| Five Closest Countries by Country #1 | 0 | - | 5.00 | 245,669 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 203,053 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 79,972 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.96 | 73,160 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,554 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,988 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,995 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,151 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,334,208 |
| Landlocked Countries | 0 | - | 4.99 | 418,937 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 39,158 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,902 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,000 |
| Himalayan Countries | 0 | - | 4.94 | 137,424 |
| Andean Countries | 0 | - | 4.95 | 83,940 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,230 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,654 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,832 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,351 |
| Danube Countries | 0 | - | 4.97 | 71,665 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,552 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,057 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,656 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,735 |
| European Landlocked Countries | 0 | - | 4.99 | 146,778 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,141 |
| Countries with the Most Species | 0 | - | 4.99 | 102,907 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,267 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,432 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,587 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,303 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,994 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,363 |
| Countries in the Alps | 0 | - | 4.87 | 117,688 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,134 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,366 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,422 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,982 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,093 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,575 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,286 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,186 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,970 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,552 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,479 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,337 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,926 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,188 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,205 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,188 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,063 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,572 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,530 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,376 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,229 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,999 |
| Largest Countries By Category | 0 | - | 4.97 | 157,637 |
| Countries by Countries | 0 | - | 4.96 | 62,838 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,213 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,796 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,160 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,469 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,523 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,653 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,323 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,995 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,609 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,103 |
| Island Countries | 0 | - | 4.99 | 709,756 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,046 |
| Northernmost Countries | 0 | - | 4.99 | 360,468 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 61,873 |
| Countries of South America | 0 | - | 5.00 | 922,906 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,006 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,357 |
| "Land" Countries | 0 | - | 4.98 | 335,793 |
| Countries With the Most Neighbors | 0 | - | 4.47 | 101,491 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,699 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,019 |
| Countries with Megacities | 0 | - | 4.99 | 259,950 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,893 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,991 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,170 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,999 |
| Countries by Official Language | 0 | - | 4.95 | 194,641 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,533 |
| Countries in their Native Language | 0 | - | 4.99 | 198,185 |
| Independence from Whom | 0 | - | 4.99 | 211,314 |
| Subdivisions by Country | 0 | - | 4.86 | 50,287 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,707 |
| Megadiverse Countries | 0 | - | 4.96 | 134,768 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,542 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,184 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,755 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,018 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,714 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,381 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,979 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,844 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,487 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,968 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,717 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,774 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,326 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,195 |
| World Map Quiz | 0 | - | 4.81 | 64,519 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,602 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,034 |
| Countries by Founding Story | 0 | - | 4.95 | 77,068 |
| Countries by Road Signs | 0 | - | 4.98 | 53,652 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,503 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,928 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,639 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,325 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,519 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,672 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,827 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,260 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,285 |
| Widest Countries East to West | 0 | - | 4.92 | 129,377 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,382 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,959 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,994 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,510 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,221 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,548 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,232 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,727 |
| Countries with Double Letters | 0 | - | 4.97 | 95,091 |
| Countries that End in N | 0 | - | 4.95 | 169,996 |
| Countries with Five Letters | 0 | - | 4.96 | 280,226 |
| Countries with Six Letters | 0 | - | 4.94 | 212,485 |
| Countries with W | 0 | - | 4.97 | 159,522 |
| Countries with Z | 0 | - | 4.98 | 289,804 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,752 |
| Countries That End in U | 0 | - | 4.95 | 120,412 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,755 |
| Countries that End in O | 0 | - | 4.92 | 159,193 |
| Countries that End in R | 0 | - | 4.87 | 118,734 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,512 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,332 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,108 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,082 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,664 |
| Countries That End in Y | 0 | - | 4.90 | 185,647 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,224 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,424 |
| Countries that End in I | 0 | - | 4.94 | 134,869 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,080 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,578 |
| Countries That End in NIA | 0 | - | 4.92 | 109,516 |
| Countries That End in BIA | 0 | - | 4.93 | 148,842 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,716 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,058 |
| Countries That End in RIA | 0 | - | 4.93 | 126,539 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,631 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,706 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,230 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,588 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,112 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,325 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,687 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,244 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,123 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,196 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,827 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,535 |
| Countries that End in L | 0 | - | 4.94 | 156,542 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,018 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,154 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,838 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,724 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,783 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,782 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,168 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,626 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,129 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,617 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,584 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,955 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,600 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,667 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,272 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,743 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,671 |
| One Border Countries | 0 | - | 4.98 | 467,681 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,822,640 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,615,037 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,285 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,555 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,428 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,683 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,270 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,371 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,932 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,581 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,910 |
| Countries by National Anthem | 0 | - | 4.93 | 71,184 |
| NATO Countries | 0 | - | 4.98 | 279,355 |
| EU Countries Quiz | 0 | - | 4.99 | 272,950 |
