| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,535 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,875 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,297 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,118 |
| Landlocked Countries | 0 | - | 4.99 | 415,288 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,050,529 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,817 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,260 |
| Himalayan Countries | 0 | - | 4.95 | 135,950 |
| Andean Countries | 0 | - | 4.94 | 83,160 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,479 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,613 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,177 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,823 |
| Danube Countries | 0 | - | 4.97 | 71,259 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,988 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,705 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,844 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,784 |
| European Landlocked Countries | 0 | - | 4.99 | 145,953 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,505 |
| Countries with the Most Species | 0 | - | 4.99 | 95,340 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,636 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,267 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,439 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,061 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,711 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,068 |
| Countries in the Alps | 0 | - | 4.86 | 117,110 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,753 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,576 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,156 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,580 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,371 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,791 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,892 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,682 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,203 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,271 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,137 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,610 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,875 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,887 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,445 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,793 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,013 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,214 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,170 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,720 |
| Largest Countries By Category | 0 | - | 4.97 | 157,013 |
| Countries by Countries | 0 | - | 4.96 | 62,434 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,656 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,021 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,376 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,276 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,268 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,930 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,730,164 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,748 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,764 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,732 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,603 |
| Northernmost Countries | 0 | - | 4.99 | 358,653 |
| Countries of South America | 0 | - | 5.00 | 917,676 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,019 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,854,032 |
| "Land" Countries | 0 | - | 4.98 | 334,082 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,829 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,882 |
| Countries with Megacities | 0 | - | 4.99 | 248,129 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,766 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,344 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,151 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,285 |
| Countries by Official Language | 0 | - | 4.95 | 193,163 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,681 |
| Countries in their Native Language | 0 | - | 4.99 | 196,994 |
| Independence from Whom | 0 | - | 4.99 | 210,130 |
| Subdivisions by Country | 0 | - | 4.86 | 50,145 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,047 |
| Megadiverse Countries | 0 | - | 4.97 | 134,405 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,161 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,008 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,903 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,120 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,319 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,440 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,785 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,904 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,515 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,619 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,580 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,792 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,115 |
| World Map Quiz | 0 | - | 4.81 | 63,785 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,604 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,579 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,334 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,345 |
| Countries by Founding Story | 0 | - | 4.95 | 76,710 |
| Countries by Road Signs | 0 | - | 4.98 | 53,271 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,770 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,511 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,230 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,300 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,105 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,304 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,495 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,073 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,523 |
| Widest Countries East to West | 0 | - | 4.92 | 129,021 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,283 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,476 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,648 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,859 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,817 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,224 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,607 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,641 |
| Countries with Double Letters | 0 | - | 4.96 | 93,674 |
| Countries that End in N | 0 | - | 4.94 | 157,136 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,023 |
| Countries with Six Letters | 0 | - | 4.93 | 210,683 |
| Countries with W | 0 | - | 4.97 | 158,417 |
| Countries with Z | 0 | - | 4.98 | 288,234 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,752 |
| Countries That End in U | 0 | - | 4.95 | 119,611 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,869 |
| Countries that End in O | 0 | - | 4.92 | 158,657 |
| Countries that End in R | 0 | - | 4.87 | 118,376 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,934 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,406 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,556 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,646 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,197 |
| Countries That End in Y | 0 | - | 4.90 | 185,285 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,617 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,896 |
| Countries that End in I | 0 | - | 4.94 | 134,542 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,468 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,299 |
| Countries That End in NIA | 0 | - | 4.92 | 109,117 |
| Countries That End in BIA | 0 | - | 4.92 | 147,850 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,256 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,635 |
| Countries That End in RIA | 0 | - | 4.93 | 126,197 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,183 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,713 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,683 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,032 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,582 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,026 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,282 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,795 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,681 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,896 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,343 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,992 |
| Countries that End in L | 0 | - | 4.94 | 156,155 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,120 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,021 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,622 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,453 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,525 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,965 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,624 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,691 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,644 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,021 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,918 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,816 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,244 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,465 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,421 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,248 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,060 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,801 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,335 |
| One Border Countries | 0 | - | 4.98 | 465,621 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,780 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,807,780 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,596,506 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,149 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,540 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,147 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,623 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,947 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,512 |
| Countries by National Anthem | 0 | - | 4.93 | 71,072 |
| NATO Countries | 0 | - | 4.98 | 277,213 |
| EU Countries Quiz | 0 | - | 4.99 | 270,899 |
| Recently Independent Countries | 0 | - | 4.98 | 158,199 |
| French-Speaking Countries | 0 | - | 4.85 | 269,274 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,447 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,536 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,721 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,436 |
| German-Speaking Countries | 0 | - | 4.89 | 123,609 |
