| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,723 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,309 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,096 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,895 |
| Landlocked Countries | 0 | - | 4.99 | 426,185 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,901,067 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 145,317 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,419 |
| Himalayan Countries | 0 | - | 4.93 | 140,372 |
| Andean Countries | 0 | - | 4.94 | 85,536 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,688 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,110 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,258 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,493 |
| Danube Countries | 0 | - | 4.97 | 72,438 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,642 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,871 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,198 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,673 |
| European Landlocked Countries | 0 | - | 4.99 | 147,640 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,348 |
| Countries with the Most Species | 0 | - | 4.99 | 103,587 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,450 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,785 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,898 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,860 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,597 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,040 |
| Countries in the Alps | 0 | - | 4.87 | 118,825 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,709 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,937 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,985 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,050 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,993 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,288 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,437 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,888 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,445 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,208 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,898 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,758 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,578 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,823 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,914 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,916 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,637 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,537 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,713 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,847 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,221 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,532 |
| Largest Countries By Category | 0 | - | 4.97 | 158,903 |
| Countries by Countries | 0 | - | 4.96 | 63,669 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,299 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,413 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,679 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,082 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,454 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,129 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,337 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,700 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,770 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,854 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,079 |
| Northernmost Countries | 0 | - | 4.99 | 364,163 |
| Countries of South America | 0 | - | 5.00 | 933,080 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,918 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,245 |
| "Land" Countries | 0 | - | 4.98 | 338,459 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,604 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,247 |
| Countries with Megacities | 0 | - | 4.99 | 267,300 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,925 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,184 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,249 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,299 |
| Countries by Official Language | 0 | - | 4.95 | 196,057 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,701 |
| Countries in their Native Language | 0 | - | 4.99 | 199,789 |
| Independence from Whom | 0 | - | 4.99 | 213,144 |
| Subdivisions by Country | 0 | - | 4.87 | 50,631 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,501 |
| Megadiverse Countries | 0 | - | 4.96 | 135,297 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,989 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,548 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,233 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,871 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,149 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,578 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,263 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,591 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,397 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,455 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,160 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,596 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,426 |
| World Map Quiz | 0 | - | 4.81 | 65,782 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,412 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,737 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,629 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,213 |
| Countries by Founding Story | 0 | - | 4.95 | 77,830 |
| Countries by Road Signs | 0 | - | 4.98 | 54,374 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,319 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,127 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,599 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,658 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,470 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,571 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,774 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,714 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,789 |
| Widest Countries East to West | 0 | - | 4.92 | 130,695 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,606 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,282 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,526 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,080 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,010 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,506 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,512 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,900 |
| Countries With the Tallest People | 0 | - | 4.93 | 95,208 |
| Countries with Double Letters | 0 | - | 4.96 | 97,147 |
| Countries that End in N | 0 | - | 4.95 | 172,020 |
| Countries with Five Letters | 0 | - | 4.96 | 284,044 |
| Countries with Six Letters | 0 | - | 4.94 | 214,562 |
| Countries with W | 0 | - | 4.96 | 161,005 |
| Countries with Z | 0 | - | 4.98 | 292,540 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,337 |
| Countries That End in U | 0 | - | 4.95 | 121,218 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,161 |
| Countries that End in O | 0 | - | 4.92 | 160,246 |
| Countries that End in R | 0 | - | 4.87 | 119,200 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,964 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,914 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,194 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,862 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,784 |
| Countries That End in Y | 0 | - | 4.91 | 186,104 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,503 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,304 |
| Countries that End in I | 0 | - | 4.94 | 135,339 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,668 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,078 |
| Countries That End in NIA | 0 | - | 4.92 | 110,087 |
| Countries That End in BIA | 0 | - | 4.93 | 149,608 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,578 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,795 |
| Countries That End in RIA | 0 | - | 4.93 | 127,078 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,420 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,666 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,228 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,671 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,218 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,826 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,351 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,547 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,937 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,665 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,765 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,466 |
| Countries that End in L | 0 | - | 4.94 | 157,158 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,141 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,355 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,553 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,030 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,475 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,494 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,174 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,454 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,307 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,012 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,236 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,253 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,843 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,270 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,194 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,553 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,562 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,607 |
| One Border Countries | 0 | - | 4.98 | 472,095 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,702 |
| Countries with the Highest Minimum Elevation | 0 | - | 4.86 | 16,279 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,849,789 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,654,652 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,357 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,251 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,706 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,923 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,249 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,648 |
| Countries by National Anthem | 0 | - | 4.92 | 71,414 |
| NATO Countries | 0 | - | 4.98 | 283,569 |
| EU Countries Quiz | 0 | - | 4.99 | 278,092 |
| Recently Independent Countries | 0 | - | 4.98 | 160,385 |
| French-Speaking Countries | 0 | - | 4.85 | 271,723 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,049 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,894 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,519 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,131 |
