| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,461 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,063 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,777 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,907 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,805 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,040 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,738 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,142 |
| Countries with Four Letters | 0 | - | 4.99 | 421,457 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,128 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,199 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,315,771 |
| Landlocked Countries | 0 | - | 4.99 | 418,625 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,681 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,768 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,424 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,647 |
| Country Chain | 0 | - | 4.96 | 216,784 |
| Countries by Emojis | 0 | - | 4.99 | 238,545 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,670 |
| Islands by Country #1 | 0 | - | 4.88 | 175,067 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,349 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,696 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,604 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,134 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,634 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,265 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,143 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,907 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,431 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,514 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,967 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,886 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,258 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,882 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,838 |
| Himalayan Countries | 0 | - | 4.94 | 137,287 |
| Andean Countries | 0 | - | 4.95 | 83,861 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,138 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,542 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,786 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,306 |
| Danube Countries | 0 | - | 4.97 | 71,619 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,508 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,022 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,587 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,658 |
| European Landlocked Countries | 0 | - | 4.99 | 146,737 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,091 |
| Countries with the Most Species | 0 | - | 4.99 | 102,874 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,223 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,422 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,576 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,530 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,914 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,282 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,962 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,340 |
| Countries in the Alps | 0 | - | 4.87 | 117,637 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,103 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,314 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,389 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,956 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,057 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,425 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,247 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,158 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,945 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,526 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,458 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,323 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,897 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,172 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,184 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,129 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,044 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,916 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,554 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,484 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,240 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,154 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,975 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,619 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,273 |
| Largest Countries By Category | 0 | - | 4.97 | 157,584 |
| Countries by Countries | 0 | - | 4.96 | 62,814 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,417 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,445 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,726 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,163 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,500 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,149 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,896 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,464 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,298 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,964 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,320 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,267 |
| Random Countries by Borders | 0 | - | 4.99 | 82,263 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,637 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,737 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,516 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,956 |
| Island Countries | 0 | - | 4.99 | 709,627 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,120 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,284 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,762 |
| Northernmost Countries | 0 | - | 4.99 | 360,358 |
| Countries of South America | 0 | - | 5.00 | 922,562 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,562 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,564 |
| "Land" Countries | 0 | - | 4.98 | 335,734 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 381,959 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,210 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,924 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,619 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,935 |
| Countries with Megacities | 0 | - | 4.99 | 257,760 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,805 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,938 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,084 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,948 |
| Countries by Official Language | 0 | - | 4.95 | 194,588 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,467 |
| Countries in their Native Language | 0 | - | 4.99 | 198,135 |
| Independence from Whom | 0 | - | 4.99 | 211,249 |
| Subdivisions by Country | 0 | - | 4.86 | 50,274 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,652 |
| Megadiverse Countries | 0 | - | 4.96 | 134,748 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,511 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,170 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,735 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,007 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,675 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,360 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,934 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,826 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,468 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,975 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,897 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,699 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,971 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,758 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,126 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,309 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,121 |
| World Map Quiz | 0 | - | 4.81 | 64,474 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,493 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,007 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,447 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,898 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,609 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,268 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,490 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,652 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,805 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,248 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,257 |
| Widest Countries East to West | 0 | - | 4.92 | 129,341 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,928 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,983 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,492 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,184 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,520 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,222 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,723 |
| Countries with Double Letters | 0 | - | 4.97 | 95,044 |
| Countries that End in N | 0 | - | 4.95 | 169,901 |
| Countries with Five Letters | 0 | - | 4.96 | 279,868 |
| Countries with Six Letters | 0 | - | 4.94 | 212,422 |
| Countries with W | 0 | - | 4.97 | 159,494 |
| Countries with Z | 0 | - | 4.98 | 289,741 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,692 |
| Countries That End in U | 0 | - | 4.95 | 120,395 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,712 |
| Countries that End in O | 0 | - | 4.92 | 159,181 |
| Countries that End in R | 0 | - | 4.87 | 118,724 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,501 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,271 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,075 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,064 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,647 |
| Countries That End in Y | 0 | - | 4.90 | 185,637 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,190 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,394 |
| Countries that End in I | 0 | - | 4.94 | 134,851 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,041 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,562 |
| Countries That End in NIA | 0 | - | 4.92 | 109,499 |
| Countries That End in BIA | 0 | - | 4.93 | 148,822 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,681 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,026 |
| Countries That End in RIA | 0 | - | 4.93 | 126,514 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,600 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,615 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,186 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,532 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,084 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,296 |