| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,424 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 136,237 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,602,829 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,093,883 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,601 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,744 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,648 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,916 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,117 |
| Random Countries by Borders | 0 | - | 4.99 | 81,928 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,014 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,756 |
| Random Country to Capital | 0 | - | 4.98 | 914,723 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,905 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,287 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,084 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,777 |
| Countries with Four Letters | 0 | - | 4.99 | 420,161 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,788 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,106 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,142,368 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,208 |
| Landlocked Countries | 0 | - | 4.99 | 416,388 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,983 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,489 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 715,780 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,902 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 170,011 |
| Country Chain | 0 | - | 4.96 | 216,371 |
| Countries by Emojis | 0 | - | 4.99 | 237,700 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,419 |
| Islands by Country #1 | 0 | - | 4.87 | 174,795 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,158 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,508 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,488 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,738,626 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,530 |
| Name a Valid Country #1 | 0 | - | 4.99 | 286,722 |
| Name a Valid Country #2 | 0 | - | 4.98 | 248,824 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,839 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,315 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,166 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,111 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,493 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,520 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,806 |
| Himalayan Countries | 0 | - | 4.95 | 136,389 |
| Andean Countries | 0 | - | 4.95 | 83,426 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,692 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,916 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,376 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,980 |
| Danube Countries | 0 | - | 4.97 | 71,371 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,169 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,828 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,102 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,052 |
| European Landlocked Countries | 0 | - | 4.99 | 146,100 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,715 |
| Countries with the Most Species | 0 | - | 4.99 | 100,747 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,856 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,315 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,493 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,842 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,667 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,134 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,791 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,163 |
| Countries in the Alps | 0 | - | 4.86 | 117,296 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,875 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,828 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,234 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,715 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,785 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,227 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,957 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,974 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,783 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,311 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,341 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,194 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,700 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,972 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,986 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,658 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,873 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,711 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,406 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,207 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,845 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,500 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,799 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,496 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,095 |
| Largest Countries By Category | 0 | - | 4.97 | 157,218 |
| Countries by Countries | 0 | - | 4.96 | 62,566 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,157 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,889 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,588 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,716 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,122 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,846 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,017 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,070 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,406 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,437 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,368 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,142 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,060 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,809 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,432 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,606 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,717 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,573 |
| Island Countries | 0 | - | 4.99 | 708,731 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,800 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,006 |
| Northernmost Countries | 0 | - | 4.99 | 359,231 |
| Countries of South America | 0 | - | 5.00 | 919,313 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,179 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,786 |
| "Land" Countries | 0 | - | 4.98 | 334,462 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,916 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,079 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,520 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,742 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,200 |
| Countries with Megacities | 0 | - | 4.99 | 248,783 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,051 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,510 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,426 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,457 |
| Countries by Official Language | 0 | - | 4.95 | 193,930 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,426 |
| Countries in their Native Language | 0 | - | 4.99 | 197,554 |
| Independence from Whom | 0 | - | 4.99 | 210,626 |
| Subdivisions by Country | 0 | - | 4.86 | 50,187 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,273 |
| Megadiverse Countries | 0 | - | 4.96 | 134,519 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,758 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,070 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,615 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,942 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,415 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,198 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,529 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,524 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,355 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,802 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,122 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,570 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,670 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,632 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,544 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,836 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,185 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,459 |
| World Map Quiz | 0 | - | 4.81 | 64,024 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,219 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,667 |
| Countries by Founding Story | 0 | - | 4.95 | 76,842 |
| Countries by Road Signs | 0 | - | 4.98 | 53,382 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,013 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,635 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,369 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,623 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,229 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,428 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,601 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,132 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,621 |
| Widest Countries East to West | 0 | - | 4.92 | 129,120 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,320 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,616 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,901 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,936 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,956 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,333 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,046 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,663 |
| Countries with Double Letters | 0 | - | 4.96 | 93,967 |
| Countries that End in N | 0 | - | 4.94 | 162,682 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,396 |
| Countries with Six Letters | 0 | - | 4.93 | 210,988 |
| Countries with W | 0 | - | 4.97 | 158,672 |
| Countries with Z | 0 | - | 4.98 | 288,588 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,948 |
| Countries That End in U | 0 | - | 4.95 | 119,811 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,080 |
| Countries that End in O | 0 | - | 4.92 | 158,789 |
| Countries that End in R | 0 | - | 4.87 | 118,466 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,001 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,651 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,690 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,767 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,338 |
| Countries That End in Y | 0 | - | 4.90 | 185,375 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,781 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,038 |
| Countries that End in I | 0 | - | 4.94 | 134,632 |
