| Top Five Countries By Category #1 | 0 | - | 4.99 | 415,426 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 174,974 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 159,909 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 172,840 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.92 | 84,577 |
| Word Scramble - Countries | 0 | - | 4.85 | 2,021,051 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 149,809 |
| Solve the Secret Country #2 | 0 | - | 4.88 | 104,733 |
| Anagram Chain - Countries | 0 | - | 4.99 | 108,216 |
| Countries with Four Letters | 0 | - | 4.99 | 405,386 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 55,581 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,333,069 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.77 | 63,406 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 382,815 |
| Country Chain | 0 | - | 4.96 | 208,502 |
| Countries by Emojis | 0 | - | 4.99 | 222,074 |
| Countries With One Word And Two O's | 0 | - | 4.95 | 51,449 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,407,236 |
| Islands by Country #1 | 0 | - | 4.87 | 169,860 |
| Regions of Countries #1 | 0 | - | 4.97 | 155,624 |
| Regions of Countries #2 | 0 | - | 4.95 | 119,793 |
| Regions of Countries #3 | 0 | - | 4.83 | 87,787 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,475,978 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 200,364 |
| Name a Valid Country #3 | 0 | - | 4.98 | 226,025 |
| Name a Valid Country #1 | 0 | - | 4.99 | 249,696 |
| Name a Valid Country #2 | 0 | - | 4.98 | 213,585 |
| Name a Valid Country #4 | 0 | - | 4.97 | 221,149 |
| Name a Valid Country #5 | 0 | - | 4.99 | 176,025 |
| Name a Valid Country #6 | 0 | - | 4.94 | 114,265 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,572 |
| Himalayan Countries | 0 | - | 4.94 | 122,232 |
| Andean Countries | 0 | - | 4.93 | 68,680 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,662 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,064 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,893 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,297 |
| Danube Countries | 0 | - | 4.97 | 60,834 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,858 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,887 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,577 |
| Countries with the Worst Passports | 0 | - | 4.92 | 67,599 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,207 |
| European Landlocked Countries | 0 | - | 4.99 | 141,010 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,076 |
| Countries with the Most Species | 0 | - | 4.99 | 92,334 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,465 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,689 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,784 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,573 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,348 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,945 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,637 |
| Countries in the Alps | 0 | - | 4.86 | 110,436 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,718 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,802 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,388 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,736 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,632 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,950 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 95,000 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,846 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,962 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,787 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,722 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,258 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,096 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,160 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,839 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,522 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,999 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,797 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 106,452 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,734 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,092 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,117 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,099 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 107,779 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 85,759 |
| Largest Countries By Category | 0 | - | 4.97 | 151,380 |
| Countries by Countries | 0 | - | 4.96 | 58,462 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.92 | 42,530 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 92,699 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 303,123 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 221,957 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 212,741 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 181,062 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,085 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 114,968 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,664 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,330 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,948 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 99,402 |
| Random Countries by Borders | 0 | - | 4.99 | 71,073 |
| Random Name a Valid Country | 0 | - | 4.99 | 194,229 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,256 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,407 |
| Island Countries Quiz | 0 | - | 4.99 | 690,908 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,258,581 |
| Biggest Countries by Area | 0 | - | 5.00 | 989,970 |
| Northernmost Countries | 0 | - | 4.99 | 342,772 |
| Countries of South America | 0 | - | 5.00 | 863,284 |
| Countries of Oceania | 0 | - | 5.00 | 976,123 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,731,779 |
| World Map with 10 Random Extra Borders | 0 | - | 4.96 | 356,371 |
| Countries that Produce the Most Beer | 0 | - | 4.88 | 123,538 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 119,203 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,382,052 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,932 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,987 |
| Countries with Megacities | 0 | - | 4.99 | 218,232 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,847 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,298 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,743 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,294 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,047 |
| Countries by Official Language | 0 | - | 4.95 | 184,163 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,202 |
| Countries in their Native Language | 0 | - | 4.98 | 188,946 |
| Independence from Whom | 0 | - | 4.99 | 199,951 |
| Subdivisions by Country | 0 | - | 4.86 | 48,538 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,815 |
| Megadiverse Countries | 0 | - | 4.96 | 130,518 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,228 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,847 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,340 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,502 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,499 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,861 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,336 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,458 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,427 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,568 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,892 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,993 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,235 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,188 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,654 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,280 |
| World Map Quiz | 0 | - | 4.88 | 57,756 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,243 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,789 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,702 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,810 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,649 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,407 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,578 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,645 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,652 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,407 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,661 |
| Widest Countries East to West | 0 | - | 4.92 | 124,810 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,208 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 180,116 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,485 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,326 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,492 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,401 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,047 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,571 |
| Countries with Double Letters | 0 | - | 4.96 | 82,446 |
| Countries that End in N | 0 | - | 4.93 | 146,363 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 246,332 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,744 |
| Countries with W | 0 | - | 4.97 | 149,697 |
| Countries with Z | 0 | - | 4.98 | 276,264 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,652 |
| Countries That End in U | 0 | - | 4.95 | 114,449 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 100,753 |
| Countries that End in O | 0 | - | 4.91 | 154,534 |
| Countries that End in R | 0 | - | 4.84 | 100,031 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,009 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,324 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,466 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,950 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,713 |
| Countries That End in Y | 0 | - | 4.91 | 182,204 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,398 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,638 |
| Countries that End in I | 0 | - | 4.92 | 117,511 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,533 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,279 |
| Countries That End in NIA | 0 | - | 4.92 | 105,199 |
| Countries That End in BIA | 0 | - | 4.92 | 142,851 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,372 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,865 |
| Countries That End in RIA | 0 | - | 4.89 | 105,566 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 106,012 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,546 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,399 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,246 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 85,086 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,276 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,706 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,208 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,116 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,337 |
| Countries with the Word "And" | 0 | - | 4.98 | 89,968 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 47,898 |
| Countries that End in L | 0 | - | 4.94 | 151,901 |
