| Solve the Secret Country #1 | 0 | - | 4.94 | 167,078 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,117 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,282 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,108,680 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,641,214 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,381 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,708,572 |
| Landlocked Countries | 0 | - | 4.99 | 423,544 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,303 |
| Countries with Four Letters | 0 | - | 4.99 | 424,522 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,790,041 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,229 |
| Himalayan Countries | 0 | - | 4.94 | 139,414 |
| Andean Countries | 0 | - | 4.94 | 84,984 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,196 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,368 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,757 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,076 |
| Danube Countries | 0 | - | 4.97 | 72,183 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,264 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,591 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,646 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,153 |
| European Landlocked Countries | 0 | - | 4.99 | 147,337 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,920 |
| Countries with the Most Species | 0 | - | 4.99 | 103,393 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,066 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,669 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,779 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,473 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,661 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,858 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,418 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,822 |
| Countries in the Alps | 0 | - | 4.87 | 118,446 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,968 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,394 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,790 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,781 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,704 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,082 |
| Country Chain | 0 | - | 4.96 | 217,899 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,878 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,644 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,282 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,999 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,750 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,618 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,363 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,615 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,686 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,295 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,449 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,086 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,313 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,780 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,580 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,358 |
| Largest Countries By Category | 0 | - | 4.97 | 158,507 |
| Countries by Emojis | 0 | - | 4.99 | 241,013 |
| Countries by Countries | 0 | - | 4.96 | 63,417 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,310 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,511 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,950 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,339 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,606 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,863 |
| Islands by Country #1 | 0 | - | 4.90 | 175,762 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,915 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,275 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,003 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,000 |
| Name a Valid Country #3 | 0 | - | 4.99 | 264,219 |
| Name a Valid Country #1 | 0 | - | 4.99 | 292,509 |
| Name a Valid Country #2 | 0 | - | 4.98 | 252,231 |
| Name a Valid Country #4 | 0 | - | 4.97 | 257,317 |
| Name a Valid Country #5 | 0 | - | 4.99 | 208,306 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,455 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 735,675 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,973 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,014 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,362 |
| Island Countries | 0 | - | 4.99 | 711,632 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,995 |
| Northernmost Countries | 0 | - | 4.99 | 362,859 |
| Countries of South America | 0 | - | 5.00 | 929,587 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,686 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,882,359 |
| "Land" Countries | 0 | - | 4.98 | 337,791 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,415 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,500 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,454 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,952 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,720 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,749 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,131 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,458 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,246 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,301 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,029 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,443 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,653 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,367 |
| Random Countries by Borders | 0 | - | 4.99 | 82,821 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,816 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,369 |
| Countries with Megacities | 0 | - | 4.99 | 265,682 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,160 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,718 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,432 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,794 |
| Countries by Official Language | 0 | - | 4.95 | 195,575 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,843 |
| Countries in their Native Language | 0 | - | 4.99 | 199,358 |
| Independence from Whom | 0 | - | 4.99 | 212,485 |
| Subdivisions by Country | 0 | - | 4.87 | 50,515 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,020 |
| Megadiverse Countries | 0 | - | 4.96 | 135,137 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,372 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,442 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,327 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,155 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,331 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,679 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,688 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,454 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,732 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,200 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,031 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,992 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,305 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,041 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,464 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,585 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,718 |
| World Map Quiz | 0 | - | 4.81 | 65,320 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,105 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,511 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,535 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,572 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,249 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,842 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,137 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,259 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,486 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,548 |
| Tallest Countries North to South | 0 | - | 4.83 | 126,297 |
| Widest Countries East to West | 0 | - | 4.92 | 130,026 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,506 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,978 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,424 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,894 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,777 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,039 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,439 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,836 |
| Countries with Double Letters | 0 | - | 4.96 | 96,603 |
| Countries that End in N | 0 | - | 4.95 | 171,493 |
| Countries with Five Letters | 0 | - | 4.96 | 283,092 |
| Countries with Six Letters | 0 | - | 4.94 | 213,956 |
| Countries with W | 0 | - | 4.96 | 160,582 |
| Countries with Z | 0 | - | 4.98 | 291,871 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,958 |
| Countries That End in U | 0 | - | 4.95 | 120,992 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,743 |
| Countries that End in O | 0 | - | 4.92 | 159,647 |
| Countries that End in R | 0 | - | 4.87 | 119,057 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,816 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,413 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,894 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,628 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,548 |
| Countries That End in Y | 0 | - | 4.91 | 185,977 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,148 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,042 |
| Countries that End in I | 0 | - | 4.94 | 135,198 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,336 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,916 |
| Countries That End in NIA | 0 | - | 4.92 | 109,889 |
| Countries That End in BIA | 0 | - | 4.93 | 149,369 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,295 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,582 |
| Countries That End in RIA | 0 | - | 4.93 | 126,925 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,179 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,009 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,921 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,358 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,898 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,668 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,164 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,481 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,680 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,532 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,479 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,173 |
| Countries that End in L | 0 | - | 4.94 | 156,967 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,539 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,302 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,133 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,063 |
