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,068 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,757 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,960 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,904 |
| European Landlocked Countries | 0 | - | 4.99 | 146,015 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,608 |
| Countries with the Most Species | 0 | - | 4.99 | 95,374 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,737 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,285 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,454 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,094 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,746 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,115 |
| Countries in the Alps | 0 | - | 4.86 | 117,192 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,811 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,691 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,185 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,631 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,440 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,180 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,869 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,927 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,728 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,260 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,298 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,164 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,654 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,919 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,924 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,556 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,826 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,367 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,101 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,494 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,331 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,761 |
| Largest Countries By Category | 0 | - | 4.97 | 157,119 |
| Countries by Countries | 0 | - | 4.96 | 62,491 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,751 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,045 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,391 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,008 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,179 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,243 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,028 |
| Island Countries | 0 | - | 4.99 | 708,503 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,299 |
| Northernmost Countries | 0 | - | 4.99 | 358,931 |
| Countries of South America | 0 | - | 5.00 | 918,491 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,130 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,809 |
| "Land" Countries | 0 | - | 4.98 | 334,214 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,771 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,631 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,637 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,466 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,042 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,221 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,075 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,843 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,370 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,529 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,961 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,903 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,949 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,741 |
| Random Countries by Borders | 0 | - | 4.99 | 81,873 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,827 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,035 |
| Countries with Megacities | 0 | - | 4.99 | 248,470 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,916 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,422 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,307 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,362 |
| Countries by Official Language | 0 | - | 4.95 | 193,534 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,054 |
| Countries in their Native Language | 0 | - | 4.99 | 197,278 |
| Independence from Whom | 0 | - | 4.99 | 210,296 |
| Subdivisions by Country | 0 | - | 4.86 | 50,163 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,159 |
| Megadiverse Countries | 0 | - | 4.96 | 134,489 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,445 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,041 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,575 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,927 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,937 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,158 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,428 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,479 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,321 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,794 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,025 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,541 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,645 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,613 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,816 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,144 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,264 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,897 |
| World Map Quiz | 0 | - | 4.81 | 63,895 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 135,900 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,928 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,634 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,883 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,581 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,297 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,469 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,168 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,365 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,555 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,102 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,573 |
| Widest Countries East to West | 0 | - | 4.92 | 129,071 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,302 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,551 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,668 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,897 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,889 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,274 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,912 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,652 |
| Countries with Double Letters | 0 | - | 4.96 | 93,772 |
| Countries that End in N | 0 | - | 4.94 | 157,210 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,149 |
| Countries with Six Letters | 0 | - | 4.93 | 210,797 |
| Countries with W | 0 | - | 4.97 | 158,474 |
| Countries with Z | 0 | - | 4.98 | 288,353 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,830 |
| Countries That End in U | 0 | - | 4.95 | 119,649 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,960 |
| Countries that End in O | 0 | - | 4.92 | 158,687 |
| Countries that End in R | 0 | - | 4.87 | 118,400 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,953 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,507 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,606 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,698 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,258 |
| Countries That End in Y | 0 | - | 4.90 | 185,310 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,691 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,969 |
| Countries that End in I | 0 | - | 4.94 | 134,578 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,556 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,338 |
| Countries That End in NIA | 0 | - | 4.92 | 109,179 |
| Countries That End in BIA | 0 | - | 4.92 | 148,186 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,320 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,683 |
| Countries That End in RIA | 0 | - | 4.93 | 126,236 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,221 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,865 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,739 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,094 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,649 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,061 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,329 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,847 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,740 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,924 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,399 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,064 |
| Countries that End in L | 0 | - | 4.94 | 156,189 |
