| Top Five Countries By Category #1 | 0 | - | 4.99 | 381,868 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 155,915 |
| Top Five Countries By Category #3 | 0 | - | 4.87 | 141,302 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 159,918 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.90 | 66,870 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.82 | 46,000 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,905,196 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 127,537 |
| Solve the Secret Country #2 | 0 | - | 4.91 | 86,065 |
| Anagram Chain - Countries | 0 | - | 4.98 | 95,406 |
| Countries with Four Letters | 0 | - | 4.99 | 374,336 |
| Countries but all Vowels are Changed to O | 0 | - | 4.84 | 33,295 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 43,302 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,435,436 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,166 |
| Country Chain | 0 | - | 4.94 | 176,614 |
| Countries by Emojis | 0 | - | 4.99 | 202,684 |
| Countries With One Word And Two O's | 0 | - | 4.89 | 33,286 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,015,004 |
| Islands by Country #1 | 0 | - | 4.87 | 162,768 |
| Regions of Countries #1 | 0 | - | 4.96 | 149,082 |
| Regions of Countries #2 | 0 | - | 4.95 | 113,790 |
| Regions of Countries #3 | 0 | - | 4.81 | 83,242 |
| Name a Valid Country #3 | 0 | - | 4.98 | 206,691 |
| Name a Valid Country #1 | 0 | - | 4.99 | 224,495 |
| Name a Valid Country #2 | 0 | - | 4.98 | 191,433 |
| Name a Valid Country #4 | 0 | - | 4.96 | 198,336 |
| Name a Valid Country #5 | 0 | - | 4.98 | 144,271 |
| Name a Valid Country #6 | 0 | - | 4.92 | 86,229 |
| Countries on the Equator | 0 | - | 4.82 | 132,303 |
| Members of the Arab League | 0 | - | 4.82 | 59,114 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,069 |
| Himalayan Countries | 0 | - | 4.95 | 102,372 |
| Andean Countries | 0 | - | 4.90 | 56,862 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,704 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,543 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,860 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,522 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,700 |
| Danube Countries | 0 | - | 4.97 | 56,350 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,384 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,586 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,277 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,756 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,357 |
| European Landlocked Countries | 0 | - | 4.99 | 114,827 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,731 |
| Countries with the Most Species | 0 | - | 4.99 | 89,079 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,796 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,426 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,801 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,741 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,100 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,439 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,664 |
| Countries in the Alps | 0 | - | 4.82 | 101,778 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,591 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,726 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,105 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,682 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,331 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,834 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,011 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,733 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,056 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,122 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,886 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,323 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,399 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,939 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,472 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,942 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,528 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,933 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,988 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,927 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,577 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,287 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,934 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 79,099 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 66,907 |
| Largest Countries By Category | 0 | - | 4.96 | 143,835 |
| Countries by Countries | 0 | - | 4.95 | 54,045 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 86,332 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 281,045 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 205,173 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 196,380 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 167,097 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.95 | 104,701 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,359 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,281 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 94,771 |
| Random Countries by Borders | 0 | - | 4.99 | 65,833 |
| Random Name a Valid Country | 0 | - | 4.99 | 165,539 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,447 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 351,513 |
| Island Countries Quiz | 0 | - | 4.99 | 638,312 |
| Biggest Countries by Area | 0 | - | 5.00 | 924,307 |
| Northernmost Countries | 0 | - | 4.99 | 325,233 |
| Countries of South America | 0 | - | 5.00 | 783,190 |
| Countries of Oceania | 0 | - | 5.00 | 881,381 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,106,201 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,550,252 |
| World Map with 10 Random Extra Borders | 0 | - | 4.97 | 320,696 |
| Countries that Produce the Most Beer | 0 | - | 4.89 | 114,426 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 98,348 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,301,614 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,455 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,060 |
| Countries with Megacities | 0 | - | 4.99 | 194,612 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,353 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,809 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,612 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,667 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,905 |
| Countries by Official Language | 0 | - | 4.95 | 153,419 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,577 |
| Countries in their Native Language | 0 | - | 4.98 | 176,934 |
| Independence from Whom | 0 | - | 4.99 | 182,841 |
| Subdivisions by Country | 0 | - | 4.82 | 46,167 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,807 |
| Megadiverse Countries | 0 | - | 4.96 | 124,711 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,876 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 105,986 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,113 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,026 |
| Most Recently-Settled Countries | 0 | - | 4.91 | 48,592 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,538 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,285 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,477 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,966 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,794 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,783 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,337 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,473 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,900 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,728 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,033,598 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 79,975 |
| World Map Quiz | 0 | - | 4.90 | 48,073 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,706 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,253 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,068 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,019 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,472 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,531 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,842 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,421 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,272 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,813 |
| Widest Countries East to West | 0 | - | 4.93 | 118,678 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,671 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,840 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,084 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,753 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,618 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,475 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,244 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,852 |
| Countries with Double Letters | 0 | - | 4.96 | 66,726 |
| Countries that End in N | 0 | - | 4.94 | 131,167 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,626 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,465 |
| Countries with W | 0 | - | 4.97 | 121,463 |
| Countries with Z | 0 | - | 4.98 | 242,203 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,478 |
| Countries That End in U | 0 | - | 4.94 | 106,830 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,182 |
| Countries that End in O | 0 | - | 4.92 | 146,306 |
| Countries that End in R | 0 | - | 4.86 | 96,068 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,822 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,469 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,821 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,540 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,470 |
| Countries That End in Y | 0 | - | 4.90 | 160,767 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,577 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,782 |
| Countries that End in I | 0 | - | 4.92 | 114,128 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,355 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,783 |
| Countries That End in NIA | 0 | - | 4.93 | 100,302 |
| Countries That End in BIA | 0 | - | 4.91 | 125,299 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,331 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,014 |
| Countries That End in RIA | 0 | - | 4.89 | 100,441 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,713 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,580 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,587 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 109,389 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,308 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,501 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,877 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,355 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,746 |
| Countries that End in L | 0 | - | 4.95 | 133,315 |
| "Land" Countries | 0 | - | 4.98 | 287,833 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 187,722 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,066 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,671 |
