| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,938 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,645 |
| One Border Countries | 0 | - | 4.98 | 444,610 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,627,680 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 381,449 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,231,706 |
| Countries by Borders #1 | 0 | - | 5.00 | 182,790 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 299,834 |
| Longest Border by Country #1 | 0 | - | 4.99 | 140,889 |
| Largest Countries with No Borders | 0 | - | 4.96 | 211,067 |
| Countries with Two Borders | 0 | - | 4.99 | 132,876 |
| Countries by Borders #2 | 0 | - | 4.96 | 123,541 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 135,746 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 125,787 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 101,260 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.93 | 81,754 |
| Countries by Borders #3 | 0 | - | 4.99 | 93,904 |
| Bordering Countries Forming Words #1 | 0 | - | 4.91 | 74,239 |
| Longest Border by Country #2 | 0 | - | 4.95 | 117,602 |
| Countries with the Most Borders | 0 | - | 4.97 | 373,150 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,017 |
| Himalayan Countries | 0 | - | 4.95 | 121,697 |
| Andean Countries | 0 | - | 4.92 | 68,382 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,449 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 112,644 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,647 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 59,083 |
| Danube Countries | 0 | - | 4.97 | 60,714 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,672 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,757 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,200 |
| Countries with the Worst Passports | 0 | - | 4.92 | 64,301 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 137,702 |
| European Landlocked Countries | 0 | - | 4.99 | 140,877 |
| Partially Recognized Countries | 0 | - | 4.98 | 97,857 |
| Countries with the Most Species | 0 | - | 4.99 | 92,257 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,279 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,640 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,735 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,470 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,196 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,861 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,539 |
| Countries in the Alps | 0 | - | 4.86 | 110,246 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,575 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,520 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,292 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,589 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,460 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,835 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,859 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,742 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,893 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,677 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,644 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,184 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,037 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,052 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,730 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,402 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,706 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,713 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,623 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 221,438 |
| World Countries - Blind Typing | 0 | - | 5.00 | 94,594 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,013 |
| Largest Countries By Category | 0 | - | 4.97 | 151,145 |
| Countries by Countries | 0 | - | 4.96 | 58,327 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,399,468 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,607 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,784 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,465,779 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 31,334 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,651 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 103,334 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 100,647 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 107,284 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 84,824 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 98,959 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 121,470 |
| Which Country Does Not Border... | 0 | - | 4.81 | 90,383 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 49,943 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 76,655 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 359,759 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 381,787 |
| Island Countries Quiz | 0 | - | 4.99 | 690,099 |
| Biggest Countries by Area | 0 | - | 5.00 | 988,440 |
| Northernmost Countries | 0 | - | 4.99 | 342,400 |
| Countries of South America | 0 | - | 5.00 | 860,959 |
| Countries of Oceania | 0 | - | 5.00 | 973,460 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,726,986 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 19,591 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,253,698 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,458 |
| Countries with Megacities | 0 | - | 4.99 | 217,567 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,461 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,105 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,442 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,024 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,460 |
| Countries by Official Language | 0 | - | 4.95 | 183,863 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 281,721 |
| Countries in their Native Language | 0 | - | 4.98 | 188,647 |
| Independence from Whom | 0 | - | 4.99 | 199,631 |
| Subdivisions by Country | 0 | - | 4.86 | 48,491 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,587 |
| Megadiverse Countries | 0 | - | 4.96 | 130,410 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 121,929 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,210 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,295 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,328 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,424 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 86,638 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,364 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,390 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,109 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,816 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,903 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,149 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,104 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,565 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 97,931 |
| World Map Quiz | 0 | - | 4.88 | 57,556 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,429 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,635 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,508 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,026 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,485 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,500 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,516 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,309 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,527 |
| Widest Countries East to West | 0 | - | 4.92 | 124,665 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,186 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 178,010 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,417 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,213 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,333 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,253 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,018 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,536 |
| Countries with Double Letters | 0 | - | 4.96 | 81,728 |
| Countries that End in N | 0 | - | 4.93 | 145,631 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 245,559 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,156 |
| Countries with W | 0 | - | 4.97 | 133,018 |
| Countries with Z | 0 | - | 4.98 | 275,463 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,217 |
| Countries That End in U | 0 | - | 4.95 | 113,983 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 100,005 |
| Countries that End in O | 0 | - | 4.92 | 154,181 |
| Countries that End in R | 0 | - | 4.84 | 99,820 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,837 |
| Countries Ending in "IA" | 0 | - | 4.99 | 197,953 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,207 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,779 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,527 |
| Countries That End in Y | 0 | - | 4.91 | 182,064 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,159 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,390 |
| Countries that End in I | 0 | - | 4.92 | 117,385 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,280 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,166 |
| Countries That End in NIA | 0 | - | 4.92 | 105,073 |
| Countries That End in BIA | 0 | - | 4.91 | 142,683 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,193 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,685 |
| Countries That End in RIA | 0 | - | 4.90 | 105,418 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 105,830 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,158 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,157 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 118,991 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 84,823 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,127 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,539 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 97,631 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,911 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,212 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 47,662 |
| Countries that End in L | 0 | - | 4.94 | 151,728 |
| "Land" Countries | 0 | - | 4.98 | 299,553 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 197,457 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,911 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 71,722 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 73,231 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 102,604 |
| City to Country Quiz #1 | 0 | - | 4.96 | 150,315 |
| City to Country Quiz #3 | 0 | - | 4.87 | 104,697 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 75,562 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 219,107 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 192,323 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 122,040 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 140,800 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 215,852 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.97 | 147,122 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,710 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.82 | 105,954 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,840 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,744 |
| Random Countries by Borders | 0 | - | 4.99 | 70,951 |
