| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,641 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,467 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,385 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,219 |
| Landlocked Countries | 0 | - | 4.99 | 416,907 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,182,061 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,954 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,048 |
| Himalayan Countries | 0 | - | 4.95 | 136,604 |
| Andean Countries | 0 | - | 4.95 | 83,541 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,795 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,077 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,469 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,060 |
| Danube Countries | 0 | - | 4.97 | 71,454 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,266 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,866 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,212 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,195 |
| European Landlocked Countries | 0 | - | 4.99 | 146,155 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,813 |
| Countries with the Most Species | 0 | - | 4.99 | 102,062 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,940 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,342 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,522 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,179 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,828 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,207 |
| Countries in the Alps | 0 | - | 4.86 | 117,365 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,926 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,952 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,273 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,767 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,861 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,276 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,010 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,006 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,826 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,367 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,374 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,215 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,747 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,020 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,026 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,763 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,914 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,442 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,269 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,134 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,635 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,844 |
| Largest Countries By Category | 0 | - | 4.97 | 157,301 |
| Countries by Countries | 0 | - | 4.96 | 62,614 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,908 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,087 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,413 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,822 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,418 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,111 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,742,326 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,129 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,914 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,945 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,624 |
| Northernmost Countries | 0 | - | 4.99 | 359,481 |
| Countries of South America | 0 | - | 5.00 | 919,975 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,366 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,541 |
| "Land" Countries | 0 | - | 4.98 | 334,698 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,088 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,375 |
| Countries with Megacities | 0 | - | 4.99 | 249,136 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,237 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,600 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,556 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,567 |
| Countries by Official Language | 0 | - | 4.95 | 194,066 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,797 |
| Countries in their Native Language | 0 | - | 4.99 | 197,673 |
| Independence from Whom | 0 | - | 4.99 | 210,863 |
| Subdivisions by Country | 0 | - | 4.86 | 50,210 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,381 |
| Megadiverse Countries | 0 | - | 4.96 | 134,559 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,885 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,087 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,954 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,241 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,639 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,567 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,811 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,316 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,592 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,695 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,660 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,872 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,636 |
| World Map Quiz | 0 | - | 4.81 | 64,129 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,517 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,728 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,539 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,487 |
| Countries by Founding Story | 0 | - | 4.95 | 76,902 |
| Countries by Road Signs | 0 | - | 4.98 | 53,444 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,094 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,690 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,421 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,755 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,296 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,485 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,649 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,157 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,654 |
| Widest Countries East to West | 0 | - | 4.92 | 129,161 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,333 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,687 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,933 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,969 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,995 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,381 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,121 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,681 |
| Countries with Double Letters | 0 | - | 4.96 | 94,208 |
| Countries that End in N | 0 | - | 4.95 | 167,176 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,668 |
| Countries with Six Letters | 0 | - | 4.93 | 211,204 |
| Countries with W | 0 | - | 4.97 | 158,880 |
| Countries with Z | 0 | - | 4.98 | 288,864 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,096 |
| Countries That End in U | 0 | - | 4.95 | 119,970 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,208 |
| Countries that End in O | 0 | - | 4.92 | 158,899 |
| Countries that End in R | 0 | - | 4.87 | 118,529 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,305 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,808 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,780 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,835 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,407 |
| Countries That End in Y | 0 | - | 4.90 | 185,449 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,878 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,115 |
| Countries that End in I | 0 | - | 4.94 | 134,687 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,729 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,423 |
| Countries That End in NIA | 0 | - | 4.92 | 109,310 |
| Countries That End in BIA | 0 | - | 4.93 | 148,596 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,450 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,793 |
| Countries That End in RIA | 0 | - | 4.93 | 126,358 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,359 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,135 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,888 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,219 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,816 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,161 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,466 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,970 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,866 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,027 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,543 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,235 |
| Countries that End in L | 0 | - | 4.94 | 156,309 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,001 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,074 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,720 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,581 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,632 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,364 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,826 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,369 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,851 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,283 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,057 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,877 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,299 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,529 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,529 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,517 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,115 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,287 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,941 |
| One Border Countries | 0 | - | 4.98 | 466,534 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,105 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,814,533 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,605,271 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,311 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,954 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,368 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,108 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,120 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,663 |
| Countries by National Anthem | 0 | - | 4.92 | 71,128 |
| NATO Countries | 0 | - | 4.98 | 278,223 |
| EU Countries Quiz | 0 | - | 4.99 | 271,781 |
| Recently Independent Countries | 0 | - | 4.98 | 158,417 |
| French-Speaking Countries | 0 | - | 4.85 | 269,794 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,572 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,007 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,503 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,566 |
| German-Speaking Countries | 0 | - | 4.91 | 144,134 |
