| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,923 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,710 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,580 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,950 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,214 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,624,204 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,469,625 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,101,965 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,794 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,422 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,537 |
| Countries with Four Letters | 0 | - | 4.99 | 422,531 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,629 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,636 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,336 |
| Landlocked Countries | 0 | - | 4.99 | 420,660 |
| Country Chain | 0 | - | 4.96 | 217,117 |
| Countries by Emojis | 0 | - | 4.99 | 239,760 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,955 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,737 |
| Islands by Country #1 | 0 | - | 4.88 | 175,303 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,542 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,895 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,735 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,412 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,807 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,077 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,992 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,771 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,639 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,049 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,468 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 720,928 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,784 |
| Himalayan Countries | 0 | - | 4.95 | 138,139 |
| Andean Countries | 0 | - | 4.95 | 84,289 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,511 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,375 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,145 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,590 |
| Danube Countries | 0 | - | 4.97 | 71,846 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,813 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,252 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,002 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,453 |
| European Landlocked Countries | 0 | - | 4.99 | 146,983 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,397 |
| Countries with the Most Species | 0 | - | 4.99 | 103,103 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,552 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,510 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,664 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,453 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,125 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,516 |
| Countries in the Alps | 0 | - | 4.87 | 117,972 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,671 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,741 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,551 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,463 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,323 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,838 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,480 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,348 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,084 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,710 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,571 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,424 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,079 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,358 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,371 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,567 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,185 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,699 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,833 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,239 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,707 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,116 |
| Largest Countries By Category | 0 | - | 4.97 | 157,946 |
| Countries by Countries | 0 | - | 4.97 | 63,025 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,479 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,221 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,516 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,519 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,400 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,081 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,323 |
| Island Countries | 0 | - | 4.99 | 710,464 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,039 |
| Northernmost Countries | 0 | - | 4.99 | 361,287 |
| Countries of South America | 0 | - | 5.00 | 925,265 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,269 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,329 |
| "Land" Countries | 0 | - | 4.98 | 336,599 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,133 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,764 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,483 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,066 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,711 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,218 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,140 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,116 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,233 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,862 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,099 |
| Random Countries by Borders | 0 | - | 4.99 | 82,456 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,097 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,496 |
| Countries with Megacities | 0 | - | 4.99 | 263,520 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,344 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,270 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,630 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,304 |
| Countries by Official Language | 0 | - | 4.95 | 194,960 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,983 |
| Countries in their Native Language | 0 | - | 4.99 | 198,475 |
| Independence from Whom | 0 | - | 4.99 | 211,743 |
| Subdivisions by Country | 0 | - | 4.86 | 50,369 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,010 |
| Megadiverse Countries | 0 | - | 4.96 | 134,900 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,822 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,267 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,851 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,061 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,931 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,489 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,235 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,943 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,569 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,366 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,798 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,103 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,877 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,257 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,421 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,726 |
| World Map Quiz | 0 | - | 4.81 | 64,891 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,007 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,472 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,204 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,808 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,108 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,840 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,811 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,742 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,873 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,180 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,360 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,451 |
| Widest Countries East to West | 0 | - | 4.92 | 129,518 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,418 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,187 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,067 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,646 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,422 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,714 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,314 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,767 |
| Countries with Double Letters | 0 | - | 4.97 | 95,539 |
| Countries that End in N | 0 | - | 4.95 | 170,563 |
| Countries with Five Letters | 0 | - | 4.96 | 281,573 |
| Countries with Six Letters | 0 | - | 4.94 | 212,965 |
| Countries with W | 0 | - | 4.97 | 159,868 |
| Countries with Z | 0 | - | 4.98 | 290,800 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,149 |
| Countries That End in U | 0 | - | 4.95 | 120,586 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,083 |
| Countries that End in O | 0 | - | 4.92 | 159,333 |
| Countries that End in R | 0 | - | 4.87 | 118,828 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,606 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,685 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,368 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,261 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,878 |
| Countries That End in Y | 0 | - | 4.91 | 185,754 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,575 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,652 |
| Countries that End in I | 0 | - | 4.94 | 134,978 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,766 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,699 |
| Countries That End in NIA | 0 | - | 4.92 | 109,647 |
| Countries That End in BIA | 0 | - | 4.93 | 149,011 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,901 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,240 |
| Countries That End in RIA | 0 | - | 4.93 | 126,672 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,804 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,172 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,456 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,847 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,384 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,445 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,834 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,374 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,333 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,305 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,048 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,767 |
| Countries that End in L | 0 | - | 4.94 | 156,683 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,894 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,205 |
