| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,839 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,678 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,443 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,931 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,200 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,623,094 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,456,565 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,101,625 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,737 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,373 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,510 |
| Countries with Four Letters | 0 | - | 4.99 | 422,438 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,595 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,604 |
| Landlocked Countries | 0 | - | 4.99 | 420,484 |
| Country Chain | 0 | - | 4.96 | 217,093 |
| Countries by Emojis | 0 | - | 4.99 | 239,708 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,929 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,657 |
| Islands by Country #1 | 0 | - | 4.88 | 175,288 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,526 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,886 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,725 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,370 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,739 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,033 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,891 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,714 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,588 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,996 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,438 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 720,739 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,693 |
| Himalayan Countries | 0 | - | 4.95 | 138,077 |
| Andean Countries | 0 | - | 4.95 | 84,261 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,482 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,313 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,113 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,556 |
| Danube Countries | 0 | - | 4.97 | 71,829 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,787 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,230 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,961 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,414 |
| European Landlocked Countries | 0 | - | 4.99 | 146,962 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,371 |
| Countries with the Most Species | 0 | - | 4.99 | 103,087 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,528 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,503 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,658 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,443 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,113 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,502 |
| Countries in the Alps | 0 | - | 4.87 | 117,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,372 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,695 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,547 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,449 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,305 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,831 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,466 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,336 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,074 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,701 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,564 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,418 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,067 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,349 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,363 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,527 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,177 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,687 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,822 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,151 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,657 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,104 |
| Largest Countries By Category | 0 | - | 4.97 | 157,923 |
| Countries by Countries | 0 | - | 4.97 | 63,008 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,460 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,214 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,508 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,502 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,258 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,031 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,205 |
| Island Countries | 0 | - | 4.99 | 710,367 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,829 |
| Northernmost Countries | 0 | - | 4.99 | 361,210 |
| Countries of South America | 0 | - | 5.00 | 925,031 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,983 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,801 |
| "Land" Countries | 0 | - | 4.98 | 336,334 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,123 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,751 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,468 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,581 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,691 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,206 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,106 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,073 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,205 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,828 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,088 |
| Random Countries by Borders | 0 | - | 4.99 | 82,440 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,062 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,455 |
| Countries with Megacities | 0 | - | 4.99 | 263,383 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,293 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,240 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,588 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,280 |
| Countries by Official Language | 0 | - | 4.95 | 194,927 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,942 |
| Countries in their Native Language | 0 | - | 4.99 | 198,452 |
| Independence from Whom | 0 | - | 4.99 | 211,709 |
| Subdivisions by Country | 0 | - | 4.86 | 50,360 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,981 |
| Megadiverse Countries | 0 | - | 4.96 | 134,880 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,792 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,256 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,845 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,059 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,909 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,478 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,331 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,215 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,936 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,565 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,041 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,339 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,794 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,092 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,869 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,253 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,416 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,661 |
| World Map Quiz | 0 | - | 4.81 | 64,859 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,938 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,404 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,196 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,778 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,093 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,827 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,770 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,716 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,849 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,092 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,352 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,432 |
| Widest Countries East to West | 0 | - | 4.92 | 129,501 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,415 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,161 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,061 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,639 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,410 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,702 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,310 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,764 |
| Countries with Double Letters | 0 | - | 4.97 | 95,395 |
| Countries that End in N | 0 | - | 4.95 | 170,433 |
| Countries with Five Letters | 0 | - | 4.96 | 281,373 |
| Countries with Six Letters | 0 | - | 4.94 | 212,840 |
| Countries with W | 0 | - | 4.97 | 159,730 |
| Countries with Z | 0 | - | 4.98 | 290,647 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,994 |
| Countries That End in U | 0 | - | 4.95 | 120,528 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,010 |
| Countries that End in O | 0 | - | 4.92 | 159,293 |
| Countries that End in R | 0 | - | 4.87 | 118,810 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,580 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,626 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,338 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,225 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,841 |
| Countries That End in Y | 0 | - | 4.91 | 185,731 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,542 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,624 |
| Countries that End in I | 0 | - | 4.94 | 134,961 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,740 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,672 |
| Countries That End in NIA | 0 | - | 4.92 | 109,633 |
| Countries That End in BIA | 0 | - | 4.93 | 148,987 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,884 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,213 |
| Countries That End in RIA | 0 | - | 4.93 | 126,653 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,781 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,118 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,429 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,814 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,348 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,422 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,805 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,362 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,304 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,289 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,012 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,730 |
| Countries that End in L | 0 | - | 4.94 | 156,664 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,816 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,195 |
