| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,747 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,688 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,085 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,325 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 324,691 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,006,491 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.87 | 134,450 |
| Members of the Arab League | 0 | - | 4.86 | 62,384 |
| Sahara Desert Countries | 0 | - | 4.97 | 127,257 |
| Himalayan Countries | 0 | - | 4.94 | 105,088 |
| Andean Countries | 0 | - | 4.91 | 58,322 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,277 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,465 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,823 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,110 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,354 |
| Danube Countries | 0 | - | 4.97 | 56,682 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,727 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,870 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,328 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,428 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,620 |
| European Landlocked Countries | 0 | - | 4.99 | 115,551 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,439 |
| Countries with the Most Species | 0 | - | 4.99 | 89,541 |
| Countries 197 to 205 | 0 | - | 4.89 | 56,414 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,696 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,020 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,336 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,441 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,728 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,201 |
| Countries in the Alps | 0 | - | 4.84 | 102,725 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,384 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,296 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,631 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,325 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,034 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,612 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,691 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,183 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,340 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,698 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,476 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,631 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,698 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,553 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,020 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,532 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 98,214 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,379 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,433 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,632 |
| World Countries - Blind Typing | 0 | - | 5.00 | 73,057 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 42,318 |
| Largest Countries By Category | 0 | - | 4.96 | 145,008 |
| Countries by Countries | 0 | - | 4.96 | 54,706 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,079,548 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,606 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,741 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 44,736 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,308 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,414 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 355,985 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,305 |
| Northernmost Countries | 0 | - | 4.99 | 327,772 |
| Countries of South America | 0 | - | 5.00 | 794,830 |
| Countries of Oceania | 0 | - | 5.00 | 895,351 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,159,394 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,576,203 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,459 |
| Countries with Megacities | 0 | - | 4.99 | 197,730 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,966 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,206 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,777 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,175 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,434 |
| Countries by Official Language | 0 | - | 4.96 | 172,901 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,551 |
| Countries in their Native Language | 0 | - | 4.98 | 178,493 |
| Independence from Whom | 0 | - | 4.99 | 185,862 |
| Subdivisions by Country | 0 | - | 4.82 | 46,473 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,617 |
| Megadiverse Countries | 0 | - | 4.96 | 125,398 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,578 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,411 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,189 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,032 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,185 |
| Countries in Relation to Cities #1 | 0 | - | 4.91 | 41,365 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,910 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,644 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,059 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,986 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,592 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 82,551 |
| World Map Quiz | 0 | - | 4.90 | 49,576 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 113,880 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 81,585 |
| Countries by Founding Story | 0 | - | 4.92 | 54,974 |
| Southernmost Countries of the World | 0 | - | 4.99 | 207,043 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,067 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 108,187 |
| Countries With the Most Languages | 0 | - | 4.91 | 173,978 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,424 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,721 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,431 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 54,057 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,550 |
| Widest Countries East to West | 0 | - | 4.93 | 119,476 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,850 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,147 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,708 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 85,676 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 119,453 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,282 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,494 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,083 |
| Countries with Double Letters | 0 | - | 4.96 | 68,630 |
| Countries that End in N | 0 | - | 4.93 | 132,940 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 230,039 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 187,321 |
| Countries with W | 0 | - | 4.97 | 122,896 |
| Countries with Z | 0 | - | 4.98 | 244,694 |
| Countries with Letters Missing | 0 | - | 4.97 | 167,083 |
| Countries That End in U | 0 | - | 4.95 | 107,654 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,691 |
| Countries that End in O | 0 | - | 4.92 | 147,021 |
| Countries that End in R | 0 | - | 4.85 | 96,530 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,311 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,606 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,927 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,317 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,400 |
| Countries That End in Y | 0 | - | 4.90 | 161,692 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 161,186 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,900 |
| Countries that End in I | 0 | - | 4.92 | 114,545 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,732 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,366 |
| Countries That End in NIA | 0 | - | 4.93 | 100,937 |
| Countries That End in BIA | 0 | - | 4.91 | 126,208 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,376 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,869 |
| Countries That End in RIA | 0 | - | 4.90 | 101,060 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,556 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 201,129 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,886 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,788 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,589 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 92,354 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,846 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,910 |
| Countries with the Word "And" | 0 | - | 4.98 | 83,632 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,889 |
| Countries that End in L | 0 | - | 4.95 | 134,382 |
| "Land" Countries | 0 | - | 4.98 | 289,407 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 189,028 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,199 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,379 |
| City to Country Quiz #3 | 0 | - | 4.87 | 100,264 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,701 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 208,161 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,698 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,590 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 133,229 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 194,116 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,000 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,947 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 92,133 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,405 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 56,140 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,016 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,312,883 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,931 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,068,975 |
| One Border Countries | 0 | - | 4.98 | 410,568 |
| Countries With One Word and Three A's | 0 | - | 4.85 | 30,916 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,400,116 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,232 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,281 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,187 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 99,306 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,088 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,601 |
| Countries by National Anthem | 0 | - | 4.95 | 61,878 |
| NATO Countries Quiz | 0 | - | 4.98 | 225,950 |
| EU Countries Quiz | 0 | - | 4.99 | 228,313 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 144,832 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 77,666 |
| Countries That Use the Euro | 0 | - | 4.92 | 63,336 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 226,209 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 217,904 |
| German-Speaking Countries | 0 | - | 4.88 | 117,604 |
| Countries with Wild Tigers | 0 | - | 4.95 | 110,991 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,260 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 130,434 |
| Top Five Countries by Religion | 0 | - | 4.90 | 142,326 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 88,563 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 81,693 |
