| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,615,073 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,566 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,197 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,322 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,328 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,010 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,006 |
| Random Countries by Borders | 0 | - | 4.99 | 82,288 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,716 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,217 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,341 |
| Random Country to Capital | 0 | - | 4.98 | 918,494 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,334,963 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,920 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,120 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,826 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,199 |
| Countries with Four Letters | 0 | - | 4.99 | 421,596 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,353 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,263 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,341 |
| Landlocked Countries | 0 | - | 4.99 | 418,950 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,346 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,922 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,473 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,693 |
| Country Chain | 0 | - | 4.96 | 216,829 |
| Countries by Emojis | 0 | - | 4.99 | 238,755 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,724 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,871 |
| Islands by Country #1 | 0 | - | 4.88 | 175,113 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,381 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,721 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,626 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,954 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,513 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,700 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,076 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,975 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,369 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,956 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,850 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,212 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,092 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,001 |
| Himalayan Countries | 0 | - | 4.94 | 137,431 |
| Andean Countries | 0 | - | 4.95 | 83,942 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,231 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,662 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,832 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,353 |
| Danube Countries | 0 | - | 4.97 | 71,666 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,556 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,058 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,657 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,735 |
| European Landlocked Countries | 0 | - | 4.99 | 146,778 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,142 |
| Countries with the Most Species | 0 | - | 4.99 | 102,908 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,271 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,432 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,589 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,303 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,994 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,365 |
| Countries in the Alps | 0 | - | 4.87 | 117,688 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,135 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,368 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,424 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,986 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,096 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,582 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,287 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,189 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,970 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,553 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,479 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,338 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,926 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,189 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,207 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,189 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,063 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,572 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,532 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,381 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,231 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,000 |
| Largest Countries By Category | 0 | - | 4.97 | 157,639 |
| Countries by Countries | 0 | - | 4.96 | 62,838 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,214 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,161 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,469 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,324 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,007 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,610 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,111 |
| Island Countries | 0 | - | 4.99 | 709,764 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,056 |
| Northernmost Countries | 0 | - | 4.99 | 360,474 |
| Countries of South America | 0 | - | 5.00 | 922,913 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,044 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,382 |
| "Land" Countries | 0 | - | 4.98 | 335,797 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,571 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,937 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,950 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,644 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,309 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,739 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,500 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,084 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,558 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,544 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,801 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,552 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,974 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,991 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,021 |
| Countries with Megacities | 0 | - | 4.99 | 260,011 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,896 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,994 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,173 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,003 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,165 |
| Countries by Official Language | 0 | - | 4.95 | 194,643 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,539 |
| Countries in their Native Language | 0 | - | 4.99 | 198,189 |
| Independence from Whom | 0 | - | 4.99 | 211,319 |
| Subdivisions by Country | 0 | - | 4.86 | 50,287 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,709 |
| Megadiverse Countries | 0 | - | 4.96 | 134,768 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,544 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,185 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,756 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,018 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,714 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,381 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,980 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,845 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,487 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,988 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,975 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,717 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,995 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,774 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,153 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,326 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,330 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,198 |
| World Map Quiz | 0 | - | 4.81 | 64,520 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,611 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,034 |
| Countries by Founding Story | 0 | - | 4.95 | 77,070 |
| Countries by Road Signs | 0 | - | 4.98 | 53,654 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,506 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,928 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,639 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,327 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,519 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,672 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,827 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,260 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,285 |
| Widest Countries East to West | 0 | - | 4.92 | 129,378 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,382 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,962 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,994 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,510 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,222 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,550 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,233 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,727 |
| Countries with Double Letters | 0 | - | 4.97 | 95,095 |
| Countries that End in N | 0 | - | 4.95 | 169,999 |
| Countries with Five Letters | 0 | - | 4.96 | 280,230 |
| Countries with Six Letters | 0 | - | 4.94 | 212,485 |
| Countries with W | 0 | - | 4.97 | 159,522 |
| Countries with Z | 0 | - | 4.98 | 289,808 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,752 |
| Countries That End in U | 0 | - | 4.95 | 120,414 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,755 |
| Countries that End in O | 0 | - | 4.92 | 159,194 |
| Countries that End in R | 0 | - | 4.87 | 118,734 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,513 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,336 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,109 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,084 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,666 |
| Countries That End in Y | 0 | - | 4.90 | 185,647 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,227 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,427 |
| Countries that End in I | 0 | - | 4.94 | 134,871 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,082 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,579 |
| Countries That End in NIA | 0 | - | 4.92 | 109,517 |
| Countries That End in BIA | 0 | - | 4.93 | 148,843 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,719 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,060 |
| Countries That End in RIA | 0 | - | 4.93 | 126,541 |
