| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,202 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,401 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,999 |
| North Sea Countries | 0 | - | 4.92 | 87,340 |
| Black Sea Countries | 0 | - | 4.87 | 60,583 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,337 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,435 |
| Countries With No Rivers | 0 | - | 4.96 | 76,734 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,775 |
| Countries with Fjords | 0 | - | 4.94 | 100,816 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,782 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,645 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,537 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,049 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,623 |
| Megadiverse Countries | 0 | - | 4.96 | 134,805 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,593 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,716 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,092 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,117 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,375,837 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,355 |
| Landlocked Countries | 0 | - | 4.99 | 419,492 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,495 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,333 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,155 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,220 |
| Himalayan Countries | 0 | - | 4.95 | 137,662 |
| Andean Countries | 0 | - | 4.95 | 84,058 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,304 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,806 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,923 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,420 |
| Danube Countries | 0 | - | 4.97 | 71,723 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,638 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,114 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,748 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,822 |
| European Landlocked Countries | 0 | - | 4.99 | 146,838 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,206 |
| Countries with the Most Species | 0 | - | 4.99 | 102,982 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,363 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,443 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,609 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,347 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,022 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,417 |
| Countries in the Alps | 0 | - | 4.87 | 117,773 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,196 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,479 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,453 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,074 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,164 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,758 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,351 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,242 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,005 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,603 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,514 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,363 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,971 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,238 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,257 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,292 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,097 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,599 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,628 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,624 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,363 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,030 |
| Largest Countries By Category | 0 | - | 4.97 | 157,744 |
| Countries by Countries | 0 | - | 4.96 | 62,897 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,384 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,406 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,958 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,735 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,477 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,753 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,425 |
| Island Countries | 0 | - | 4.99 | 709,996 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,997 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,670 |
| Northernmost Countries | 0 | - | 4.99 | 360,741 |
| Countries of South America | 0 | - | 5.00 | 923,713 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,163 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,341 |
| "Land" Countries | 0 | - | 4.98 | 335,933 |
| Biggest City by River | 0 | - | 4.41 | 52,832 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,515 |
| Landforms by Country | 0 | - | 4.52 | 51,965 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,053 |
| African Great Lakes | 0 | - | 4.82 | 66,116 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,125 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,922 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,181 |
| Countries with Megacities | 0 | - | 4.99 | 261,926 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,041 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,083 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,336 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,118 |
| Countries by Official Language | 0 | - | 4.95 | 194,748 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,679 |
| Countries in their Native Language | 0 | - | 4.99 | 198,287 |
| Independence from Whom | 0 | - | 4.99 | 211,462 |
| Subdivisions by Country | 0 | - | 4.86 | 50,310 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,808 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,624 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,209 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,781 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,031 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,768 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,417 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,057 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,877 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,517 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,009 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,116 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,746 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,022 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,808 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,183 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,357 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,351 |
| World Map Quiz | 0 | - | 4.81 | 64,685 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,086 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,627 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,999 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,719 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,497 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,594 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,736 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,878 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,301 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,336 |
| Widest Countries East to West | 0 | - | 4.92 | 129,422 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,399 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,017 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,015 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,560 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,285 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,608 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,261 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,736 |
| Countries with Double Letters | 0 | - | 4.97 | 95,175 |
| Countries that End in N | 0 | - | 4.95 | 170,174 |
| Countries with Five Letters | 0 | - | 4.96 | 280,796 |
| Countries with Six Letters | 0 | - | 4.94 | 212,609 |
| Countries with W | 0 | - | 4.97 | 159,582 |
| Countries with Z | 0 | - | 4.98 | 289,957 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,816 |
| Countries That End in U | 0 | - | 4.95 | 120,441 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,831 |
| Countries that End in O | 0 | - | 4.92 | 159,230 |
| Countries that End in R | 0 | - | 4.87 | 118,757 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,535 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,432 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,176 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,131 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,722 |
| Countries That End in Y | 0 | - | 4.91 | 185,669 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,327 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,490 |
| Countries that End in I | 0 | - | 4.94 | 134,901 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,189 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,606 |
| Countries That End in NIA | 0 | - | 4.92 | 109,544 |
| Countries That End in BIA | 0 | - | 4.93 | 148,891 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,782 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,113 |
| Countries That End in RIA | 0 | - | 4.93 | 126,568 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,699 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,853 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,299 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,683 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,209 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,363 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,724 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,291 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,189 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,230 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,604 |
| Countries that End in L | 0 | - | 4.94 | 156,578 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,276 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,163 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,868 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,754 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,807 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,885 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,252 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,691 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,194 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,690 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,624 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,975 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,611 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,701 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,824,741 |
| One Border Countries | 0 | - | 4.98 | 467,990 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,617,896 |