| Spanish-Speaking Countries | 0 | - | 4.95 | 375,865 |
| Countries by Official Language | 0 | - | 4.95 | 195,483 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,694 |
| Countries in their Native Language | 0 | - | 4.99 | 199,258 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,290 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,538 |
| Landlocked Countries | 0 | - | 4.99 | 423,087 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,670,902 |
| French-Speaking Countries | 0 | - | 4.85 | 271,117 |
| German-Speaking Countries | 0 | - | 4.92 | 145,847 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,525 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,047 |
| Himalayan Countries | 0 | - | 4.94 | 139,217 |
| Andean Countries | 0 | - | 4.93 | 84,887 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,107 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,244 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,684 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,999 |
| Danube Countries | 0 | - | 4.97 | 72,141 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,202 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,550 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,544 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,057 |
| European Landlocked Countries | 0 | - | 4.99 | 147,286 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,847 |
| Countries with the Most Species | 0 | - | 4.99 | 103,352 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,972 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,649 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,769 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,625 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,372 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,793 |
| Countries in the Alps | 0 | - | 4.87 | 118,375 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,787 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,304 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,761 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,725 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,645 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,045 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,825 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,611 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,252 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,965 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,726 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,597 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,332 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,572 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,641 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,181 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,410 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,802 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,257 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,534 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,444 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,316 |
| Largest Countries By Category | 0 | - | 4.97 | 158,413 |
| Countries by Countries | 0 | - | 4.96 | 63,367 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,859 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,328 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,592 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,132 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,798 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,786,496 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,794 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,587 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,036 |
| Island Countries | 0 | - | 4.99 | 711,446 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,297 |
| Northernmost Countries | 0 | - | 4.99 | 362,531 |
| Countries of South America | 0 | - | 5.00 | 928,918 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,855 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,798 |
| "Land" Countries | 0 | - | 4.98 | 337,648 |
| Top World Languages | 0 | - | 4.92 | 826,036 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,931 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,474 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,232 |
| Countries with Megacities | 0 | - | 4.99 | 265,355 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,051 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,651 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,300 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,722 |
| Independence from Whom | 0 | - | 4.99 | 212,350 |
| Subdivisions by Country | 0 | - | 4.87 | 50,485 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,924 |
| Megadiverse Countries | 0 | - | 4.96 | 135,101 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,421 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,298 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,142 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,277 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,665 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,623 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,419 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,711 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,185 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,922 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,956 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,274 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,015 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,432 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,552 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,566 |
| World Map Quiz | 0 | - | 4.81 | 65,261 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,864 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,459 |
| Countries by Founding Story | 0 | - | 4.95 | 77,461 |
| Countries by Road Signs | 0 | - | 4.98 | 54,121 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,323 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,419 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,125 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,603 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,018 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,131 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,403 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,500 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,655 |
| Widest Countries East to West | 0 | - | 4.92 | 129,757 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,481 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,549 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,392 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,846 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,709 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,979 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,416 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,822 |
| Countries with Double Letters | 0 | - | 4.96 | 96,494 |
| Countries that End in N | 0 | - | 4.95 | 171,390 |
| Countries with Five Letters | 0 | - | 4.96 | 282,947 |
| Countries with Six Letters | 0 | - | 4.94 | 213,826 |
| Countries with W | 0 | - | 4.96 | 160,519 |
| Countries with Z | 0 | - | 4.98 | 291,742 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,873 |
| Countries That End in U | 0 | - | 4.95 | 120,949 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,647 |
| Countries that End in O | 0 | - | 4.92 | 159,603 |
| Countries that End in R | 0 | - | 4.87 | 119,030 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,794 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,331 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,830 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,585 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,498 |
| Countries That End in Y | 0 | - | 4.91 | 185,948 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,067 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,994 |
| Countries that End in I | 0 | - | 4.94 | 135,172 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,255 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,885 |
| Countries That End in NIA | 0 | - | 4.92 | 109,861 |
| Countries That End in BIA | 0 | - | 4.93 | 149,311 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,223 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,529 |
| Countries That End in RIA | 0 | - | 4.93 | 126,885 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,128 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,909 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,856 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,285 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,842 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,644 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,119 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,471 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,633 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,498 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,421 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,112 |
| Countries that End in L | 0 | - | 4.94 | 156,929 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,306 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,291 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,101 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,031 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,072 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,950 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,814 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,237 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,956 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,616 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,971 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,141 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,737 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,034 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,733 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,019 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,417 |
| One Border Countries | 0 | - | 4.98 | 470,503 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 58,080 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,838,981 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,638,567 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,044 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,447 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,317 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,667 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,863 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,325 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,550 |
| Countries by National Anthem | 0 | - | 4.93 | 71,326 |
| NATO Countries | 0 | - | 4.98 | 282,077 |
| EU Countries Quiz | 0 | - | 4.99 | 276,204 |
| Recently Independent Countries | 0 | - | 4.98 | 159,604 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,944 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,951 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,874 |
