| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,196 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 87,840 |
| One Border Countries | 0 | - | 4.98 | 448,518 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,669,080 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 390,836 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,945,766 |
| Countries by Borders #1 | 0 | - | 5.00 | 189,073 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 302,484 |
| Longest Border by Country #1 | 0 | - | 4.99 | 141,938 |
| Largest Countries with No Borders | 0 | - | 4.97 | 213,029 |
| Countries with Two Borders | 0 | - | 4.99 | 134,047 |
| Countries by Borders #2 | 0 | - | 4.96 | 124,876 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 136,974 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 126,919 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 102,296 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.93 | 91,422 |
| Countries by Borders #3 | 0 | - | 4.99 | 94,909 |
| Bordering Countries Forming Words #1 | 0 | - | 4.91 | 74,573 |
| Longest Border by Country #2 | 0 | - | 4.96 | 118,372 |
| Countries with the Most Borders | 0 | - | 4.97 | 375,691 |
| Sahara Desert Countries | 0 | - | 4.97 | 149,626 |
| Himalayan Countries | 0 | - | 4.94 | 125,772 |
| Andean Countries | 0 | - | 4.93 | 70,790 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,283 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 115,844 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,643 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,740 |
| Danube Countries | 0 | - | 4.97 | 61,800 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,177 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,809 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,646 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 141,276 |
| European Landlocked Countries | 0 | - | 4.99 | 142,197 |
| Partially Recognized Countries | 0 | - | 4.98 | 100,036 |
| Countries with the Most Species | 0 | - | 4.99 | 93,223 |
| Countries 197 to 205 | 0 | - | 4.88 | 64,962 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,130 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,206 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,101 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,620 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,546 |
| Countries in the Alps | 0 | - | 4.86 | 112,152 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,694 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,682 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,116 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 89,845 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 111,830 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,710 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,254 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,567 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,540 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,594 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,775 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,576 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,901 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,554 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,395 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 111,153 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,527 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,432 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,726 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 226,751 |
| World Countries - Blind Typing | 0 | - | 5.00 | 97,841 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,765 |
| Largest Countries By Category | 0 | - | 4.97 | 152,638 |
| Countries by Countries | 0 | - | 4.96 | 59,308 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,454,814 |
| Country Flags with the Most White | 0 | - | 4.85 | 133,381 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,981 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,927 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,531,130 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 31,613 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 82,244 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 111,083 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 102,245 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 108,567 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,009 |
| Countries with the Shortest Total Borders | 0 | - | 4.93 | 100,094 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 122,298 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 50,353 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 77,881 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 363,196 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 387,013 |
| Island Countries Quiz | 0 | - | 4.99 | 695,699 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,007,027 |
| Northernmost Countries | 0 | - | 4.99 | 345,206 |
| Countries of South America | 0 | - | 5.00 | 875,594 |
| Countries of Oceania | 0 | - | 5.00 | 991,539 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,758,420 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 20,466 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,287,929 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,815 |
| Countries with Megacities | 0 | - | 4.99 | 222,434 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,655 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,726 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 128,974 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,138 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 302,513 |
| Countries by Official Language | 0 | - | 4.95 | 186,185 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 284,834 |
| Countries in their Native Language | 0 | - | 4.99 | 190,535 |
| Independence from Whom | 0 | - | 4.99 | 202,690 |
| Subdivisions by Country | 0 | - | 4.85 | 48,979 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 125,780 |
| Megadiverse Countries | 0 | - | 4.97 | 131,312 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 124,147 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,416 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,738 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 73,546 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,595 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 156,975 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,285 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 88,766 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,092 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,649 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 69,763 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,337 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,525 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,012 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 72,741 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,222 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 100,797 |
| World Map Quiz | 0 | - | 4.87 | 59,184 |
| Southernmost Countries of the World | 0 | - | 4.99 | 220,453 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 100,026 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 117,859 |
| Countries With the Most Languages | 0 | - | 4.89 | 192,088 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 97,859 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 89,668 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 94,857 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,041 |
| Tallest Countries North to South | 0 | - | 4.84 | 116,659 |
| Widest Countries East to West | 0 | - | 4.92 | 125,798 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,445 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 181,635 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,006 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 91,197 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 126,326 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,168 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,301 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,841 |
| Countries with Double Letters | 0 | - | 4.97 | 86,111 |
| Countries that End in N | 0 | - | 4.94 | 149,599 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 250,127 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 203,708 |
| Countries with W | 0 | - | 4.97 | 152,740 |
| Countries with Z | 0 | - | 4.98 | 279,710 |
| Countries with Letters Missing | 0 | - | 4.97 | 179,274 |
| Countries That End in U | 0 | - | 4.95 | 116,282 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 103,299 |
| Countries that End in O | 0 | - | 4.92 | 155,868 |
| Countries that End in R | 0 | - | 4.84 | 100,897 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,782 |
| Countries Ending in "IA" | 0 | - | 4.99 | 200,751 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 165,498 |
| Countries by Last Two Letters | 0 | - | 4.88 | 131,651 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 137,552 |
| Countries That End in Y | 0 | - | 4.91 | 182,961 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 191,779 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 147,934 |
| Countries that End in I | 0 | - | 4.92 | 118,161 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 176,994 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,155 |
| Countries That End in NIA | 0 | - | 4.92 | 106,816 |
| Countries That End in BIA | 0 | - | 4.92 | 144,828 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 162,498 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 115,864 |
| Countries That End in RIA | 0 | - | 4.92 | 123,060 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,145 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 218,209 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 128,760 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 120,724 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 86,637 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,049 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 49,642 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 99,291 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 121,245 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 47,070 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 49,256 |
| Countries that End in L | 0 | - | 4.94 | 153,075 |
| "Land" Countries | 0 | - | 4.98 | 301,381 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 199,109 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,283 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 80,134 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 74,839 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 105,093 |
| City to Country Quiz #1 | 0 | - | 4.96 | 151,475 |
| City to Country Quiz #3 | 0 | - | 4.87 | 105,523 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,261 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 222,164 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 194,455 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,327 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 158,407 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 218,199 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 148,518 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,355 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,387 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,242 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,337 |
| Random Countries by Borders | 0 | - | 4.99 | 78,966 |
