| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,216 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,527 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,644 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,592 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,538 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,593,132 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,581 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,454 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,445 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,105 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,410 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,002,905 |
| Landlocked Countries | 0 | - | 4.99 | 414,625 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,090,148 |
| Countries with Four Letters | 0 | - | 4.99 | 419,123 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,110 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,010 |
| Himalayan Countries | 0 | - | 4.95 | 135,713 |
| Andean Countries | 0 | - | 4.94 | 83,032 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,380 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,451 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,079 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,741 |
| Danube Countries | 0 | - | 4.97 | 71,185 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,907 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,645 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,715 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,617 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,369 |
| Countries with the Most Species | 0 | - | 4.99 | 95,301 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,540 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,239 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,406 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,020 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,658 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,026 |
| Countries in the Alps | 0 | - | 4.86 | 116,988 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,685 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,462 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,111 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,299 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,095 |
| Country Chain | 0 | - | 4.96 | 215,941 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,703 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,845 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,605 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,155 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,235 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,103 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,542 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,829 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,832 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,304 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,741 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,313 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,948 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,879 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,007 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,685 |
| Largest Countries By Category | 0 | - | 4.97 | 156,912 |
| Countries by Emojis | 0 | - | 4.99 | 236,998 |
| Countries by Countries | 0 | - | 4.96 | 62,370 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,219 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,485 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,554 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,001 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,359 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,863 |
| Islands by Country #1 | 0 | - | 4.87 | 174,594 |
| Regions of Countries #1 | 0 | - | 4.97 | 159,004 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,352 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,392 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,205 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,153 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,335 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,834 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,202 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,163 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,711 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,993 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,216 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,499 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,367 |
| Island Countries | 0 | - | 4.99 | 708,023 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,845 |
| Northernmost Countries | 0 | - | 4.99 | 358,289 |
| Countries of South America | 0 | - | 5.00 | 916,645 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,658 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,902 |
| "Land" Countries | 0 | - | 4.98 | 333,921 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,439 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,410 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,936 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,182 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,878 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,743 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,919 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,130 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,608 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,649 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,501 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,664 |
| Random Countries by Borders | 0 | - | 4.99 | 81,763 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,461 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,710 |
| Countries with Megacities | 0 | - | 4.99 | 247,773 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,563 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,240 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,964 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,186 |
| Countries by Official Language | 0 | - | 4.95 | 192,985 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,436 |
| Countries in their Native Language | 0 | - | 4.99 | 196,845 |
| Independence from Whom | 0 | - | 4.99 | 209,958 |
| Subdivisions by Country | 0 | - | 4.86 | 50,115 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,934 |
| Megadiverse Countries | 0 | - | 4.97 | 133,983 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,015 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,968 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,482 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,888 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,791 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,075 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,220 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,235 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,266 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,768 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,770 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,466 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,568 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,557 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,750 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,078 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,902 |
| World Map Quiz | 0 | - | 4.81 | 63,690 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,261 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,444 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,612 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,387 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,128 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,104 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,025 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,216 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,417 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,023 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,462 |
| Widest Countries East to West | 0 | - | 4.92 | 128,957 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,261 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,367 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,617 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,787 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,727 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,155 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 74,347 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,626 |
| Countries with Double Letters | 0 | - | 4.97 | 93,584 |
| Countries that End in N | 0 | - | 4.94 | 157,063 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,906 |
| Countries with Six Letters | 0 | - | 4.93 | 210,567 |
| Countries with W | 0 | - | 4.97 | 158,357 |
| Countries with Z | 0 | - | 4.98 | 288,095 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,682 |
| Countries That End in U | 0 | - | 4.95 | 119,588 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,782 |
| Countries that End in O | 0 | - | 4.92 | 158,617 |
| Countries that End in R | 0 | - | 4.87 | 118,338 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,907 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,304 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,470 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,592 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,137 |
| Countries That End in Y | 0 | - | 4.90 | 185,260 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,530 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,823 |
| Countries that End in I | 0 | - | 4.94 | 134,501 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,362 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,259 |
| Countries That End in NIA | 0 | - | 4.92 | 109,078 |
| Countries That End in BIA | 0 | - | 4.92 | 147,803 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,185 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,587 |
| Countries That End in RIA | 0 | - | 4.93 | 126,155 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,120 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,556 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,619 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,981 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,478 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,983 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,219 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,739 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,621 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,859 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,254 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,923 |
| Countries that End in L | 0 | - | 4.94 | 156,111 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,781 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,012 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,584 |
