| "Land" Countries | 0 | - | 4.98 | 333,511 |
| Countries with Double Letters | 0 | - | 4.97 | 93,288 |
| Countries that End in N | 0 | - | 4.94 | 156,345 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,567 |
| Countries with Six Letters | 0 | - | 4.93 | 210,258 |
| Countries with W | 0 | - | 4.97 | 158,157 |
| Countries with Z | 0 | - | 4.98 | 287,737 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,472 |
| Countries That End in U | 0 | - | 4.95 | 119,477 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,441 |
| 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 | 206,924 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,239 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,425 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,753 |
| Countries That End in Y | 0 | - | 4.90 | 185,175 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,260 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,598 |
| Countries that End in I | 0 | - | 4.94 | 134,359 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,096 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,164 |
| Countries That End in NIA | 0 | - | 4.92 | 108,957 |
| 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 | 118,439 |
| Countries That End in RIA | 0 | - | 4.93 | 126,044 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,958 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,072 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,475 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,853 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,301 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,902 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,067 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,594 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,444 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,792 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,065 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,742 |
| Countries that End in L | 0 | - | 4.94 | 155,677 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,906 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,973 |
| Landlocked Countries | 0 | - | 4.99 | 413,171 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,880,342 |
| Countries with Four Letters | 0 | - | 4.99 | 418,274 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,388 |
| Himalayan Countries | 0 | - | 4.95 | 135,161 |
| Andean Countries | 0 | - | 4.94 | 82,733 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,149 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,082 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,820 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,515 |
| Danube Countries | 0 | - | 4.97 | 71,033 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,696 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,488 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,366 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,284 |
| European Landlocked Countries | 0 | - | 4.99 | 145,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,114 |
| Countries with the Most Species | 0 | - | 4.99 | 95,216 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,263 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |
| 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 | 72,542 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,902 |
| Countries in the Alps | 0 | - | 4.87 | 116,747 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,515 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,161 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,975 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,367 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,099 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,959 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,513 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,716 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,903 |
| 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 | 103,399 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,703 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,711 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,964 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,595 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,221 |
| 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 | 239,014 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,476 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,567 |
| Largest Countries By Category | 0 | - | 4.97 | 156,679 |
| Countries by Countries | 0 | - | 4.96 | 62,213 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,301 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,948 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,311 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,518 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,044 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,709 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,587 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,854 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,625 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,355 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,966 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,360 |
| Island Countries | 0 | - | 4.99 | 707,400 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,832 |
| Northernmost Countries | 0 | - | 4.99 | 357,453 |
| Countries of South America | 0 | - | 5.00 | 913,951 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,318 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,508 |
| Countries with J | 0 | - | 4.55 | 184,222 |
| Countries by Consonants | 0 | - | 4.42 | 78,195 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,973 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,962 |
| Countries with Megacities | 0 | - | 4.99 | 246,422 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,877 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,776 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,338 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,734 |
| Countries by Official Language | 0 | - | 4.95 | 192,667 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,988 |
| Countries in their Native Language | 0 | - | 4.99 | 196,534 |
| Independence from Whom | 0 | - | 4.99 | 209,563 |
| Subdivisions by Country | 0 | - | 4.86 | 50,043 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,649 |
| 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 | 125,398 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,847 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,584 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,965 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,676 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,100 |
| 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 | 75,461 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,385 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,459 |
| 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 | 108,424 |
| World Map Quiz | 0 | - | 4.81 | 63,423 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,401 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,269 |
| Countries by Founding Story | 0 | - | 4.95 | 76,478 |
| Countries by Road Signs | 0 | - | 4.98 | 53,047 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,232 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,922 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,889 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,593 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,010 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,214 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,906 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,291 |
| Widest Countries East to West | 0 | - | 4.92 | 128,557 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,204 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,147 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,540 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,652 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,562 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,984 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,042 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,557 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,483 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,259 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,393 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,585 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,011 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,872 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,113 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,305 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,469 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,587 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,157 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,404 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,279 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,173 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,405 |
| One Border Countries | 0 | - | 4.98 | 463,934 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,398 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,611 |
| Most Similar Country Names | 0 | - | 4.16 | 46,286 |
| Longest Country Name A-Z | 0 | - | 4.33 | 41,724 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,799,023 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,585,448 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,765 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,790 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,801 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,429 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,531 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,194 |
| Countries by National Anthem | 0 | - | 4.92 | 71,007 |
| NATO Countries | 0 | - | 4.98 | 275,408 |
| EU Countries Quiz | 0 | - | 4.99 | 269,663 |
| Recently Independent Countries | 0 | - | 4.98 | 157,918 |
| French-Speaking Countries | 0 | - | 4.85 | 268,677 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,351 |
