| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,371 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,114 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,416 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,233 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,939 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,191 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,234 |
| Landlocked Countries | 0 | - | 4.99 | 425,442 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,296 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,974 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,188 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,854,865 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 113,564 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 123,163 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,083 |
| Himalayan Countries | 0 | - | 4.93 | 140,101 |
| Andean Countries | 0 | - | 4.94 | 85,362 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,501 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,891 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,085 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,362 |
| Danube Countries | 0 | - | 4.97 | 72,342 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,529 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,788 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,028 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,537 |
| European Landlocked Countries | 0 | - | 4.99 | 147,568 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,239 |
| Countries with the Most Species | 0 | - | 4.99 | 103,539 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,355 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,762 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,866 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,811 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,545 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,977 |
| Countries in the Alps | 0 | - | 4.87 | 118,727 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,544 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,787 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,939 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,989 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,911 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,216 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,357 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,820 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,392 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,146 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,842 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,719 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,528 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,754 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,857 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,746 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,581 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,747 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,628 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,543 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,059 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,483 |
| Largest Countries By Category | 0 | - | 4.97 | 158,807 |
| Countries by Countries | 0 | - | 4.96 | 63,607 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,213 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,388 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,657 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,070 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,802,440 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 99,394 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,153 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,583 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,519 |
| Island Countries | 0 | - | 4.99 | 712,437 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,363 |
| Northernmost Countries | 0 | - | 4.99 | 363,837 |
| Countries of South America | 0 | - | 5.00 | 932,205 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,757 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,127 |
| "Land" Countries | 0 | - | 4.98 | 338,317 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.63 | 51,724 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,865 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,053 |
| Countries with Megacities | 0 | - | 4.99 | 266,935 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,770 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,073 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,085 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,191 |
| Countries by Official Language | 0 | - | 4.95 | 195,947 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,554 |
| Countries in their Native Language | 0 | - | 4.99 | 199,687 |
| Independence from Whom | 0 | - | 4.99 | 212,996 |
| Subdivisions by Country | 0 | - | 4.87 | 50,602 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,392 |
| Megadiverse Countries | 0 | - | 4.96 | 135,260 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,901 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,523 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,562 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,220 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,736 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,828 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,073 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,555 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,947 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,249 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,470 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,358 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,428 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,136 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,564 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,780 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,273 |
| World Map Quiz | 0 | - | 4.81 | 65,665 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,088 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,689 |
| Countries by Founding Story | 0 | - | 4.95 | 77,778 |
| Countries by Road Signs | 0 | - | 4.98 | 54,329 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,196 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,036 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,533 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,479 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,404 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,502 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,697 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,674 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,625 |
| Widest Countries East to West | 0 | - | 4.92 | 130,423 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,589 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,219 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,508 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,043 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,948 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,446 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,488 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,886 |
| Countries with Double Letters | 0 | - | 4.96 | 97,010 |
| Countries that End in N | 0 | - | 4.95 | 171,878 |
| Countries with Five Letters | 0 | - | 4.96 | 283,674 |
| Countries with Six Letters | 0 | - | 4.94 | 214,410 |
| Countries with W | 0 | - | 4.96 | 160,900 |
| Countries with Z | 0 | - | 4.98 | 292,377 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,254 |
| Countries That End in U | 0 | - | 4.95 | 121,167 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,061 |
| Countries that End in O | 0 | - | 4.92 | 160,193 |
| Countries that End in R | 0 | - | 4.87 | 119,166 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,918 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,787 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,119 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,799 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,728 |
| Countries That End in Y | 0 | - | 4.91 | 186,078 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,422 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,251 |
| Countries that End in I | 0 | - | 4.94 | 135,300 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,582 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,038 |
| Countries That End in NIA | 0 | - | 4.92 | 110,031 |
| Countries That End in BIA | 0 | - | 4.93 | 149,560 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,503 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,754 |
| Countries That End in RIA | 0 | - | 4.93 | 127,039 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,369 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,539 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,146 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,584 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,145 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,792 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,312 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,532 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,883 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,641 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,690 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,384 |
| Countries that End in L | 0 | - | 4.94 | 157,105 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 217,893 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,339 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,459 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,956 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,424 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 174,380 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,822 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,221 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,667 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,375 |
| One Border Countries | 0 | - | 4.98 | 471,808 |
| Five Highest HDI Countries by Continent | 0 | - | 4.55 | 58,610 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,847,564 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,651,206 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,625 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,879 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,583 |
| Countries by National Anthem | 0 | - | 4.93 | 71,403 |
| NATO Countries | 0 | - | 4.98 | 283,287 |
| EU Countries Quiz | 0 | - | 4.99 | 277,728 |
| Recently Independent Countries | 0 | - | 4.98 | 160,306 |
| French-Speaking Countries | 0 | - | 4.85 | 271,620 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,030 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,698 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,239 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,802 |
| German-Speaking Countries | 0 | - | 4.92 | 146,008 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,231 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,512 |
