| "Land" Countries | 0 | - | 4.98 | 337,060 |
| Countries with Double Letters | 0 | - | 4.96 | 95,993 |
| Countries that End in N | 0 | - | 4.95 | 170,892 |
| Countries with Five Letters | 0 | - | 4.96 | 282,029 |
| Countries with Six Letters | 0 | - | 4.94 | 213,313 |
| Countries with W | 0 | - | 4.97 | 160,151 |
| Countries with Z | 0 | - | 4.98 | 291,187 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,512 |
| Countries That End in U | 0 | - | 4.95 | 120,748 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,282 |
| Countries that End in O | 0 | - | 4.92 | 159,438 |
| Countries that End in R | 0 | - | 4.87 | 118,910 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,673 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,880 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,569 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,386 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,305 |
| Countries That End in Y | 0 | - | 4.91 | 185,814 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,771 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,740 |
| Countries that End in I | 0 | - | 4.94 | 135,035 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,941 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,759 |
| Countries That End in NIA | 0 | - | 4.92 | 109,709 |
| Countries That End in BIA | 0 | - | 4.93 | 149,105 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,004 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,331 |
| Countries That End in RIA | 0 | - | 4.93 | 126,743 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,923 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,334 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,560 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,956 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,524 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,519 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,933 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,416 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,437 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,368 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,171 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,863 |
| Countries that End in L | 0 | - | 4.94 | 156,751 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,251 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,239 |
| Landlocked Countries | 0 | - | 4.99 | 421,165 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,515,365 |
| Countries with Four Letters | 0 | - | 4.99 | 422,876 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,047 |
| Himalayan Countries | 0 | - | 4.95 | 138,358 |
| Andean Countries | 0 | - | 4.93 | 84,396 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,616 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,540 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,246 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,649 |
| Danube Countries | 0 | - | 4.97 | 71,913 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,893 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,319 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,129 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,590 |
| European Landlocked Countries | 0 | - | 4.99 | 147,042 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,478 |
| Countries with the Most Species | 0 | - | 4.99 | 103,155 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,636 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,539 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,682 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,481 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,160 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,574 |
| Countries in the Alps | 0 | - | 4.87 | 118,066 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,486 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,868 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,590 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,516 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,403 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,880 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,564 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,419 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,121 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,764 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,595 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,456 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,135 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,398 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,431 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,701 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,229 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,734 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,913 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,517 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,862 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,153 |
| Largest Countries By Category | 0 | - | 4.97 | 158,046 |
| Countries by Countries | 0 | - | 4.96 | 63,098 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,566 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,245 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,537 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,322 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,895 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,582 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,510 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,684 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,033 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,866 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,280 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,701 |
| Island Countries | 0 | - | 4.99 | 710,725 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,761 |
| Northernmost Countries | 0 | - | 4.99 | 361,576 |
| Countries of South America | 0 | - | 5.00 | 926,081 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,317 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,411 |
| Countries with J | 0 | - | 4.55 | 185,222 |
| Countries by Consonants | 0 | - | 4.42 | 78,666 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,490 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,675 |
| Countries with Megacities | 0 | - | 4.99 | 263,985 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,516 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,353 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,785 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,408 |
| Countries by Official Language | 0 | - | 4.95 | 195,077 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,150 |
| Countries in their Native Language | 0 | - | 4.99 | 198,707 |
| Independence from Whom | 0 | - | 4.99 | 211,893 |
| Subdivisions by Country | 0 | - | 4.86 | 50,389 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,586 |
| Megadiverse Countries | 0 | - | 4.96 | 134,944 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,934 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,300 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,877 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,079 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,007 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,549 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,345 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,982 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,602 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,054 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,508 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,832 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,144 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,915 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,300 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,447 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,927 |
| World Map Quiz | 0 | - | 4.81 | 64,972 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,798 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,270 |
| Countries by Founding Story | 0 | - | 4.95 | 77,296 |
| Countries by Road Signs | 0 | - | 4.98 | 53,913 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,923 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,178 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,905 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,981 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,930 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,232 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,394 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,508 |
| Widest Countries East to West | 0 | - | 4.92 | 129,569 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,432 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,275 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,088 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,703 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,491 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,769 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,336 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,782 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,957 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,894 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,925 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,578 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,540 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,899 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,429 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,299 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,795 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,053 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,675 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,816 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,817 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,629 |
| One Border Countries | 0 | - | 4.98 | 469,196 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,761 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,418 |
| Most Similar Country Names | 0 | - | 4.16 | 46,530 |
| Longest Country Name A-Z | 0 | - | 4.32 | 42,162 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,831,480 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,627,544 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,801 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,993 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,005 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,465 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,624 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,143 |
| Countries by National Anthem | 0 | - | 4.93 | 71,264 |
| NATO Countries | 0 | - | 4.98 | 280,906 |
| EU Countries Quiz | 0 | - | 4.99 | 274,835 |
| Recently Independent Countries | 0 | - | 4.98 | 159,362 |
| French-Speaking Countries | 0 | - | 4.85 | 270,683 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,862 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,257 |
