| Solve the Secret Country #1 | 0 | - | 4.94 | 164,470 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,257 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,885 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,911 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,965 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,605,800 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,760 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,191,183 |
| Landlocked Countries | 0 | - | 4.99 | 417,005 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,240 |
| Countries with Four Letters | 0 | - | 4.99 | 420,510 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,743,158 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,094 |
| Himalayan Countries | 0 | - | 4.95 | 136,654 |
| Andean Countries | 0 | - | 4.95 | 83,562 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,817 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,104 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,481 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,077 |
| Danube Countries | 0 | - | 4.97 | 71,466 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,278 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,879 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,227 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,226 |
| European Landlocked Countries | 0 | - | 4.99 | 146,164 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,826 |
| Countries with the Most Species | 0 | - | 4.99 | 102,202 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,954 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,347 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,526 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,086 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,186 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 170,378 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,836 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,215 |
| Countries in the Alps | 0 | - | 4.86 | 117,386 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,934 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,982 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,279 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,777 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,867 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,289 |
| Country Chain | 0 | - | 4.96 | 216,485 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,030 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,017 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,841 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,380 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,383 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,221 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,759 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,027 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,033 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,787 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,919 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,452 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,281 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,204 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,668 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,849 |
| Largest Countries By Category | 0 | - | 4.97 | 157,317 |
| Countries by Emojis | 0 | - | 4.99 | 237,911 |
| Countries by Countries | 0 | - | 4.96 | 62,630 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,480 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,872 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,921 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,091 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,414 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,126 |
| Islands by Country #1 | 0 | - | 4.87 | 174,863 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,202 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,558 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,525 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,223 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,835 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,293 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,227 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,196 |
| Name a Valid Country #5 | 0 | - | 4.99 | 205,172 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,421 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,646 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,270 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,964 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,021 |
| Island Countries | 0 | - | 4.99 | 708,961 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,758 |
| Northernmost Countries | 0 | - | 4.99 | 359,548 |
| Countries of South America | 0 | - | 5.00 | 920,178 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,660 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,926 |
| "Land" Countries | 0 | - | 4.98 | 334,800 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,958 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,737 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,761 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,527 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,151 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,363 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,243 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,935 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,833 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,927 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,303 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,157 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,372 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,853 |
| Random Countries by Borders | 0 | - | 4.99 | 82,051 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,219 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,420 |
| Countries with Megacities | 0 | - | 4.99 | 249,234 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,279 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,623 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,590 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,601 |
| Countries by Official Language | 0 | - | 4.95 | 194,097 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,901 |
| Countries in their Native Language | 0 | - | 4.99 | 197,719 |
| Independence from Whom | 0 | - | 4.99 | 210,897 |
| Subdivisions by Country | 0 | - | 4.86 | 50,214 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,407 |
| Megadiverse Countries | 0 | - | 4.96 | 134,574 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,918 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,089 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,650 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,956 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,478 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,256 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,658 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,577 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,392 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,813 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,374 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,598 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,698 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,665 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,877 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,227 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,670 |
| World Map Quiz | 0 | - | 4.81 | 64,169 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,582 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,741 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,118 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,705 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,435 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,791 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,306 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,496 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,662 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,164 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,720 |
| Widest Countries East to West | 0 | - | 4.92 | 129,179 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,335 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,703 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,935 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,974 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,011 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,390 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,129 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,684 |
| Countries with Double Letters | 0 | - | 4.96 | 94,283 |
| Countries that End in N | 0 | - | 4.95 | 167,755 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 261,977 |
| Countries with Six Letters | 0 | - | 4.93 | 211,302 |
| Countries with W | 0 | - | 4.97 | 158,940 |
| Countries with Z | 0 | - | 4.98 | 288,937 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,147 |
| Countries That End in U | 0 | - | 4.95 | 120,018 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,245 |
| Countries that End in O | 0 | - | 4.92 | 158,925 |
| Countries that End in R | 0 | - | 4.87 | 118,546 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,319 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,842 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,796 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,848 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,429 |
| Countries That End in Y | 0 | - | 4.90 | 185,464 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,903 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,134 |
| Countries that End in I | 0 | - | 4.94 | 134,703 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,744 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,431 |
| Countries That End in NIA | 0 | - | 4.92 | 109,321 |
| Countries That End in BIA | 0 | - | 4.93 | 148,606 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,459 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,809 |
| Countries That End in RIA | 0 | - | 4.93 | 126,373 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,376 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,164 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,904 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,237 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,847 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,173 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,479 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,987 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,878 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,040 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,562 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,257 |
| Countries that End in L | 0 | - | 4.94 | 156,325 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,070 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,086 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,724 |