| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,401 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,628 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,651,023 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,121,282 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,149 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,024 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,278 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,586 |
| Countries with Four Letters | 0 | - | 4.99 | 425,627 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,948 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,829 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,852,454 |
| Landlocked Countries | 0 | - | 4.99 | 425,386 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,653 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 741,618 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,924 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,326 |
| Country Chain | 0 | - | 4.96 | 218,387 |
| Countries by Emojis | 0 | - | 4.99 | 242,018 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,544 |
| Islands by Country #1 | 0 | - | 4.90 | 176,284 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,195 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,513 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,363 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,802,172 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,773 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,285 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,546 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,815 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,903 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,063 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,033 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,051 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,918 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,926 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,067 |
| Himalayan Countries | 0 | - | 4.93 | 140,088 |
| Andean Countries | 0 | - | 4.94 | 85,348 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,494 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,876 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,078 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,353 |
| Danube Countries | 0 | - | 4.97 | 72,337 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,523 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,784 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,023 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,530 |
| European Landlocked Countries | 0 | - | 4.99 | 147,561 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,228 |
| Countries with the Most Species | 0 | - | 4.99 | 103,534 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,351 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,757 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,863 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,684 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,685 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,809 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,542 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,974 |
| Countries in the Alps | 0 | - | 4.87 | 118,715 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,539 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,779 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,934 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,983 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,906 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,214 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,354 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,819 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,390 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,143 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,840 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,716 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,525 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,749 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,850 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,742 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,579 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,626 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,738 |
| 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 | 245,536 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,045 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,482 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,066 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,892 |
| Largest Countries By Category | 0 | - | 4.97 | 158,801 |
| Countries by Countries | 0 | - | 4.96 | 63,602 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,086 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,035 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,653 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,212 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,978 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,387 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,657 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,067 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,503 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,570 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,388 |
| Random Countries by Borders | 0 | - | 4.99 | 83,058 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,552 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,120 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,574 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,504 |
| Island Countries | 0 | - | 4.99 | 712,422 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,781 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,536 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,334 |
| Northernmost Countries | 0 | - | 4.99 | 363,829 |
| Countries of South America | 0 | - | 5.00 | 932,151 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,684 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,040 |
| "Land" Countries | 0 | - | 4.98 | 338,312 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 387,551 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,879 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,620 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,368 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,046 |
| Countries with Megacities | 0 | - | 4.99 | 266,921 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,761 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,067 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,078 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,186 |
| Countries by Official Language | 0 | - | 4.95 | 195,939 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,548 |
| Countries in their Native Language | 0 | - | 4.99 | 199,683 |
| Independence from Whom | 0 | - | 4.99 | 212,994 |
| Subdivisions by Country | 0 | - | 4.87 | 50,601 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,388 |
| Megadiverse Countries | 0 | - | 4.96 | 135,259 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,898 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,520 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,544 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,218 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,707 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,826 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,069 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,551 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,924 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,249 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,466 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,356 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,425 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,135 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,563 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,767 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,266 |
| World Map Quiz | 0 | - | 4.81 | 65,654 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,073 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,687 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,190 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,032 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,525 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,475 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,402 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,500 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,695 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,671 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,613 |
| Widest Countries East to West | 0 | - | 4.92 | 130,419 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,588 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,216 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,505 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,039 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,947 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,445 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,488 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,886 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,852 |
| Countries with Double Letters | 0 | - | 4.96 | 97,007 |
| Countries that End in N | 0 | - | 4.95 | 171,876 |
| Countries with Five Letters | 0 | - | 4.96 | 283,667 |
| Countries with Six Letters | 0 | - | 4.94 | 214,403 |
| Countries with W | 0 | - | 4.96 | 160,898 |
| Countries with Z | 0 | - | 4.98 | 292,370 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,251 |
| Countries That End in U | 0 | - | 4.95 | 121,166 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,058 |
| Countries that End in O | 0 | - | 4.92 | 160,193 |
| Countries that End in R | 0 | - | 4.87 | 119,163 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,918 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,784 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,114 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,795 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,723 |
| Countries That End in Y | 0 | - | 4.91 | 186,078 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,416 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,248 |
| Countries that End in I | 0 | - | 4.94 | 135,300 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,578 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,037 |
| Countries That End in NIA | 0 | - | 4.92 | 110,029 |
| Countries That End in BIA | 0 | - | 4.93 | 149,559 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,498 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,752 |
| Countries That End in RIA | 0 | - | 4.93 | 127,038 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,365 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,527 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,143 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,580 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,144 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,792 |
