| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,097 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,269 |
| One Border Countries | 0 | - | 4.98 | 463,920 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,798,985 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,763 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,784 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,530 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,067 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 118,831 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,471 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 310,282 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,145 |
| Largest Countries with No Borders | 0 | - | 4.97 | 219,468 |
| Countries with Two Borders | 0 | - | 4.99 | 141,146 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,351 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,139 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,095 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,626 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,129 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,448 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,527 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 32,558 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,365 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,879,477 |
| Landlocked Countries | 0 | - | 4.99 | 413,163 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,320 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,502 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,103 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,229 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,826 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,515 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,385 |
| Himalayan Countries | 0 | - | 4.95 | 135,160 |
| Andean Countries | 0 | - | 4.94 | 82,733 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,148 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,082 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,819 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,514 |
| Danube Countries | 0 | - | 4.97 | 71,032 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,695 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,487 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,366 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,282 |
| European Landlocked Countries | 0 | - | 4.99 | 145,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,111 |
| Countries with the Most Species | 0 | - | 4.99 | 95,216 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,261 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,189 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,351 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,928 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,541 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,901 |
| Countries in the Alps | 0 | - | 4.87 | 116,744 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,513 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,158 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,972 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,366 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,098 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,958 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,511 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,712 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,888 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,008 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,179 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,014 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,397 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,702 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,709 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,963 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,595 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,220 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,722 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,006 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,475 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,567 |
| Largest Countries By Category | 0 | - | 4.97 | 156,677 |
| Countries by Countries | 0 | - | 4.96 | 62,212 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 96,530 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,707 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,031 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,852 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,722 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,736 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,211 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 51,637 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,263 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,348 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,962 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,330 |
| Island Countries | 0 | - | 4.99 | 707,398 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,821 |
| Northernmost Countries | 0 | - | 4.99 | 357,450 |
| Countries of South America | 0 | - | 5.00 | 913,937 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,310 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,477 |
| "Land" Countries | 0 | - | 4.98 | 333,510 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,931 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,636 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,415 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,156 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 171,325 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,816 |
| Random Countries by Borders | 0 | - | 4.99 | 81,615 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,960 |
| Countries with Megacities | 0 | - | 4.99 | 246,413 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,874 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,776 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,330 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,732 |
| Countries by Official Language | 0 | - | 4.95 | 192,665 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,986 |
| Countries in their Native Language | 0 | - | 4.99 | 196,530 |
| Independence from Whom | 0 | - | 4.99 | 209,560 |
| Subdivisions by Country | 0 | - | 4.86 | 50,043 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,645 |
| Megadiverse Countries | 0 | - | 4.97 | 133,852 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,708 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,899 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,396 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,847 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,583 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,965 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,671 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,197 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,728 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,460 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,385 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,458 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,476 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,639 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,997 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,420 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,230 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,922 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,885 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,592 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,008 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,213 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,906 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,290 |
| Widest Countries East to West | 0 | - | 4.92 | 128,556 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,201 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,145 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,539 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,652 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,561 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,981 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,042 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,557 |
| Countries with Double Letters | 0 | - | 4.97 | 93,288 |
| Countries that End in N | 0 | - | 4.94 | 156,343 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,563 |
| Countries with Six Letters | 0 | - | 4.93 | 210,255 |
| Countries with W | 0 | - | 4.97 | 158,156 |
| Countries with Z | 0 | - | 4.98 | 287,734 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,470 |
| Countries That End in U | 0 | - | 4.95 | 119,477 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,440 |
| Countries that End in O | 0 | - | 4.92 | 158,506 |
| Countries that End in R | 0 | - | 4.87 | 118,238 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,833 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,922 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,238 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,425 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,737 |
| Countries That End in Y | 0 | - | 4.90 | 185,175 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,258 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,595 |
| Countries that End in I | 0 | - | 4.94 | 134,358 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,094 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,163 |
| Countries That End in NIA | 0 | - | 4.92 | 108,955 |
| Countries That End in BIA | 0 | - | 4.92 | 147,646 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,007 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,436 |
| Countries That End in RIA | 0 | - | 4.93 | 126,041 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,958 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,071 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,474 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,853 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,300 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,900 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,066 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,592 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,792 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,741 |
| Countries that End in L | 0 | - | 4.94 | 155,674 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,904 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,973 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,483 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,258 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,393 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,571 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,009 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,872 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,112 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,303 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,467 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,586 |
