| One Border Countries | 0 | - | 4.97 | 448,877 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,673,333 |
| Countries with the Most Borders | 0 | - | 4.97 | 376,200 |
| Countries by Borders #1 | 0 | - | 5.00 | 189,193 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 302,714 |
| Longest Border by Country #1 | 0 | - | 4.99 | 142,011 |
| Largest Countries with No Borders | 0 | - | 4.97 | 213,189 |
| Countries with Two Borders | 0 | - | 4.99 | 134,113 |
| Countries by Borders #2 | 0 | - | 4.96 | 124,942 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 137,066 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 127,011 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 102,411 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.93 | 91,479 |
| Countries by Borders #3 | 0 | - | 4.99 | 94,986 |
| Bordering Countries Forming Words #1 | 0 | - | 4.91 | 74,599 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 31,637 |
| Longest Border by Country #2 | 0 | - | 4.96 | 118,439 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 92,675 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 111,627 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 102,555 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 108,822 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,209 |
| Countries with the Shortest Total Borders | 0 | - | 4.93 | 100,211 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 122,386 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 50,408 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 77,993 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,263 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 87,929 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.92 | 20,660 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,020,916 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 391,884 |
| Smallest Countries Bordering Each Other | 0 | - | 4.62 | 89,051 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,460,379 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,538,848 |
| Sahara Desert Countries | 0 | - | 4.98 | 150,236 |
| Himalayan Countries | 0 | - | 4.94 | 126,307 |
| Andean Countries | 0 | - | 4.93 | 71,106 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,517 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 116,264 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,854 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,937 |
| Danube Countries | 0 | - | 4.97 | 61,948 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,385 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,945 |
| Countries with the Worst Passports | 0 | - | 4.92 | 76,055 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 141,531 |
| European Landlocked Countries | 0 | - | 4.99 | 142,664 |
| Partially Recognized Countries | 0 | - | 4.98 | 100,277 |
| Countries with the Most Species | 0 | - | 4.99 | 93,318 |
| Countries 197 to 205 | 0 | - | 4.88 | 65,190 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,173 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,262 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,187 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,704 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,663 |
| Countries in the Alps | 0 | - | 4.86 | 112,338 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,835 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,911 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,210 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 91,937 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,198 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,817 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,387 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,680 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,634 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,712 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,859 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,655 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,010 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,677 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,515 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 111,409 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,628 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,531 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,945 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 227,214 |
| World Countries - Blind Typing | 0 | - | 5.00 | 98,228 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,872 |
| Largest Countries By Category | 0 | - | 4.97 | 152,803 |
| Countries by Countries | 0 | - | 4.96 | 59,481 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,055 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 363,495 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 387,550 |
| Island Countries Quiz | 0 | - | 4.99 | 696,235 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,008,199 |
| Northernmost Countries | 0 | - | 4.99 | 345,517 |
| Countries of South America | 0 | - | 5.00 | 877,104 |
| Countries of Oceania | 0 | - | 5.00 | 993,399 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,761,824 |
| Which Country Does Not Border... | 0 | - | 4.78 | 91,162 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,291,331 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 80,191 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 74,888 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 105,152 |
| Countries Bordering Two or More Oceans | 0 | - | 4.21 | 121,388 |
| Borders of One Border Countries | 0 | - | 4.17 | 84,872 |
| Random Countries by Borders | 0 | - | 4.99 | 79,098 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 163,282 |
| Countries with Megacities | 0 | - | 4.99 | 222,987 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,989 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,922 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 129,273 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,362 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 304,033 |
| Countries by Official Language | 0 | - | 4.95 | 186,413 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 285,157 |
| Countries in their Native Language | 0 | - | 4.98 | 190,721 |
| Independence from Whom | 0 | - | 4.99 | 202,956 |
| Subdivisions by Country | 0 | - | 4.86 | 49,024 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 125,975 |
| Megadiverse Countries | 0 | - | 4.97 | 131,400 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 124,340 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,469 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,801 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 73,600 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,612 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,106 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,357 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 88,939 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,135 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,674 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 70,009 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,400 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,596 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,077 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 72,835 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,292 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 101,125 |
| Southernmost Countries of the World | 0 | - | 4.99 | 220,663 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 100,383 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 117,986 |
| Countries With the Most Languages | 0 | - | 4.89 | 192,335 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 98,269 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 89,767 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 94,972 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,104 |
| Tallest Countries North to South | 0 | - | 4.83 | 116,754 |
| Widest Countries East to West | 0 | - | 4.92 | 125,900 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,485 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 181,780 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,054 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 91,290 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 126,442 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,273 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,329 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,877 |
| Countries with Double Letters | 0 | - | 4.97 | 86,469 |
| Countries that End in N | 0 | - | 4.93 | 149,909 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 250,481 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 204,012 |
| Countries with W | 0 | - | 4.97 | 152,953 |
| Countries with Z | 0 | - | 4.98 | 280,042 |
| Countries with Letters Missing | 0 | - | 4.97 | 179,490 |
| Countries That End in U | 0 | - | 4.95 | 116,428 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 103,552 |
| Countries that End in O | 0 | - | 4.92 | 155,965 |
| Countries that End in R | 0 | - | 4.84 | 100,985 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,871 |
| Countries Ending in "IA" | 0 | - | 4.99 | 201,105 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 165,652 |
| Countries by Last Two Letters | 0 | - | 4.88 | 131,771 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 137,690 |
| Countries That End in Y | 0 | - | 4.91 | 183,027 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 191,961 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 148,154 |
| Countries that End in I | 0 | - | 4.92 | 118,235 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 177,652 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,222 |
| Countries That End in NIA | 0 | - | 4.92 | 106,913 |
| Countries That End in BIA | 0 | - | 4.92 | 144,962 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 162,637 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 115,965 |
| Countries That End in RIA | 0 | - | 4.92 | 123,619 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,256 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 218,518 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 128,914 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 120,909 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 86,788 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,130 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 49,760 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 99,776 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 47,145 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 49,428 |
| Countries that End in L | 0 | - | 4.94 | 153,187 |
| "Land" Countries | 0 | - | 4.98 | 301,543 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 199,280 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,317 |
| City to Country Quiz #1 | 0 | - | 4.96 | 151,548 |
| City to Country Quiz #3 | 0 | - | 4.87 | 105,603 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,324 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 222,354 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 194,595 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,407 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 158,528 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 218,344 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 148,714 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,407 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,430 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,274 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,405 |
