| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,177 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,364 |
| One Border Countries | 0 | - | 4.98 | 464,651 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,802,431 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,900 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,064 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,676 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,382 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,127 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,652 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 310,656 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,354 |
| Largest Countries with No Borders | 0 | - | 4.97 | 220,101 |
| Countries with Two Borders | 0 | - | 4.99 | 148,432 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,502 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,337 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,275 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,742 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,195 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,548 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,568 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,598 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,457 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,947,778 |
| Landlocked Countries | 0 | - | 4.99 | 413,911 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,948 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,651 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,178 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,408 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,017 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,649 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,714 |
| Himalayan Countries | 0 | - | 4.95 | 135,472 |
| Andean Countries | 0 | - | 4.94 | 82,876 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,265 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,277 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,957 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,646 |
| Danube Countries | 0 | - | 4.97 | 71,107 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,802 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,568 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,548 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,461 |
| European Landlocked Countries | 0 | - | 4.99 | 145,789 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,253 |
| Countries with the Most Species | 0 | - | 4.99 | 95,259 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,396 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,207 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,380 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,974 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,595 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,974 |
| Countries in the Alps | 0 | - | 4.86 | 116,877 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,598 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,315 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,034 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,448 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,208 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,032 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,612 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,782 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,413 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,096 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,205 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,056 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,472 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,783 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,775 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,141 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,681 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,275 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,811 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,481 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,777 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,620 |
| Largest Countries By Category | 0 | - | 4.97 | 156,817 |
| Countries by Countries | 0 | - | 4.96 | 62,289 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 96,728 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,797 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,149 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,932 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,844 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,763 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,250 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,687 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,382 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,491 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,221 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,032 |
| Island Countries | 0 | - | 4.99 | 707,745 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,909 |
| Northernmost Countries | 0 | - | 4.99 | 357,912 |
| Countries of South America | 0 | - | 5.00 | 915,351 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,250 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,608 |
| "Land" Countries | 0 | - | 4.98 | 333,731 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,229 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,697 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,706 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,212 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 171,511 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,988 |
| Random Countries by Borders | 0 | - | 4.99 | 81,704 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,478 |
| Countries with Megacities | 0 | - | 4.99 | 247,311 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,311 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,108 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,738 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,037 |
| Countries by Official Language | 0 | - | 4.95 | 192,836 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,208 |
| Countries in their Native Language | 0 | - | 4.99 | 196,701 |
| Independence from Whom | 0 | - | 4.99 | 209,786 |
| Subdivisions by Country | 0 | - | 4.86 | 50,082 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,820 |
| Megadiverse Countries | 0 | - | 4.97 | 133,929 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,871 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,933 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,441 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,868 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,706 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,028 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,101 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,228 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,752 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,651 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,441 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,516 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,519 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,706 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,039 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,673 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,425 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,050 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,982 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,861 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,901 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,098 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,307 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,961 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,355 |
| Widest Countries East to West | 0 | - | 4.92 | 128,632 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,220 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,268 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,586 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,715 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,665 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,084 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,057 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,594 |
| Countries with Double Letters | 0 | - | 4.96 | 93,444 |
| Countries that End in N | 0 | - | 4.94 | 156,949 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,756 |
| Countries with Six Letters | 0 | - | 4.93 | 210,419 |
| Countries with W | 0 | - | 4.97 | 158,272 |
| Countries with Z | 0 | - | 4.98 | 287,950 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,597 |
| Countries That End in U | 0 | - | 4.95 | 119,540 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,640 |
| Countries that End in O | 0 | - | 4.92 | 158,578 |
| Countries that End in R | 0 | - | 4.87 | 118,293 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,870 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,147 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,377 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,527 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,067 |
| Countries That End in Y | 0 | - | 4.90 | 185,223 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,429 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,726 |
| Countries that End in I | 0 | - | 4.94 | 134,447 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,260 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,219 |
| Countries That End in NIA | 0 | - | 4.92 | 109,030 |
| Countries That End in BIA | 0 | - | 4.92 | 147,741 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,110 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,516 |
| Countries That End in RIA | 0 | - | 4.93 | 126,107 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,041 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,250 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,547 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,916 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,398 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,948 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,154 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,681 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,827 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,856 |
| Countries that End in L | 0 | - | 4.94 | 155,770 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,416 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,997 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,537 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,332 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,449 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,218 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,173 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 127,392 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,257 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,467 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,574 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,645 |
