| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,078 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,545 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,505 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,666 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,676 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,032 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,014 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,563 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,969 |
| Random Countries by Borders | 0 | - | 4.99 | 81,599 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,058 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,637 |
| Random Country to Capital | 0 | - | 4.98 | 910,753 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,520 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,906 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,906 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,114 |
| Countries with Four Letters | 0 | - | 4.99 | 418,155 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,064 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,848 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,866,642 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,254 |
| Landlocked Countries | 0 | - | 4.99 | 413,029 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,266 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,656 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,738 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,189 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,309 |
| Country Chain | 0 | - | 4.96 | 215,596 |
| Countries by Emojis | 0 | - | 4.99 | 235,897 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,039 |
| Islands by Country #1 | 0 | - | 4.87 | 174,416 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,855 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,227 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,296 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,158 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,615 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,003 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,156 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,311 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,610 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,229 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,330 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,847 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,375 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,331 |
| Himalayan Countries | 0 | - | 4.95 | 135,121 |
| Andean Countries | 0 | - | 4.94 | 82,701 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,119 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,041 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,797 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,502 |
| Danube Countries | 0 | - | 4.97 | 71,015 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,672 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,473 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,329 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,244 |
| European Landlocked Countries | 0 | - | 4.99 | 145,686 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,082 |
| Countries with the Most Species | 0 | - | 4.99 | 95,205 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,238 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,181 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,341 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,338 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,391 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,916 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,532 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,890 |
| Countries in the Alps | 0 | - | 4.87 | 116,717 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,498 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,121 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,958 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,344 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,079 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,944 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,494 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,701 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,628 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,991 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,172 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,006 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,389 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,694 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,696 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,924 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,582 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,277 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,212 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,705 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,931 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,425 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,555 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,294 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,776 |
| Largest Countries By Category | 0 | - | 4.97 | 156,657 |
| Countries by Countries | 0 | - | 4.96 | 62,189 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,557 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,579 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,316 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,608 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,131 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,261 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,297 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,940 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,309 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,153 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,029 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,001 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,681 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,549 |
| Name a Valid Island Country | 0 | - | 4.96 | 113,956 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,223 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,890 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,090 |
| Island Countries | 0 | - | 4.99 | 707,326 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,558 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,592 |
| Northernmost Countries | 0 | - | 4.99 | 357,357 |
| Countries of South America | 0 | - | 5.00 | 913,666 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,026 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,835 |
| "Land" Countries | 0 | - | 4.98 | 333,469 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,585 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,745 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,825 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,303 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,911 |
| Countries with Megacities | 0 | - | 4.99 | 246,305 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,833 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,755 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,290 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,696 |
| Countries by Official Language | 0 | - | 4.95 | 192,624 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,932 |
| Countries in their Native Language | 0 | - | 4.99 | 196,503 |
| Independence from Whom | 0 | - | 4.99 | 209,526 |
| Subdivisions by Country | 0 | - | 4.86 | 50,038 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,608 |
| Megadiverse Countries | 0 | - | 4.97 | 133,841 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,677 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,883 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,382 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,567 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,946 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,620 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,076 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,186 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,722 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,430 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,374 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,448 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,462 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,283 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,621 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,987 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,394 |
| World Map Quiz | 0 | - | 4.81 | 63,396 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,325 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,241 |
| Countries by Founding Story | 0 | - | 4.95 | 76,463 |
| Countries by Road Signs | 0 | - | 4.98 | 53,016 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,200 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,903 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,873 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,551 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,789 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,987 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,194 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,892 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,280 |
| Widest Countries East to West | 0 | - | 4.92 | 128,543 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,196 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,110 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,531 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,636 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,536 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,965 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,036 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,554 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,452 |
| Countries with Double Letters | 0 | - | 4.97 | 93,253 |
| Countries that End in N | 0 | - | 4.94 | 156,322 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,530 |
| Countries with Six Letters | 0 | - | 4.93 | 210,232 |
| Countries with W | 0 | - | 4.97 | 158,131 |
| Countries with Z | 0 | - | 4.98 | 287,665 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,450 |
| Countries That End in U | 0 | - | 4.95 | 119,461 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,396 |
| Countries that End in O | 0 | - | 4.92 | 158,493 |
| Countries that End in R | 0 | - | 4.86 | 118,215 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,819 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,897 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,200 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,405 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,589 |
| Countries That End in Y | 0 | - | 4.90 | 185,164 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,205 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,577 |
