| "Land" Countries | 0 | - | 4.98 | 337,675 |
| Countries with Double Letters | 0 | - | 4.96 | 96,512 |
| Countries that End in N | 0 | - | 4.95 | 171,414 |
| Countries with Five Letters | 0 | - | 4.96 | 282,968 |
| Countries with Six Letters | 0 | - | 4.94 | 213,839 |
| Countries with W | 0 | - | 4.96 | 160,537 |
| Countries with Z | 0 | - | 4.98 | 291,763 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,885 |
| Countries That End in U | 0 | - | 4.95 | 120,958 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,660 |
| Countries that End in O | 0 | - | 4.92 | 159,610 |
| Countries that End in R | 0 | - | 4.87 | 119,036 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,797 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,342 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,842 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,590 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,504 |
| Countries That End in Y | 0 | - | 4.91 | 185,950 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,078 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,003 |
| Countries that End in I | 0 | - | 4.94 | 135,175 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,264 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,889 |
| Countries That End in NIA | 0 | - | 4.92 | 109,862 |
| Countries That End in BIA | 0 | - | 4.93 | 149,323 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,236 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,539 |
| Countries That End in RIA | 0 | - | 4.93 | 126,895 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,135 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,925 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,864 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,296 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,851 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,648 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,131 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,471 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,636 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,510 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,430 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,125 |
| Countries that End in L | 0 | - | 4.94 | 156,932 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,345 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,292 |
| Landlocked Countries | 0 | - | 4.99 | 423,174 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,676,643 |
| Countries with Four Letters | 0 | - | 4.99 | 423,986 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,074 |
| Himalayan Countries | 0 | - | 4.94 | 139,248 |
| Andean Countries | 0 | - | 4.93 | 84,905 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,125 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,273 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,699 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,020 |
| Danube Countries | 0 | - | 4.97 | 72,147 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,207 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,558 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,563 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,076 |
| European Landlocked Countries | 0 | - | 4.99 | 147,296 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,859 |
| Countries with the Most Species | 0 | - | 4.99 | 103,357 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,990 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,652 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,773 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,631 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,379 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,801 |
| Countries in the Alps | 0 | - | 4.87 | 118,385 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,821 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,314 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,765 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,731 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,649 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,051 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,834 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,617 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,253 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,975 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,728 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,600 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,338 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,580 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,649 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,200 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,420 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,864 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,268 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,563 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,466 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,323 |
| Largest Countries By Category | 0 | - | 4.97 | 158,428 |
| Countries by Countries | 0 | - | 4.96 | 63,372 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,873 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,329 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,596 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,030 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,141 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,810 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,787,050 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,899 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,820 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,648 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,887 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,096 |
| Island Countries | 0 | - | 4.99 | 711,474 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,399 |
| Northernmost Countries | 0 | - | 4.99 | 362,574 |
| Countries of South America | 0 | - | 5.00 | 929,020 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,979 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,034 |
| Countries with J | 0 | - | 4.55 | 185,475 |
| Countries by Consonants | 0 | - | 4.42 | 78,804 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,684 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,258 |
| Countries with Megacities | 0 | - | 4.99 | 265,423 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,086 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,663 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,323 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,731 |
| Countries by Official Language | 0 | - | 4.95 | 195,499 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,720 |
| Countries in their Native Language | 0 | - | 4.99 | 199,281 |
| Independence from Whom | 0 | - | 4.99 | 212,370 |
| Subdivisions by Country | 0 | - | 4.87 | 50,491 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,940 |
| Megadiverse Countries | 0 | - | 4.96 | 135,105 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,306 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,425 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,302 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,144 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,288 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,667 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,637 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,425 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,715 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,187 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,946 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,964 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,282 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,020 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,441 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,557 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,585 |
| World Map Quiz | 0 | - | 4.81 | 65,267 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,890 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,466 |
| Countries by Founding Story | 0 | - | 4.95 | 77,465 |
| Countries by Road Signs | 0 | - | 4.98 | 54,130 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,338 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,427 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,138 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,632 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,035 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,144 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,409 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,505 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,664 |
| Widest Countries East to West | 0 | - | 4.92 | 129,765 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,483 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,649 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,396 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,857 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,718 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,988 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,422 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,824 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,105 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,035 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,081 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,961 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,827 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,244 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,968 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,625 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,979 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,143 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,739 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,060 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,148 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,440 |
| One Border Countries | 0 | - | 4.98 | 470,564 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,934 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,543 |
| Most Similar Country Names | 0 | - | 4.16 | 46,590 |
| Longest Country Name A-Z | 0 | - | 4.32 | 42,256 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,839,318 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,639,006 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,052 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,459 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,326 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,673 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,876 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,336 |
| Countries by National Anthem | 0 | - | 4.93 | 71,329 |
| NATO Countries | 0 | - | 4.98 | 282,124 |
| EU Countries Quiz | 0 | - | 4.99 | 276,262 |
| Recently Independent Countries | 0 | - | 4.98 | 159,616 |
| French-Speaking Countries | 0 | - | 4.85 | 271,139 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,945 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,979 |
