| Regions of Countries #1 | 0 | - | 4.96 | 159,705 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,092 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,855 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,239 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,634,689 |
| Islands by Country #2 | 0 | - | 4.80 | 77,572 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,614,599 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,106,120 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,656 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,523 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,041 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,869 |
| Countries with Four Letters | 0 | - | 4.99 | 423,505 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,063 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,991 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,142 |
| Landlocked Countries | 0 | - | 4.99 | 422,378 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,430 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,134 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,452 |
| Country Chain | 0 | - | 4.96 | 217,698 |
| Countries by Emojis | 0 | - | 4.99 | 240,532 |
| African Island Countries | 0 | - | 4.96 | 101,904 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,142 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,867 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,670 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,759 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,483 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,602 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,751 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,760 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,026 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 723,085 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,719 |
| Himalayan Countries | 0 | - | 4.95 | 138,916 |
| Andean Countries | 0 | - | 4.93 | 84,730 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,935 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,994 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,548 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,883 |
| Danube Countries | 0 | - | 4.97 | 72,072 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,090 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,474 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,395 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,885 |
| European Landlocked Countries | 0 | - | 4.99 | 147,197 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,726 |
| Countries with the Most Species | 0 | - | 4.99 | 103,280 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,842 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,617 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,739 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,576 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,268 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,711 |
| Countries in the Alps | 0 | - | 4.87 | 118,273 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,375 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,114 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,694 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,636 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,560 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,985 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,722 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,546 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,203 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,895 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,680 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,549 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,261 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,515 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,573 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,001 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,346 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,267 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,142 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,135 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,244 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,268 |
| Largest Countries By Category | 0 | - | 4.97 | 158,286 |
| Countries by Countries | 0 | - | 4.96 | 63,279 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,747 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,712 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,903 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,627 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,588 |
| Island Countries | 0 | - | 4.99 | 711,183 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,357 |
| Northernmost Countries | 0 | - | 4.99 | 362,151 |
| Mountains by Country | 0 | - | 4.56 | 81,850 |
| Countries of South America | 0 | - | 5.00 | 927,939 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,666 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,570 |
| "Land" Countries | 0 | - | 4.98 | 337,452 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,204 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,370 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,302 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,876 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,623 |
| Richest Island Countries | 0 | - | 4.85 | 100,819 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,650 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,980 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,369 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,775 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,684 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,692 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,171 |
| Movies by Country Quiz #1 | 0 | - | 4.17 | 53,378 |
| Movies by Country #2 | 0 | - | 4.20 | 45,768 |
| Musical Acts by Country #2 | 0 | - | 4.35 | 32,099 |
| Random Countries by Borders | 0 | - | 4.99 | 82,683 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,489 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,009 |
| Countries with Megacities | 0 | - | 4.99 | 264,832 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,838 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,530 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,096 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,609 |
| Countries by Official Language | 0 | - | 4.95 | 195,325 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,490 |
| Countries in their Native Language | 0 | - | 4.99 | 199,122 |
| Independence from Whom | 0 | - | 4.99 | 212,194 |
| Subdivisions by Country | 0 | - | 4.87 | 50,444 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,801 |
| Megadiverse Countries | 0 | - | 4.96 | 135,051 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,172 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,381 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,257 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,121 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,183 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,618 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,527 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,057 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,680 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,160 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,752 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,912 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,228 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,988 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,375 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,514 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,300 |
| World Map Quiz | 0 | - | 4.81 | 65,147 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,732 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,485 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,390 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,167 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,323 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,032 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,314 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,933 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,049 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,331 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,469 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,602 |
| Widest Countries East to West | 0 | - | 4.92 | 129,690 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,465 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,428 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,136 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,795 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,626 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,908 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,387 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,808 |
| Inventions by Country #1 | 0 | - | 4.47 | 55,094 |
| Airlines by Country | 0 | - | 4.52 | 135,555 |
| Countries with Double Letters | 0 | - | 4.96 | 96,308 |
| Countries that End in N | 0 | - | 4.95 | 171,205 |
| Countries with Five Letters | 0 | - | 4.96 | 282,640 |
| Countries with Six Letters | 0 | - | 4.94 | 213,641 |
| Countries with W | 0 | - | 4.97 | 160,387 |
| Countries with Z | 0 | - | 4.98 | 291,555 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,759 |
| Countries That End in U | 0 | - | 4.95 | 120,877 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,519 |
| Countries that End in O | 0 | - | 4.92 | 159,535 |
| Countries that End in R | 0 | - | 4.87 | 118,981 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,752 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,165 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,731 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,500 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,421 |
| Countries That End in Y | 0 | - | 4.91 | 185,896 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,978 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,894 |
| Countries that End in I | 0 | - | 4.94 | 135,117 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,150 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,840 |
| Countries That End in NIA | 0 | - | 4.92 | 109,807 |
| Countries That End in BIA | 0 | - | 4.93 | 149,237 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,147 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,450 |
| Countries That End in RIA | 0 | - | 4.93 | 126,828 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,044 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,709 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,751 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,172 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,731 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,594 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,056 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,457 |
