| Name a Valid Country #1 | 0 | - | 4.99 | 245,298 |
| Name a Valid Country #2 | 0 | - | 4.98 | 209,657 |
| Name a Valid Country #4 | 0 | - | 4.97 | 217,558 |
| Name a Valid Country #5 | 0 | - | 4.99 | 173,275 |
| Random Name a Valid Country | 0 | - | 4.99 | 190,010 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 299,521 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 219,262 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 209,772 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 178,640 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 113,344 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,684,043 |
| Word Scramble - Countries | 0 | - | 4.85 | 2,004,606 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 407,314 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 145,681 |
| Solve the Secret Country #2 | 0 | - | 4.88 | 101,432 |
| Anagram Chain - Countries | 0 | - | 4.99 | 105,862 |
| Countries with Four Letters | 0 | - | 4.99 | 385,001 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 53,404 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 374,372 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 83,772 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 170,248 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 155,400 |
| Country Chain | 0 | - | 4.96 | 206,675 |
| Countries by Emojis | 0 | - | 4.99 | 218,861 |
| Countries With One Word And Two O's | 0 | - | 4.95 | 50,547 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,338,341 |
| Islands by Country #1 | 0 | - | 4.87 | 168,605 |
| Regions of Countries #1 | 0 | - | 4.96 | 154,322 |
| Regions of Countries #2 | 0 | - | 4.95 | 118,792 |
| Regions of Countries #3 | 0 | - | 4.85 | 86,848 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,412,415 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 196,547 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,702 |
| Himalayan Countries | 0 | - | 4.95 | 118,782 |
| Andean Countries | 0 | - | 4.92 | 66,542 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,631 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,167 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,488 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,216 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,911 |
| Danube Countries | 0 | - | 4.97 | 59,895 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,599 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,950 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,407 |
| Countries with the Worst Passports | 0 | - | 4.92 | 60,905 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,580 |
| European Landlocked Countries | 0 | - | 4.99 | 139,838 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,423 |
| Countries with the Most Species | 0 | - | 4.99 | 91,735 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,894 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,311 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,432 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,791 |
| Countries that Use the Peso | 0 | - | 4.84 | 48,927 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,354 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,797 |
| Countries in the Alps | 0 | - | 4.86 | 108,710 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,752 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,937 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,676 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,593 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,555 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,142 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,032 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,091 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,402 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,012 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,156 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,737 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,611 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,391 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,103 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,749 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,120 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,166 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,111 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,183 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,790 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,459 |
| Largest Countries By Category | 0 | - | 4.97 | 150,068 |
| Countries by Countries | 0 | - | 4.96 | 57,774 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,274 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,349 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,036 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,907 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 356,955 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 377,928 |
| Island Countries Quiz | 0 | - | 4.99 | 685,834 |
| Biggest Countries by Area | 0 | - | 5.00 | 980,103 |
| Northernmost Countries | 0 | - | 4.99 | 340,046 |
| Countries of South America | 0 | - | 5.00 | 849,678 |
| Countries of Oceania | 0 | - | 5.00 | 960,517 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,700,348 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 171,328 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.92 | 83,521 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,370 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 107,199 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 84,924 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,227,926 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.92 | 41,143 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.90 | 91,961 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 120,799 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 98,814 |
| Random Countries by Borders | 0 | - | 4.99 | 70,363 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,496 |
| Countries with Megacities | 0 | - | 4.99 | 214,541 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,311 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,939 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 105,486 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,670 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,300 |
| Countries by Official Language | 0 | - | 4.95 | 182,195 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 279,425 |
| Countries in their Native Language | 0 | - | 4.98 | 187,116 |
| Independence from Whom | 0 | - | 4.99 | 197,548 |
| Subdivisions by Country | 0 | - | 4.86 | 48,179 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 121,964 |
| Megadiverse Countries | 0 | - | 4.96 | 129,871 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 119,899 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,182 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,097 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 154,046 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,851 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 84,972 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,360 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,605 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,111 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,832 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,168 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,333 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,696 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 71,584 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 67,968 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 95,729 |
| World Map Quiz | 0 | - | 4.88 | 56,319 |
| Category Elimination - Countries #5 | 0 | - | 4.75 | 135,330 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.49 | 67,157 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 116,028 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 131,348 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,827 |
| Countries by Founding Story | 0 | - | 4.94 | 71,819 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,651 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,493 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 114,994 |
| Countries With the Most Languages | 0 | - | 4.88 | 186,887 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,807 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,548 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,232 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,688 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,819 |
| Widest Countries East to West | 0 | - | 4.92 | 123,730 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,943 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,306 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,055 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,568 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,110 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,554 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,776 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,320 |
| Countries with Double Letters | 0 | - | 4.96 | 80,030 |
| Countries that End in N | 0 | - | 4.93 | 144,252 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 243,101 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,456 |
| Countries with W | 0 | - | 4.97 | 131,908 |
| Countries with Z | 0 | - | 4.98 | 273,592 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,199 |
| Countries That End in U | 0 | - | 4.95 | 113,261 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,705 |
| Countries that End in O | 0 | - | 4.92 | 152,944 |
| Countries that End in R | 0 | - | 4.84 | 99,404 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,416 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,298 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,276 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,057 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,567 |
| Countries That End in Y | 0 | - | 4.91 | 181,190 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,749 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,525 |
| Countries that End in I | 0 | - | 4.92 | 116,995 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,186 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,508 |
| Countries That End in NIA | 0 | - | 4.92 | 104,530 |
| Countries That End in BIA | 0 | - | 4.92 | 141,586 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,071 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 113,961 |
| Countries That End in RIA | 0 | - | 4.89 | 104,865 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,049 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 213,015 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 126,068 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 117,749 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 83,761 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 47,837 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 96,909 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,055 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 45,733 |
| Countries with the Word "And" | 0 | - | 4.98 | 88,898 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 46,649 |
| Countries that End in L | 0 | - | 4.94 | 151,003 |
| "Land" Countries | 0 | - | 4.98 | 298,404 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 195,778 |