| Name a Valid Country #1 | 0 | - | 4.99 | 295,055 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,027 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,044 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,918 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,914 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,546 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,647 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,082 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,027 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,649 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,975 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,650,965 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,851,325 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,121,140 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,142 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,013 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,265 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,581 |
| Countries with Four Letters | 0 | - | 4.99 | 425,616 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,942 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,821 |
| Landlocked Countries | 0 | - | 4.99 | 425,362 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,523 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,921 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,323 |
| Country Chain | 0 | - | 4.96 | 218,383 |
| Countries by Emojis | 0 | - | 4.99 | 242,000 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,542 |
| Islands by Country #1 | 0 | - | 4.90 | 176,281 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,194 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,512 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,363 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,802,087 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,808 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 741,565 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,059 |
| Himalayan Countries | 0 | - | 4.93 | 140,077 |
| Andean Countries | 0 | - | 4.94 | 85,342 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,490 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,870 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,077 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,346 |
| Danube Countries | 0 | - | 4.97 | 72,333 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,521 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,780 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,021 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,528 |
| European Landlocked Countries | 0 | - | 4.99 | 147,559 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,225 |
| Countries with the Most Species | 0 | - | 4.99 | 103,532 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,350 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,757 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,862 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,808 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,540 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,974 |
| Countries in the Alps | 0 | - | 4.87 | 118,710 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,531 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,777 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,933 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,983 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,904 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,214 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,351 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,816 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,390 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,143 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,838 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,713 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,525 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,748 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,849 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,738 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,577 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,736 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,626 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,527 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,039 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,480 |
| Largest Countries By Category | 0 | - | 4.97 | 158,799 |
| Countries by Countries | 0 | - | 4.96 | 63,600 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,211 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,385 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,657 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,066 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,109 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,567 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,495 |
| Island Countries | 0 | - | 4.99 | 712,419 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,318 |
| Northernmost Countries | 0 | - | 4.99 | 363,822 |
| Countries of South America | 0 | - | 5.00 | 932,129 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,650 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,887,994 |
| "Land" Countries | 0 | - | 4.98 | 338,310 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,682 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,683 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,625 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,065 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,890 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,745 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,398 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,624 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,362 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,503 |
| Random Countries by Borders | 0 | - | 4.99 | 83,055 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,042 |
| Countries with Megacities | 0 | - | 4.99 | 266,913 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,756 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,065 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,074 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,183 |
| Countries by Official Language | 0 | - | 4.95 | 195,939 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,544 |
| Countries in their Native Language | 0 | - | 4.99 | 199,679 |
| Independence from Whom | 0 | - | 4.99 | 212,987 |
| Subdivisions by Country | 0 | - | 4.87 | 50,601 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,387 |
| Megadiverse Countries | 0 | - | 4.96 | 135,259 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,894 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,520 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,530 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,218 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,693 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,823 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,068 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,551 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,916 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,249 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,463 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,355 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,425 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,133 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,563 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,759 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,259 |
| World Map Quiz | 0 | - | 4.81 | 65,642 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,337 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,441 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,870 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,066 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,685 |
| Countries by Founding Story | 0 | - | 4.95 | 77,773 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,185 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,028 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,524 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,472 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,400 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,498 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,693 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,668 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,609 |
| Widest Countries East to West | 0 | - | 4.92 | 130,418 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,588 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,211 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,503 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,038 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,946 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,444 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,488 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,886 |
| Countries with Double Letters | 0 | - | 4.96 | 97,003 |
| Countries that End in N | 0 | - | 4.95 | 171,875 |
| Countries with Five Letters | 0 | - | 4.96 | 283,666 |
| Countries with Six Letters | 0 | - | 4.94 | 214,400 |
| Countries with W | 0 | - | 4.96 | 160,896 |
| Countries with Z | 0 | - | 4.98 | 292,368 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,248 |
| Countries That End in U | 0 | - | 4.95 | 121,166 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,055 |
| Countries that End in O | 0 | - | 4.92 | 160,193 |
| Countries that End in R | 0 | - | 4.87 | 119,162 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,918 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,782 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,114 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,793 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,720 |
| Countries That End in Y | 0 | - | 4.91 | 186,078 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,415 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,246 |
| Countries that End in I | 0 | - | 4.94 | 135,300 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,578 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,037 |
| Countries That End in NIA | 0 | - | 4.92 | 110,029 |
| Countries That End in BIA | 0 | - | 4.93 | 149,556 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,496 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,752 |
| Countries That End in RIA | 0 | - | 4.93 | 127,036 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,365 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,525 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,142 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,578 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,143 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,791 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,305 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,530 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,879 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,640 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,686 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,380 |