| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,040 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,270 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,325 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,379 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,595 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,724 |
| South China Sea Countries | 0 | - | 4.78 | 57,652 |
| African Great Lakes | 0 | - | 4.82 | 66,012 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,901 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,804 |
| Countries with Four Letters | 0 | - | 4.99 | 421,455 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,222 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,788 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,038 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,737 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,141 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,831 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,030 |
| Landforms by Country | 0 | - | 4.52 | 51,958 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,126 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,198 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,315,322 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,678 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,761 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,424 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,643 |
| Country Chain | 0 | - | 4.96 | 216,783 |
| Countries by Emojis | 0 | - | 4.99 | 238,539 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,669 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 184,134 |
| Islands by Country #1 | 0 | - | 4.88 | 175,067 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,347 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,694 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,602 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,904 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,874 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,430 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,512 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,965 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,885 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,255 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,881 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,778 |
| Sea in the Answers | 0 | - | 4.10 | 48,800 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,740 |
| Landlocked Countries | 0 | - | 4.99 | 418,615 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,530 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,914 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,916 |
| Countries With No Rivers | 0 | - | 4.96 | 76,692 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,619 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,273 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,461 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,062 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,412 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,444 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,725 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,498 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,893 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,873 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,956 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,006 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,964 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,097 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,646 |
| Random Countries by Borders | 0 | - | 4.99 | 82,262 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,636 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,210 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,339 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 381,950 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,616 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,026 |
| Seas of Europe | 0 | - | 4.37 | 84,573 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,643 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,730 |
| Capitals by River | 0 | - | 4.55 | 48,289 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,832 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,514 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,952 |
| Island Countries | 0 | - | 4.99 | 709,621 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,831 |
| Himalayan Countries | 0 | - | 4.94 | 137,282 |
| Andean Countries | 0 | - | 4.95 | 83,858 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,136 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,536 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,785 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,305 |
| Danube Countries | 0 | - | 4.97 | 71,618 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,507 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,022 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,586 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,658 |
| European Landlocked Countries | 0 | - | 4.99 | 146,737 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,090 |
| Countries with the Most Species | 0 | - | 4.99 | 102,874 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,221 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,422 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,576 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,282 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,962 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,338 |
| Countries in the Alps | 0 | - | 4.87 | 117,634 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,101 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,313 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,387 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,955 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,055 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,425 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,245 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,158 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,945 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,525 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,458 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,323 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,897 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,171 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,183 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,128 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,044 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,554 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,483 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,237 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,154 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,975 |
| Largest Countries By Category | 0 | - | 4.97 | 157,584 |
| Countries by Countries | 0 | - | 4.96 | 62,812 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,901 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,101 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,163 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,149 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,730 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,464 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,296 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,755 |
| Northernmost Countries | 0 | - | 4.99 | 360,356 |
| Countries of South America | 0 | - | 5.00 | 922,552 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,546 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,546 |
| "Land" Countries | 0 | - | 4.98 | 335,730 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,863 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,277 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,340 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,910 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,617 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,933 |
| Countries with Megacities | 0 | - | 4.99 | 257,708 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,801 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,936 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,081 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,945 |
| Countries by Official Language | 0 | - | 4.95 | 194,586 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,466 |
| Countries in their Native Language | 0 | - | 4.99 | 198,134 |
| Independence from Whom | 0 | - | 4.99 | 211,247 |
| Subdivisions by Country | 0 | - | 4.86 | 50,273 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,650 |
| Megadiverse Countries | 0 | - | 4.96 | 134,747 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,510 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,170 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,734 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,007 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,673 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,360 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,932 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,825 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,468 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,975 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,894 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,699 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,971 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,758 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,124 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,309 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,119 |
| World Map Quiz | 0 | - | 4.81 | 64,474 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,490 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,005 |
| Countries by Founding Story | 0 | - | 4.95 | 77,042 |
| Countries by Road Signs | 0 | - | 4.98 | 53,629 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,446 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,898 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,609 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,268 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,489 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,651 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,803 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,248 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,257 |
| Widest Countries East to West | 0 | - | 4.92 | 129,341 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,927 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,983 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,492 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,184 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,520 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,222 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,723 |
| Countries with Double Letters | 0 | - | 4.97 | 95,043 |
| Countries that End in N | 0 | - | 4.95 | 169,899 |
| Countries with Five Letters | 0 | - | 4.96 | 279,867 |
