| "Land" Countries | 0 | - | 4.98 | 335,614 |
| Countries with Double Letters | 0 | - | 4.97 | 94,957 |
| Countries that End in N | 0 | - | 4.95 | 169,658 |
| Countries with Five Letters | 0 | - | 4.96 | 279,012 |
| Countries with Six Letters | 0 | - | 4.94 | 212,311 |
| Countries with W | 0 | - | 4.97 | 159,415 |
| Countries with Z | 0 | - | 4.98 | 289,641 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,626 |
| Countries That End in U | 0 | - | 4.95 | 120,360 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,649 |
| Countries that End in O | 0 | - | 4.92 | 159,152 |
| Countries that End in R | 0 | - | 4.87 | 118,690 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,474 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,198 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,031 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,034 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,615 |
| Countries That End in Y | 0 | - | 4.90 | 185,608 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,131 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,340 |
| Countries that End in I | 0 | - | 4.94 | 134,828 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,981 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,539 |
| Countries That End in NIA | 0 | - | 4.92 | 109,463 |
| Countries That End in BIA | 0 | - | 4.93 | 148,782 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,637 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,992 |
| Countries That End in RIA | 0 | - | 4.93 | 126,474 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,566 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,510 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,126 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,464 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,025 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,274 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,619 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,170 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,056 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,163 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,746 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,448 |
| Countries that End in L | 0 | - | 4.94 | 156,490 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,727 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,143 |
| Landlocked Countries | 0 | - | 4.99 | 418,165 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,281,932 |
| Countries with Four Letters | 0 | - | 4.99 | 421,241 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,601 |
| Himalayan Countries | 0 | - | 4.94 | 137,093 |
| Andean Countries | 0 | - | 4.95 | 83,763 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,006 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,385 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,685 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,249 |
| Danube Countries | 0 | - | 4.97 | 71,577 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,436 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,983 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,507 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,565 |
| European Landlocked Countries | 0 | - | 4.99 | 146,684 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,015 |
| Countries with the Most Species | 0 | - | 4.99 | 102,788 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,153 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,396 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,256 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,928 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,309 |
| Countries in the Alps | 0 | - | 4.87 | 117,579 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,051 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,224 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,366 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,903 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,017 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,393 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,183 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,124 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,926 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,489 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,441 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,300 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,868 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,131 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,155 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,026 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,006 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,530 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,420 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,957 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,051 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,937 |
| Largest Countries By Category | 0 | - | 4.97 | 157,521 |
| Countries by Countries | 0 | - | 4.96 | 62,771 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,107 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,134 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,453 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.97 | 98,575 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,255 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,752,180 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,418 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,711 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,299 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,395 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,725 |
| Island Countries | 0 | - | 4.99 | 709,430 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,224 |
| Northernmost Countries | 0 | - | 4.99 | 360,143 |
| Countries of South America | 0 | - | 5.00 | 921,983 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,850 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,099 |
| Countries with J | 0 | - | 4.54 | 184,819 |
| Countries by Consonants | 0 | - | 4.42 | 78,483 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,036 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,754 |
| Countries with Megacities | 0 | - | 4.99 | 249,928 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,600 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,833 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,912 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,820 |
| Countries by Official Language | 0 | - | 4.95 | 194,495 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,339 |
| Countries in their Native Language | 0 | - | 4.99 | 198,060 |
| Independence from Whom | 0 | - | 4.99 | 211,168 |
| Subdivisions by Country | 0 | - | 4.86 | 50,259 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,590 |
| Megadiverse Countries | 0 | - | 4.96 | 134,718 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,182 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,151 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,710 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,995 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,631 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,328 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,863 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,785 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,453 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,946 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,752 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,670 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,920 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,742 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,081 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,283 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,984 |
| World Map Quiz | 0 | - | 4.81 | 64,393 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,210 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,956 |
| Countries by Founding Story | 0 | - | 4.95 | 77,005 |
| Countries by Road Signs | 0 | - | 4.98 | 53,589 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,355 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,852 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,567 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,121 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,445 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,624 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,766 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,223 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,224 |
| Widest Countries East to West | 0 | - | 4.92 | 129,305 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,370 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,869 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,974 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,465 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,138 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,483 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,207 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,713 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,800 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,672 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,725 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,635 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,051 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,544 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,023 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,501 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,503 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,925 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.80 | 108,341 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,575 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,612 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,254 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,462 |
| One Border Countries | 0 | - | 4.98 | 467,301 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,445 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,244 |
| Most Similar Country Names | 0 | - | 4.16 | 46,439 |
| Longest Country Name A-Z | 0 | - | 4.33 | 42,000 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,819,971 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,611,678 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,456 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,240 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,570 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,209 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,283 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,838 |
| Countries by National Anthem | 0 | - | 4.93 | 71,165 |
| NATO Countries | 0 | - | 4.98 | 278,969 |
| EU Countries Quiz | 0 | - | 4.99 | 272,558 |
| Recently Independent Countries | 0 | - | 4.98 | 158,928 |
| French-Speaking Countries | 0 | - | 4.85 | 270,092 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,737 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,361 |
