| Megadiverse Countries | 0 | - | 4.96 | 135,162 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,126 |
| North Sea Countries | 0 | - | 4.92 | 87,613 |
| Black Sea Countries | 0 | - | 4.87 | 60,702 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,516 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,621 |
| Countries With No Rivers | 0 | - | 4.96 | 77,047 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,335 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,131 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,428 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 87,437 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,746,061 |
| Landlocked Countries | 0 | - | 4.99 | 424,006 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,822 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,911 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,590 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,793,224 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,424 |
| Himalayan Countries | 0 | - | 4.94 | 139,599 |
| Andean Countries | 0 | - | 4.94 | 85,089 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,284 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,510 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,847 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,143 |
| Danube Countries | 0 | - | 4.97 | 72,227 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,336 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,651 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,747 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,251 |
| European Landlocked Countries | 0 | - | 4.99 | 147,400 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,008 |
| Countries with the Most Species | 0 | - | 4.99 | 103,436 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,131 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,690 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,801 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,711 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,444 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,858 |
| Countries in the Alps | 0 | - | 4.87 | 118,508 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,131 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,488 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,823 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,825 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,758 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,105 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,946 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,688 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,313 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,028 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,770 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,636 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,401 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,643 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,734 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,404 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,483 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,333 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,386 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,990 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,709 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,393 |
| Largest Countries By Category | 0 | - | 4.97 | 158,567 |
| Countries by Countries | 0 | - | 4.96 | 63,455 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,542 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,204 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,030 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,351 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,628 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,924 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,515 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,406 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,159 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,656 |
| Island Countries | 0 | - | 4.99 | 711,849 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,683 |
| Northernmost Countries | 0 | - | 4.99 | 363,178 |
| Countries of South America | 0 | - | 5.00 | 930,166 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,546 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,901 |
| "Land" Countries | 0 | - | 4.98 | 337,923 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,207 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,802 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,389,214 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,946 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,439 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,238 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,835 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,486 |
| Countries with Megacities | 0 | - | 4.99 | 265,947 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,281 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,765 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,535 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,883 |
| Countries by Official Language | 0 | - | 4.95 | 195,678 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,167 |
| Countries in their Native Language | 0 | - | 4.99 | 199,450 |
| Independence from Whom | 0 | - | 4.99 | 212,628 |
| Subdivisions by Country | 0 | - | 4.87 | 50,543 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,122 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,468 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,464 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,355 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,167 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,387 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,711 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,798 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,476 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,752 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,210 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,116 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,277 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,341 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,067 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,482 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,611 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,881 |
| World Map Quiz | 0 | - | 4.81 | 65,390 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,371 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,542 |
| Countries by Founding Story | 0 | - | 4.95 | 77,596 |
| Countries by Road Signs | 0 | - | 4.98 | 54,217 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,819 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,726 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,374 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,037 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,222 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,349 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,552 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,594 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,473 |
| Widest Countries East to West | 0 | - | 4.92 | 130,239 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,544 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,045 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,448 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,943 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,818 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,257 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,453 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,854 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,793 |
| Countries with Double Letters | 0 | - | 4.96 | 96,712 |
| Countries that End in N | 0 | - | 4.95 | 171,594 |
| Countries with Five Letters | 0 | - | 4.96 | 283,255 |
| Countries with Six Letters | 0 | - | 4.94 | 214,058 |
| Countries with W | 0 | - | 4.96 | 160,663 |
| Countries with Z | 0 | - | 4.98 | 292,013 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,033 |
| Countries That End in U | 0 | - | 4.95 | 121,039 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,824 |
| Countries that End in O | 0 | - | 4.92 | 159,684 |
| Countries that End in R | 0 | - | 4.87 | 119,081 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,837 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,496 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,952 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,669 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,593 |
| Countries That End in Y | 0 | - | 4.91 | 186,008 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,219 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,092 |
| Countries that End in I | 0 | - | 4.94 | 135,224 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,403 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,945 |
| Countries That End in NIA | 0 | - | 4.92 | 109,935 |
| Countries That End in BIA | 0 | - | 4.93 | 149,417 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,350 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,644 |
| Countries That End in RIA | 0 | - | 4.93 | 126,951 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,234 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,146 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,975 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,413 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,965 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,700 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,208 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,495 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,735 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,556 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,533 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,222 |
| Countries that End in L | 0 | - | 4.94 | 157,006 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,797 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,309 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,162 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,097 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,144 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,143 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,938 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,311 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,076 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,750 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,071 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,176 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,763 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,130 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,493 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,801 |
| Landforms by Country | 0 | - | 4.52 | 52,005 |
| One Border Countries | 0 | - | 4.98 | 471,070 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,842,665 |
| African Great Lakes | 0 | - | 4.82 | 66,780 |
