| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,082 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,253 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 179,825 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,776 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,079 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,618,747 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,389,685 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,099,930 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,433 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,092 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,356 |
| Countries with Four Letters | 0 | - | 4.99 | 421,974 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,402 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,439 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,267 |
| Landlocked Countries | 0 | - | 4.99 | 419,652 |
| Country Chain | 0 | - | 4.96 | 216,961 |
| Countries by Emojis | 0 | - | 4.99 | 239,320 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,832 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,258 |
| Islands by Country #1 | 0 | - | 4.88 | 175,195 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,456 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,796 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,677 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,761,578 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,358 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,764 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,277 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,393 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,290 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,670 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,187 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,891 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,291 |
| Himalayan Countries | 0 | - | 4.95 | 137,730 |
| Andean Countries | 0 | - | 4.95 | 84,080 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,321 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,851 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,952 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,433 |
| Danube Countries | 0 | - | 4.97 | 71,732 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,657 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,130 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,781 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,861 |
| European Landlocked Countries | 0 | - | 4.99 | 146,857 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,226 |
| Countries with the Most Species | 0 | - | 4.99 | 102,997 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,387 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,455 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,616 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,364 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,041 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,435 |
| Countries in the Alps | 0 | - | 4.87 | 117,808 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,213 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,524 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,466 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,218 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,189 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,773 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,368 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,258 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,017 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,624 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,521 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,368 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,987 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,255 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,273 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,333 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,111 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,620 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,645 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,699 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,418 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,038 |
| Largest Countries By Category | 0 | - | 4.97 | 157,777 |
| Countries by Countries | 0 | - | 4.96 | 62,920 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,321 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,180 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,485 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,404 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,621 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,804 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,656 |
| Island Countries | 0 | - | 4.99 | 710,060 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,857 |
| Northernmost Countries | 0 | - | 4.99 | 360,825 |
| Countries of South America | 0 | - | 5.00 | 923,941 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,533 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,917 |
| "Land" Countries | 0 | - | 4.98 | 335,977 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,032 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,706 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,393 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,385 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,590 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,135 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,824 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,802 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,011 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,689 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,293 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,030 |
| Random Countries by Borders | 0 | - | 4.99 | 82,358 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,874 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,234 |
| Countries with Megacities | 0 | - | 4.99 | 262,282 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,071 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,107 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,378 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,156 |
| Countries by Official Language | 0 | - | 4.95 | 194,783 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,725 |
| Countries in their Native Language | 0 | - | 4.99 | 198,326 |
| Independence from Whom | 0 | - | 4.99 | 211,506 |
| Subdivisions by Country | 0 | - | 4.86 | 50,317 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,843 |
| Megadiverse Countries | 0 | - | 4.96 | 134,818 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,656 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,218 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,792 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,036 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,801 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,427 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,073 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,887 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,527 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,013 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,158 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,757 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,037 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,826 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,197 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,369 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,397 |
| World Map Quiz | 0 | - | 4.81 | 64,716 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,632 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,935 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,107 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,649 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,013 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,742 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,561 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,608 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,760 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,896 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,309 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,348 |
| Widest Countries East to West | 0 | - | 4.92 | 129,439 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,404 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,051 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,027 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,574 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,310 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,623 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,273 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,739 |
| Countries with Double Letters | 0 | - | 4.97 | 95,222 |
| Countries that End in N | 0 | - | 4.95 | 170,220 |
| Countries with Five Letters | 0 | - | 4.96 | 280,920 |
| Countries with Six Letters | 0 | - | 4.94 | 212,661 |
| Countries with W | 0 | - | 4.97 | 159,613 |
| Countries with Z | 0 | - | 4.98 | 290,271 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,852 |
| Countries That End in U | 0 | - | 4.95 | 120,459 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,880 |
| Countries that End in O | 0 | - | 4.92 | 159,244 |
| Countries that End in R | 0 | - | 4.87 | 118,762 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,540 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,464 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,219 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,151 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,750 |
| Countries That End in Y | 0 | - | 4.91 | 185,676 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,389 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,513 |
| Countries that End in I | 0 | - | 4.94 | 134,906 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,426 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,616 |
| Countries That End in NIA | 0 | - | 4.92 | 109,561 |
| Countries That End in BIA | 0 | - | 4.93 | 148,911 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,807 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,131 |
| Countries That End in RIA | 0 | - | 4.93 | 126,585 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,718 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,904 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,323 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,702 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,232 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,380 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,734 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,306 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,223 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,237 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,911 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,635 |
| Countries that End in L | 0 | - | 4.94 | 156,592 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,378 |
