| Solve the Secret Country #1 | 0 | - | 4.93 | 168,074 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,318 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,607 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,851 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,122,004 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,651,451 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,964 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,858,468 |
| Landlocked Countries | 0 | - | 4.99 | 425,514 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,183 |
| Countries with Four Letters | 0 | - | 4.99 | 425,662 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,802,792 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,105 |
| Himalayan Countries | 0 | - | 4.93 | 140,124 |
| Andean Countries | 0 | - | 4.94 | 85,371 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,518 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,903 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,095 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,370 |
| Danube Countries | 0 | - | 4.97 | 72,347 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,547 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,799 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,040 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,547 |
| European Landlocked Countries | 0 | - | 4.99 | 147,574 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,246 |
| Countries with the Most Species | 0 | - | 4.99 | 103,541 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,364 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,763 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,868 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,937 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,816 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,344 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,554 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,980 |
| Countries in the Alps | 0 | - | 4.87 | 118,734 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,550 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,800 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,941 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,993 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,914 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,224 |
| Country Chain | 0 | - | 4.96 | 218,400 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,363 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,822 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,396 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,150 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,846 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,724 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,532 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,760 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,860 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,761 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,585 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,760 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,634 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,560 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,072 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,484 |
| Largest Countries By Category | 0 | - | 4.97 | 158,812 |
| Countries by Emojis | 0 | - | 4.99 | 242,198 |
| Countries by Countries | 0 | - | 4.96 | 63,614 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,554 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,698 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,216 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,389 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,659 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,079 |
| Islands by Country #1 | 0 | - | 4.90 | 176,299 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,202 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,523 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,366 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,839 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,928 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,112 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,064 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,083 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,947 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,976 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 741,800 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,197 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,601 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,551 |
| Island Countries | 0 | - | 4.99 | 712,459 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,420 |
| Northernmost Countries | 0 | - | 4.99 | 363,861 |
| Countries of South America | 0 | - | 5.00 | 932,280 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,874 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,351 |
| "Land" Countries | 0 | - | 4.98 | 338,325 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,699 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,691 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,631 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,071 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,896 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,990 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,415 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,638 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,115 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,063 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,673 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,995 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,514 |
| Random Countries by Borders | 0 | - | 4.99 | 83,067 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,576 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,069 |
| Countries with Megacities | 0 | - | 4.99 | 266,962 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,787 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,088 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,097 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,203 |
| Countries by Official Language | 0 | - | 4.95 | 195,951 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,565 |
| Countries in their Native Language | 0 | - | 4.99 | 199,694 |
| Independence from Whom | 0 | - | 4.99 | 213,005 |
| Subdivisions by Country | 0 | - | 4.87 | 50,604 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,401 |
| Megadiverse Countries | 0 | - | 4.96 | 135,264 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,908 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,530 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,590 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,221 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,769 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,831 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,081 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,557 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,967 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,249 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,480 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,361 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,433 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,136 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,566 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,795 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,290 |
| World Map Quiz | 0 | - | 4.81 | 65,673 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,115 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,696 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,204 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,045 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,537 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,492 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,409 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,509 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,703 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,677 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,641 |
| Widest Countries East to West | 0 | - | 4.92 | 130,428 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,590 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,230 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,510 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,049 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,951 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,451 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,490 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,887 |
| Countries with Double Letters | 0 | - | 4.96 | 97,020 |
| Countries that End in N | 0 | - | 4.95 | 171,884 |
| Countries with Five Letters | 0 | - | 4.96 | 283,690 |
| Countries with Six Letters | 0 | - | 4.94 | 214,422 |
| Countries with W | 0 | - | 4.96 | 160,904 |
| Countries with Z | 0 | - | 4.98 | 292,386 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,256 |
| Countries That End in U | 0 | - | 4.95 | 121,172 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,068 |
| Countries that End in O | 0 | - | 4.92 | 160,194 |
| Countries that End in R | 0 | - | 4.87 | 119,169 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,919 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,797 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,121 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,804 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,734 |
| Countries That End in Y | 0 | - | 4.91 | 186,079 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,427 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,255 |
| Countries that End in I | 0 | - | 4.94 | 135,303 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,590 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,042 |
| Countries That End in NIA | 0 | - | 4.92 | 110,040 |
| Countries That End in BIA | 0 | - | 4.93 | 149,564 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,510 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,758 |
| Countries That End in RIA | 0 | - | 4.93 | 127,041 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,374 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,545 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,148 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,595 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,149 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,793 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,314 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,532 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,890 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,642 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,697 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,394 |
| Countries that End in L | 0 | - | 4.94 | 157,108 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 217,910 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,340 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,467 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,960 |
