| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,151 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,054 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,605 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,483 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,431 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,300 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,850 |
| Random Countries by Borders | 0 | - | 4.99 | 82,890 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,180 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,654 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,413 |
| Random Country to Capital | 0 | - | 4.98 | 925,743 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,758,615 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,634 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,395 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,787 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,280 |
| Countries with Four Letters | 0 | - | 4.99 | 424,991 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,477 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,455 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,881 |
| Landlocked Countries | 0 | - | 4.99 | 424,168 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,924 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,502 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,660 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,073 |
| Country Chain | 0 | - | 4.96 | 218,115 |
| Countries by Emojis | 0 | - | 4.99 | 241,325 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,396 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,009 |
| Islands by Country #1 | 0 | - | 4.90 | 176,070 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,078 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,405 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,275 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,317 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,326 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,051 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,399 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,438 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,347 |
| Name a Valid Country #6 | 0 | - | 4.95 | 142,729 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,246 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 738,166 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,492 |
| Himalayan Countries | 0 | - | 4.94 | 139,654 |
| Andean Countries | 0 | - | 4.94 | 85,124 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,310 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,548 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,877 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,164 |
| Danube Countries | 0 | - | 4.97 | 72,246 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,373 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,669 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,790 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,275 |
| European Landlocked Countries | 0 | - | 4.99 | 147,419 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,030 |
| Countries with the Most Species | 0 | - | 4.99 | 103,449 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,167 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,696 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,807 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,723 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,451 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,873 |
| Countries in the Alps | 0 | - | 4.87 | 118,529 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,198 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,524 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,836 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,845 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,773 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,960 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,701 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,323 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,039 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,778 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,643 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,416 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,658 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,746 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,437 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,492 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,418 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,445 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,070 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,753 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,406 |
| Largest Countries By Category | 0 | - | 4.97 | 158,594 |
| Countries by Countries | 0 | - | 4.96 | 63,472 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,048 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,357 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,636 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,947 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,662 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,205 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,742 |
| Island Countries | 0 | - | 4.99 | 711,926 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,908 |
| Northernmost Countries | 0 | - | 4.99 | 363,264 |
| Countries of South America | 0 | - | 5.00 | 930,460 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,848 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,498 |
| "Land" Countries | 0 | - | 4.98 | 337,986 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,527 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,572 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,515 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,991 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,776 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,389,864 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,211 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,509 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,619 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,583 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,306 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,703 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,866 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,440 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,646 |
| Countries with Megacities | 0 | - | 4.99 | 266,142 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,381 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,827 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,668 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,950 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,729 |
| Countries by Official Language | 0 | - | 4.95 | 195,719 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,225 |
| Countries in their Native Language | 0 | - | 4.99 | 199,491 |
| Independence from Whom | 0 | - | 4.99 | 212,678 |
| Subdivisions by Country | 0 | - | 4.87 | 50,549 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,163 |
| Megadiverse Countries | 0 | - | 4.96 | 135,169 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,631 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,469 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,366 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,171 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,409 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,727 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,838 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,487 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,764 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,215 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,139 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,285 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,354 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,075 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,496 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,613 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,915 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,936 |
| World Map Quiz | 0 | - | 4.81 | 65,410 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,450 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,552 |
| Countries by Founding Story | 0 | - | 4.95 | 77,631 |
| Countries by Road Signs | 0 | - | 4.98 | 54,234 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,918 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,850 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,400 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,129 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,247 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,379 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,573 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,607 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,773 |
| Widest Countries East to West | 0 | - | 4.92 | 130,275 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,549 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,067 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,452 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,959 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,835 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,328 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,456 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,859 |
| Countries with Double Letters | 0 | - | 4.96 | 96,753 |
| Countries that End in N | 0 | - | 4.95 | 171,640 |
| Countries with Five Letters | 0 | - | 4.96 | 283,326 |
| Countries with Six Letters | 0 | - | 4.94 | 214,094 |
| Countries with W | 0 | - | 4.96 | 160,707 |
| Countries with Z | 0 | - | 4.98 | 292,061 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,060 |
| Countries That End in U | 0 | - | 4.95 | 121,057 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,858 |
| Countries that End in O | 0 | - | 4.92 | 159,704 |
| Countries that End in R | 0 | - | 4.87 | 119,098 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,847 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,537 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,974 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,689 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,610 |
| Countries That End in Y | 0 | - | 4.91 | 186,014 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,241 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,114 |
| Countries that End in I | 0 | - | 4.94 | 135,235 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,428 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,957 |
| Countries That End in NIA | 0 | - | 4.92 | 109,945 |
| Countries That End in BIA | 0 | - | 4.93 | 149,429 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,369 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,648 |
| Countries That End in RIA | 0 | - | 4.93 | 126,963 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,247 |
