| Recently Independent Countries | 0 | - | 4.98 | 157,989 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,275 |
| Independence from Whom | 0 | - | 4.99 | 209,697 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,756 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,000 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,023 |
| The Only African Country ... | 0 | - | 4.99 | 128,369 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,782 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,333 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,513 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,179 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,879 |
| Countries by Former Name | 0 | - | 4.99 | 124,296 |
| Historical City to Country | 0 | - | 4.84 | 78,131 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,922,675 |
| Landlocked Countries | 0 | - | 4.99 | 413,653 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,240 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,305 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,282 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,614 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,574 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,818 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,224 |
| Former Capitals | 0 | - | 4.88 | 71,146 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,846 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,730 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,116 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,600 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,604 |
| Himalayan Countries | 0 | - | 4.95 | 135,360 |
| Andean Countries | 0 | - | 4.94 | 82,830 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,221 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,219 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,907 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,613 |
| Danube Countries | 0 | - | 4.97 | 71,082 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,539 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,492 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,407 |
| European Landlocked Countries | 0 | - | 4.99 | 145,757 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,218 |
| Countries with the Most Species | 0 | - | 4.99 | 95,242 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,352 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,199 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,370 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,958 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,826 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,568 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,259 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,013 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,423 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,166 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,004 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,582 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,760 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,301 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,061 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,196 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,045 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,454 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,750 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,755 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,071 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,649 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,254 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,317 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,680 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,604 |
| Largest Countries By Category | 0 | - | 4.97 | 156,763 |
| Countries by Countries | 0 | - | 4.96 | 62,257 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,043 |
| Battle to Country | 0 | - | 4.91 | 52,531 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,771 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,996 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,131 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,864 |
| Island Countries | 0 | - | 4.99 | 707,636 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,418 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,481 |
| Northernmost Countries | 0 | - | 4.99 | 357,740 |
| Countries of South America | 0 | - | 5.00 | 914,825 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,537 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,464 |
| "Land" Countries | 0 | - | 4.98 | 333,663 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,728 |
| Countries by Independence Day | 0 | - | 4.56 | 52,611 |
| Former Countries by Capital | 0 | - | 4.45 | 127,051 |
| Former Countries | 0 | - | 4.75 | 132,711 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,896 |
| The Only Asian Country ... | 0 | - | 4.74 | 121,879 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,135 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,655 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,243 |
| Countries with Megacities | 0 | - | 4.99 | 246,942 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,136 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,982 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,553 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,874 |
| Countries by Official Language | 0 | - | 4.95 | 192,775 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,141 |
| Countries in their Native Language | 0 | - | 4.99 | 196,643 |
| Subdivisions by Country | 0 | - | 4.86 | 50,066 |
| Megadiverse Countries | 0 | - | 4.97 | 133,905 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,807 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,919 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,429 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,862 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,664 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,149 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,215 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,746 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,576 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,421 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,495 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,504 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,676 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,030 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,599 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,333 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,357 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,993 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,954 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,774 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,857 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,063 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,279 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,948 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,338 |
| Widest Countries East to West | 0 | - | 4.92 | 128,606 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,218 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,217 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,565 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,690 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,634 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,047 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,051 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,583 |
| Countries with Double Letters | 0 | - | 4.97 | 93,395 |
| Countries that End in N | 0 | - | 4.94 | 156,885 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,691 |
| Countries with Six Letters | 0 | - | 4.93 | 210,370 |
| Countries with W | 0 | - | 4.97 | 158,233 |
| Countries with Z | 0 | - | 4.98 | 287,881 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,556 |
| Countries That End in U | 0 | - | 4.95 | 119,519 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,557 |
| Countries that End in O | 0 | - | 4.92 | 158,558 |
| Countries that End in R | 0 | - | 4.87 | 118,275 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,860 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,030 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,334 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,497 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,021 |
| Countries That End in Y | 0 | - | 4.90 | 185,204 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,377 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,691 |
| Countries that End in I | 0 | - | 4.94 | 134,413 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,202 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,194 |
| Countries That End in NIA | 0 | - | 4.92 | 109,011 |
| Countries That End in BIA | 0 | - | 4.92 | 147,719 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,063 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,486 |
| Countries That End in RIA | 0 | - | 4.93 | 126,084 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,011 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,201 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,524 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,890 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,358 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,928 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,123 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,647 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,511 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,815 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,814 |
| Countries that End in L | 0 | - | 4.94 | 155,731 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,207 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,988 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,085 |
| Which Asian Country? | 0 | - | 4.64 | 57,398 |
| Which African Country? | 0 | - | 4.58 | 36,243 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,513 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,296 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,429 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,990 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,102 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,916 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,190 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,383 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,530 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,617 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,173 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,421 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,331 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,801,233 |
| One Border Countries | 0 | - | 4.98 | 464,396 |
