| Name a Valid Country #1 | 0 | - | 4.99 | 286,249 |
| Name a Valid Country #2 | 0 | - | 4.98 | 248,421 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,531 |
| Name a Valid Country #5 | 0 | - | 4.99 | 202,889 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,915 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,275 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,466 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,609 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,019 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,951 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,601,076 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,114,603 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,093,277 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,755 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,164 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,986 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,717 |
| Countries with Four Letters | 0 | - | 4.99 | 419,974 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,514 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,718 |
| Landlocked Countries | 0 | - | 4.99 | 416,018 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,285 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,820 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,936 |
| Country Chain | 0 | - | 4.96 | 216,311 |
| Countries by Emojis | 0 | - | 4.99 | 237,606 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,378 |
| Islands by Country #1 | 0 | - | 4.87 | 174,753 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,128 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,480 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,468 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,736,227 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,749 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 715,355 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,611 |
| Himalayan Countries | 0 | - | 4.95 | 136,232 |
| Andean Countries | 0 | - | 4.95 | 83,315 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,599 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,816 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,305 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,924 |
| Danube Countries | 0 | - | 4.97 | 71,332 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,112 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,788 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,018 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,971 |
| European Landlocked Countries | 0 | - | 4.99 | 146,048 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,658 |
| Countries with the Most Species | 0 | - | 4.99 | 97,245 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,797 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,296 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,472 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,113 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,760 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,129 |
| Countries in the Alps | 0 | - | 4.86 | 117,248 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,836 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,749 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,210 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,662 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,548 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,204 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,906 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,949 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,750 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,283 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,323 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,181 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,673 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,936 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,942 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,606 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,850 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,384 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,128 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,667 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,412 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,780 |
| Largest Countries By Category | 0 | - | 4.97 | 157,173 |
| Countries by Countries | 0 | - | 4.96 | 62,527 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,785 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,059 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,398 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,031 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,385 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,530 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,242 |
| Island Countries | 0 | - | 4.99 | 708,595 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,628 |
| Northernmost Countries | 0 | - | 4.99 | 359,063 |
| Countries of South America | 0 | - | 5.00 | 918,802 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,615 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,568 |
| "Land" Countries | 0 | - | 4.98 | 334,275 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,808 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,648 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,676 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,478 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,067 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,891 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,109 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,861 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,026 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,029 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,775 |
| Random Countries by Borders | 0 | - | 4.99 | 81,892 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,117 |
| Countries with Megacities | 0 | - | 4.99 | 248,622 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,986 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,459 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,366 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,414 |
| Countries by Official Language | 0 | - | 4.95 | 193,785 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,274 |
| Countries in their Native Language | 0 | - | 4.99 | 197,435 |
| Independence from Whom | 0 | - | 4.99 | 210,397 |
| Subdivisions by Country | 0 | - | 4.86 | 50,169 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,217 |
| Megadiverse Countries | 0 | - | 4.96 | 134,497 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,640 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,056 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,594 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,934 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,078 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,176 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,472 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,503 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,333 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,068 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,555 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,650 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,622 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,826 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,162 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,349 |
| World Map Quiz | 0 | - | 4.81 | 63,938 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,654 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,673 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 136,028 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,036 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,649 |
| Countries by Founding Story | 0 | - | 4.95 | 76,815 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,947 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,605 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,325 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,536 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,192 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,391 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,572 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,112 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,597 |
| Widest Countries East to West | 0 | - | 4.92 | 129,093 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,307 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,575 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,738 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,918 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,919 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,304 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,978 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,657 |
| Countries with Double Letters | 0 | - | 4.96 | 93,818 |
| Countries that End in N | 0 | - | 4.94 | 157,252 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,214 |
| Countries with Six Letters | 0 | - | 4.93 | 210,848 |
| Countries with W | 0 | - | 4.97 | 158,505 |
| Countries with Z | 0 | - | 4.98 | 288,401 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,855 |
| Countries That End in U | 0 | - | 4.95 | 119,665 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,001 |
| Countries that End in O | 0 | - | 4.92 | 158,697 |
| Countries that End in R | 0 | - | 4.87 | 118,414 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,968 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,571 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,635 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,721 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,289 |
| Countries That End in Y | 0 | - | 4.90 | 185,325 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,738 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,997 |
| Countries that End in I | 0 | - | 4.94 | 134,594 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,597 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,358 |
| Countries That End in NIA | 0 | - | 4.92 | 109,224 |
| Countries That End in BIA | 0 | - | 4.93 | 148,456 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,341 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,704 |
| Countries That End in RIA | 0 | - | 4.93 | 126,258 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,249 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,917 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,767 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,125 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,675 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,072 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,357 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,877 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,764 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,943 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,432 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,097 |