| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,027 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,220 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 179,577 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,768 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,076 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,618,590 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,385,885 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,099,795 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,420 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,081 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,347 |
| Countries with Four Letters | 0 | - | 4.99 | 421,946 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,392 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,430 |
| Landlocked Countries | 0 | - | 4.99 | 419,619 |
| Country Chain | 0 | - | 4.96 | 216,954 |
| Countries by Emojis | 0 | - | 4.99 | 239,291 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,822 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,230 |
| Islands by Country #1 | 0 | - | 4.88 | 175,189 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,447 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,794 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,677 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,761,290 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,336 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,751 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,248 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,378 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,267 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,655 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,172 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,839 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,276 |
| Himalayan Countries | 0 | - | 4.95 | 137,718 |
| Andean Countries | 0 | - | 4.95 | 84,076 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,317 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,839 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,947 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,432 |
| Danube Countries | 0 | - | 4.97 | 71,729 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,654 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,124 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,770 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,854 |
| European Landlocked Countries | 0 | - | 4.99 | 146,855 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,224 |
| Countries with the Most Species | 0 | - | 4.99 | 102,992 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,385 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,452 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,614 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,363 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,038 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,430 |
| Countries in the Alps | 0 | - | 4.87 | 117,803 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,210 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,514 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,463 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,190 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,182 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,768 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,364 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,256 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,015 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,620 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,519 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,367 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,984 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,253 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,271 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,323 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,106 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,614 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,641 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,683 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,413 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,035 |
| Largest Countries By Category | 0 | - | 4.97 | 157,769 |
| Countries by Countries | 0 | - | 4.96 | 62,917 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,316 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,178 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,485 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,398 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,582 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,795 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,597 |
| Island Countries | 0 | - | 4.99 | 710,049 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,808 |
| Northernmost Countries | 0 | - | 4.99 | 360,806 |
| Countries of South America | 0 | - | 5.00 | 923,897 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,448 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,771 |
| "Land" Countries | 0 | - | 4.98 | 335,958 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,029 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,704 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,385 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,277 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,585 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,132 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,810 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,780 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,994 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,683 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,282 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,026 |
| Random Countries by Borders | 0 | - | 4.99 | 82,351 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,866 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,222 |
| Countries with Megacities | 0 | - | 4.99 | 262,199 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,067 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,103 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,369 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,137 |
| Countries by Official Language | 0 | - | 4.95 | 194,773 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,713 |
| Countries in their Native Language | 0 | - | 4.99 | 198,319 |
| Independence from Whom | 0 | - | 4.99 | 211,491 |
| Subdivisions by Country | 0 | - | 4.86 | 50,317 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,836 |
| Megadiverse Countries | 0 | - | 4.96 | 134,815 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,646 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,215 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,791 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,035 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,795 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,422 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,266 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,067 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,884 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,524 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,011 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,144 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,752 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,030 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,823 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,191 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,367 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,384 |
| World Map Quiz | 0 | - | 4.81 | 64,704 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,613 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,916 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,106 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,642 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,010 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,737 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,542 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,603 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,755 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,892 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,307 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,346 |
| Widest Countries East to West | 0 | - | 4.92 | 129,437 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,402 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,045 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,022 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,572 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,307 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,623 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,271 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,739 |
| Countries with Double Letters | 0 | - | 4.97 | 95,209 |
| Countries that End in N | 0 | - | 4.95 | 170,210 |
| Countries with Five Letters | 0 | - | 4.96 | 280,886 |
| Countries with Six Letters | 0 | - | 4.94 | 212,648 |
| Countries with W | 0 | - | 4.97 | 159,602 |
| Countries with Z | 0 | - | 4.98 | 290,189 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,848 |
| Countries That End in U | 0 | - | 4.95 | 120,449 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,863 |
| Countries that End in O | 0 | - | 4.92 | 159,240 |
| Countries that End in R | 0 | - | 4.87 | 118,761 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,538 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,457 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,205 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,144 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,740 |
| Countries That End in Y | 0 | - | 4.91 | 185,675 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,374 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,507 |
| Countries that End in I | 0 | - | 4.94 | 134,905 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,376 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,615 |
| Countries That End in NIA | 0 | - | 4.92 | 109,558 |
| Countries That End in BIA | 0 | - | 4.93 | 148,906 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,803 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,127 |
| Countries That End in RIA | 0 | - | 4.93 | 126,582 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,714 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,894 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,322 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,700 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,227 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,377 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,732 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,304 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,214 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,233 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,910 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,629 |
| Countries that End in L | 0 | - | 4.94 | 156,586 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,349 |
