| Name a Valid Country #1 | 0 | - | 4.99 | 296,474 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,788 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,774 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,590 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,812 |
| Random Name a Valid Country | 0 | - | 4.99 | 207,002 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,606 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,780 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,588 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,154 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,438 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,662,644 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,011,300 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,129,518 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,316 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,907 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 121,056 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,034 |
| Countries with Four Letters | 0 | - | 4.99 | 426,713 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,461 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,330 |
| Landlocked Countries | 0 | - | 4.99 | 427,764 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,788 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,433 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,793 |
| Country Chain | 0 | - | 4.96 | 218,741 |
| Countries by Emojis | 0 | - | 4.99 | 243,013 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,766 |
| Islands by Country #1 | 0 | - | 4.90 | 176,924 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,397 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,713 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,513 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,039 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,704 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,985 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,157 |
| Himalayan Countries | 0 | - | 4.93 | 141,040 |
| Andean Countries | 0 | - | 4.94 | 85,911 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,022 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,649 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,571 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,770 |
| Danube Countries | 0 | - | 4.97 | 72,613 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,883 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,027 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,548 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,020 |
| European Landlocked Countries | 0 | - | 4.99 | 147,826 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,613 |
| Countries with the Most Species | 0 | - | 4.99 | 103,674 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,724 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,835 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,978 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,965 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,711 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,179 |
| Countries in the Alps | 0 | - | 4.87 | 119,058 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,137 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,264 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,097 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,225 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,198 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,434 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,648 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,038 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,541 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,356 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,983 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,855 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,712 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,967 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,068 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,276 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,771 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,818 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,915 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,591 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,653 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,645 |
| Largest Countries By Category | 0 | - | 4.97 | 159,201 |
| Countries by Countries | 0 | - | 4.97 | 63,862 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,535 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,461 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,720 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,301 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,085 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,205 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,681 |
| Island Countries | 0 | - | 4.99 | 713,240 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,806 |
| Northernmost Countries | 0 | - | 4.99 | 364,865 |
| Countries of South America | 0 | - | 5.00 | 935,005 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,427 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,899 |
| "Land" Countries | 0 | - | 4.98 | 339,191 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,974 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,873 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,822 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,249 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,071 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,649 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,775 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,947 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 142,179 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,672 |
| Random Countries by Borders | 0 | - | 4.99 | 83,243 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,673 |
| Countries with Megacities | 0 | - | 4.99 | 268,208 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,309 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,418 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,651 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,537 |
| Countries by Official Language | 0 | - | 4.95 | 196,343 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,102 |
| Countries in their Native Language | 0 | - | 4.99 | 200,055 |
| Independence from Whom | 0 | - | 4.99 | 213,558 |
| Subdivisions by Country | 0 | - | 4.87 | 50,683 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,763 |
| Megadiverse Countries | 0 | - | 4.96 | 149,811 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,226 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,596 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,859 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,273 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,561 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,965 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,382 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,660 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,221 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,301 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,910 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,526 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,532 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,253 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,677 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,016 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,912 |
| World Map Quiz | 0 | - | 4.81 | 65,988 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,651 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,649 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,624 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,207 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,865 |
| Countries by Founding Story | 0 | - | 4.95 | 77,953 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,648 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,301 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,768 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,079 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,621 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,742 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,908 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,788 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,021 |
| Widest Countries East to West | 0 | - | 4.92 | 130,912 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,640 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,477 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,589 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,202 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,500 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,660 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,550 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,934 |
| Countries with Double Letters | 0 | - | 4.96 | 97,798 |
| Countries that End in N | 0 | - | 4.95 | 172,796 |
| Countries with Five Letters | 0 | - | 4.96 | 284,855 |
| Countries with Six Letters | 0 | - | 4.94 | 215,129 |
| Countries with W | 0 | - | 4.96 | 161,435 |
| Countries with Z | 0 | - | 4.98 | 293,186 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,809 |
| Countries That End in U | 0 | - | 4.95 | 121,460 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,560 |
| Countries that End in O | 0 | - | 4.92 | 160,427 |
| Countries that End in R | 0 | - | 4.87 | 119,317 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,090 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,271 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,718 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,303 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,981 |
| Countries That End in Y | 0 | - | 4.91 | 186,210 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,527 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,491 |
| Countries that End in I | 0 | - | 4.94 | 135,462 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,465 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,186 |
| Countries That End in NIA | 0 | - | 4.92 | 110,201 |
| Countries That End in BIA | 0 | - | 4.93 | 149,795 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 168,007 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,956 |
| Countries That End in RIA | 0 | - | 4.93 | 127,200 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,597 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,087 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,474 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 126,935 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,492 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,962 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,524 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,625 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,125 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,773 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,978 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,693 |
