| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,529 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,059 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,335 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,168 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,342 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,632,493 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,345 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,914 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,788 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,980 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,914 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,588,036 |
| Landlocked Countries | 0 | - | 4.99 | 422,048 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,361 |
| Countries with Four Letters | 0 | - | 4.99 | 423,319 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,256 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,493 |
| Himalayan Countries | 0 | - | 4.94 | 138,763 |
| Andean Countries | 0 | - | 4.93 | 84,625 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,825 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,849 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,445 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,819 |
| Danube Countries | 0 | - | 4.97 | 72,019 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,018 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,429 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,325 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,805 |
| European Landlocked Countries | 0 | - | 4.99 | 147,151 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,659 |
| Countries with the Most Species | 0 | - | 4.99 | 103,247 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,778 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,598 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,725 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,545 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,235 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,666 |
| Countries in the Alps | 0 | - | 4.87 | 118,220 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,165 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,048 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,659 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,599 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,522 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,951 |
| Country Chain | 0 | - | 4.96 | 217,393 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,685 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,497 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,183 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,858 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,662 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,531 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,237 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,479 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,532 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,924 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,315 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,876 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,089 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,972 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,136 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,237 |
| Largest Countries By Category | 0 | - | 4.97 | 158,224 |
| Countries by Emojis | 0 | - | 4.99 | 240,403 |
| Countries by Countries | 0 | - | 4.96 | 63,234 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,105 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,725 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,698 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,291 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,679 |
| Islands by Country #1 | 0 | - | 4.88 | 175,475 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,639 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,033 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,810 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,385 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,650 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,228 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,464 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,628 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,642 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,965 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 722,709 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,622 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,519 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,313 |
| Island Countries | 0 | - | 4.99 | 711,069 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,951 |
| Northernmost Countries | 0 | - | 4.99 | 361,988 |
| Countries of South America | 0 | - | 5.00 | 927,431 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,040 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,510 |
| "Land" Countries | 0 | - | 4.98 | 337,354 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,266 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,856 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,599 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,825 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,931 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,343 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,670 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,589 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,618 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,126 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,194 |
| Random Countries by Borders | 0 | - | 4.99 | 82,633 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,421 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,915 |
| Countries with Megacities | 0 | - | 4.99 | 264,597 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,751 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,474 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,014 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,548 |
| Countries by Official Language | 0 | - | 4.95 | 195,267 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,390 |
| Countries in their Native Language | 0 | - | 4.99 | 199,054 |
| Independence from Whom | 0 | - | 4.99 | 212,116 |
| Subdivisions by Country | 0 | - | 4.86 | 50,432 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,743 |
| Megadiverse Countries | 0 | - | 4.96 | 135,016 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,105 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,364 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,238 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,108 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,146 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,602 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,478 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,033 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,662 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,148 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,681 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,885 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,206 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,967 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,353 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,499 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,197 |
| World Map Quiz | 0 | - | 4.81 | 65,095 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,319 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,353 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,107 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,282 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,001 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,209 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,898 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,018 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,305 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,442 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,580 |
| Widest Countries East to West | 0 | - | 4.92 | 129,653 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,459 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,389 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,123 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,769 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,604 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,877 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,376 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,797 |
| Countries with Double Letters | 0 | - | 4.96 | 96,240 |
| Countries that End in N | 0 | - | 4.95 | 171,127 |
| Countries with Five Letters | 0 | - | 4.96 | 282,476 |
| Countries with Six Letters | 0 | - | 4.94 | 213,549 |
| Countries with W | 0 | - | 4.97 | 160,327 |
| Countries with Z | 0 | - | 4.98 | 291,450 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,699 |
| Countries That End in U | 0 | - | 4.95 | 120,854 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,466 |
| Countries that End in O | 0 | - | 4.92 | 159,508 |
| Countries that End in R | 0 | - | 4.87 | 118,969 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,730 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,090 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,694 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,472 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,399 |
| Countries That End in Y | 0 | - | 4.91 | 185,872 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,914 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,855 |
| Countries that End in I | 0 | - | 4.94 | 135,089 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,103 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,822 |
| Countries That End in NIA | 0 | - | 4.92 | 109,786 |
| Countries That End in BIA | 0 | - | 4.93 | 149,199 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,117 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,425 |
| Countries That End in RIA | 0 | - | 4.93 | 126,806 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,019 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,615 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,702 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,119 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,669 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,576 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,029 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,443 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,524 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,420 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,279 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,978 |
| Countries that End in L | 0 | - | 4.94 | 156,840 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,765 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,263 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,023 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,953 |
