| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,439 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,175 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,659,427 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 388,914 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,006 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,128,081 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,325 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,496 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,211 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,587 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,893 |
| Random Countries by Borders | 0 | - | 4.99 | 83,193 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,888 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,015 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,136 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,278 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,059 |
| Random Country to Capital | 0 | - | 4.98 | 929,929 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,055 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,694 |
| Countries with Four Letters | 0 | - | 4.99 | 426,424 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,223 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,703 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,854 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,924 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,198 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,966,206 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,842 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,334 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,369 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,289 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,661 |
| Country Chain | 0 | - | 4.96 | 218,651 |
| Countries by Emojis | 0 | - | 4.99 | 242,829 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,703 |
| Islands by Country #1 | 0 | - | 4.90 | 176,485 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,335 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,654 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,465 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,372 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,065 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,585 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,582 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,388 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,632 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,139 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,259 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,357 |
| Landlocked Countries | 0 | - | 4.99 | 427,216 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,891 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,817 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,767 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,201 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,019 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,609 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,674 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,864 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,604 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,442 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,014 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,333 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,288 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,666 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,629 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,093 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,439 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,582 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,285 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,029 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,340 |
| Island Countries | 0 | - | 4.99 | 713,001 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,896 |
| Himalayan Countries | 0 | - | 4.93 | 140,807 |
| Andean Countries | 0 | - | 4.94 | 85,795 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,911 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,477 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,460 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,685 |
| Danube Countries | 0 | - | 4.97 | 72,547 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,795 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,970 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,432 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,910 |
| European Landlocked Countries | 0 | - | 4.99 | 147,736 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,530 |
| Countries with the Most Species | 0 | - | 4.99 | 103,643 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,633 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,812 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,951 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,923 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,678 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,125 |
| Countries in the Alps | 0 | - | 4.87 | 118,968 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,979 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,124 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,053 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,169 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,126 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,387 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,588 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,987 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,512 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,309 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,951 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,829 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,669 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,923 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,019 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,142 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,730 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,417 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,832 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,281 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,484 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,614 |
| Largest Countries By Category | 0 | - | 4.97 | 159,082 |
| Countries by Countries | 0 | - | 4.97 | 63,799 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,940 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,436 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,448 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,251 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,704 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,545 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,224 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,119 |
| Northernmost Countries | 0 | - | 4.99 | 364,580 |
| Countries of South America | 0 | - | 5.00 | 934,223 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,441 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,889 |
| "Land" Countries | 0 | - | 4.98 | 338,987 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,968 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,963 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,487 |
| Countries with Megacities | 0 | - | 4.99 | 267,825 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,137 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,334 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,465 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,430 |
| Countries by Official Language | 0 | - | 4.95 | 196,211 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,933 |
| Countries in their Native Language | 0 | - | 4.99 | 199,950 |
| Independence from Whom | 0 | - | 4.99 | 213,394 |
| Subdivisions by Country | 0 | - | 4.87 | 50,664 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,658 |
| Megadiverse Countries | 0 | - | 4.96 | 148,965 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,133 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,575 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,802 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,257 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,465 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,273 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,623 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,162 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,286 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,760 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,487 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,506 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,216 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,220 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,638 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,973 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,716 |
| World Map Quiz | 0 | - | 4.81 | 65,924 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,876 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,769 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,813 |
| Countries by Founding Story | 0 | - | 4.95 | 77,904 |
| Countries by Road Signs | 0 | - | 4.98 | 54,445 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,507 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,231 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,704 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,925 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,546 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,662 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,847 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,763 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,938 |
| Widest Countries East to West | 0 | - | 4.92 | 130,848 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,627 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,397 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,560 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,157 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,106 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,613 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,534 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,922 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,250 |
| Countries with Double Letters | 0 | - | 4.96 | 97,617 |
| Countries that End in N | 0 | - | 4.95 | 172,623 |
| Countries with Five Letters | 0 | - | 4.96 | 284,625 |
| Countries with Six Letters | 0 | - | 4.94 | 214,950 |
| Countries with W | 0 | - | 4.96 | 161,303 |
| Countries with Z | 0 | - | 4.98 | 292,989 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,663 |
| Countries That End in U | 0 | - | 4.95 | 121,389 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,422 |
| Countries that End in O | 0 | - | 4.92 | 160,369 |
| Countries that End in R | 0 | - | 4.87 | 119,276 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,061 |
