| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,873 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,887 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,988 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,838 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,665 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,602,424 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,136,031 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,093,777 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,249 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,055 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,767 |
| Countries with Four Letters | 0 | - | 4.99 | 420,122 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,585 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,761 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,031 |
| Landlocked Countries | 0 | - | 4.99 | 416,311 |
| Country Chain | 0 | - | 4.96 | 216,363 |
| Countries by Emojis | 0 | - | 4.99 | 237,684 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,411 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,426 |
| Islands by Country #1 | 0 | - | 4.87 | 174,790 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,158 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,504 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,483 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,738,144 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,899 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,462 |
| Name a Valid Country #1 | 0 | - | 4.99 | 286,604 |
| Name a Valid Country #2 | 0 | - | 4.98 | 248,744 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,769 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,115 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,116 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 715,697 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,774 |
| Himalayan Countries | 0 | - | 4.95 | 136,369 |
| Andean Countries | 0 | - | 4.95 | 83,406 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,670 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,896 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,362 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,966 |
| Danube Countries | 0 | - | 4.97 | 71,362 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,156 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,817 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,085 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,036 |
| European Landlocked Countries | 0 | - | 4.99 | 146,094 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,702 |
| Countries with the Most Species | 0 | - | 4.99 | 100,296 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,850 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,313 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,489 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,132 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,786 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,156 |
| Countries in the Alps | 0 | - | 4.86 | 117,289 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,870 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,813 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,233 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,706 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,768 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,222 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,948 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,971 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,771 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,304 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,339 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,189 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,696 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,966 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,974 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,641 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,868 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,404 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,190 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,800 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,482 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,792 |
| Largest Countries By Category | 0 | - | 4.97 | 157,211 |
| Countries by Countries | 0 | - | 4.96 | 62,563 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,830 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,068 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,404 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,054 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,554 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,673 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,516 |
| Island Countries | 0 | - | 4.99 | 708,698 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,915 |
| Northernmost Countries | 0 | - | 4.99 | 359,195 |
| Countries of South America | 0 | - | 5.00 | 919,200 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,051 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,539 |
| "Land" Countries | 0 | - | 4.98 | 334,392 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,706 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,494 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,091 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,610 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,142 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,884 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,558 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,693 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,100 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,003 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,095 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,804 |
| Random Countries by Borders | 0 | - | 4.99 | 81,927 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,987 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,176 |
| Countries with Megacities | 0 | - | 4.99 | 248,745 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,040 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,493 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,414 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,442 |
| Countries by Official Language | 0 | - | 4.95 | 193,899 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,390 |
| Countries in their Native Language | 0 | - | 4.99 | 197,541 |
| Independence from Whom | 0 | - | 4.99 | 210,506 |
| Subdivisions by Country | 0 | - | 4.86 | 50,182 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,259 |
| Megadiverse Countries | 0 | - | 4.96 | 134,517 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,741 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,064 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,614 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,407 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,191 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,516 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,520 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,353 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,801 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,116 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,566 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,665 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,629 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,835 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,184 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,421 |
| World Map Quiz | 0 | - | 4.81 | 64,001 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 136,204 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,182 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,663 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,996 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,626 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,358 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,610 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,226 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,422 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,595 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,129 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,616 |
| Widest Countries East to West | 0 | - | 4.92 | 129,115 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,319 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,605 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,898 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,931 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,947 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,327 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,031 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,663 |
| Countries with Double Letters | 0 | - | 4.96 | 93,908 |
| Countries that End in N | 0 | - | 4.94 | 160,360 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,327 |
| Countries with Six Letters | 0 | - | 4.93 | 210,930 |
| Countries with W | 0 | - | 4.97 | 158,609 |
| Countries with Z | 0 | - | 4.98 | 288,528 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,906 |
| Countries That End in U | 0 | - | 4.95 | 119,753 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,065 |
| Countries that End in O | 0 | - | 4.92 | 158,754 |
| Countries that End in R | 0 | - | 4.87 | 118,445 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,987 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,628 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,676 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,760 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,326 |
| Countries That End in Y | 0 | - | 4.90 | 185,353 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,767 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,025 |
| Countries that End in I | 0 | - | 4.94 | 134,622 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,632 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,378 |
| Countries That End in NIA | 0 | - | 4.92 | 109,253 |
| Countries That End in BIA | 0 | - | 4.93 | 148,490 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,371 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,728 |
| Countries That End in RIA | 0 | - | 4.93 | 126,292 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,279 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,984 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,806 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,158 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,722 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,105 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,384 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,899 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,791 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,965 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,467 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,134 |
| Countries that End in L | 0 | - | 4.94 | 156,234 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,711 |
