| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,662,390 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,129,414 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,456 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,608 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 389,289 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,675 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 142,062 |
| Random Countries by Borders | 0 | - | 4.99 | 83,237 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,996 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,185 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,159 |
| Random Country to Capital | 0 | - | 4.98 | 930,940 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,007,310 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,293 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,889 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 121,045 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,031 |
| Countries with Four Letters | 0 | - | 4.99 | 426,688 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,456 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,315 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,211 |
| Landlocked Countries | 0 | - | 4.99 | 427,713 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 98,003 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.91 | 281,415 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,421 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,776 |
| Country Chain | 0 | - | 4.96 | 218,737 |
| Countries by Emojis | 0 | - | 4.99 | 242,995 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,762 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,578 |
| Islands by Country #1 | 0 | - | 4.90 | 176,907 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,391 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,705 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,510 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,628 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,539 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,448 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,770 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,758 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,569 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,797 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,269 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,886 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,134 |
| Himalayan Countries | 0 | - | 4.93 | 141,022 |
| Andean Countries | 0 | - | 4.94 | 85,900 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,012 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,632 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,559 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,763 |
| Danube Countries | 0 | - | 4.97 | 72,609 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,874 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,022 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,530 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,015 |
| European Landlocked Countries | 0 | - | 4.99 | 147,821 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,607 |
| Countries with the Most Species | 0 | - | 4.99 | 103,672 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,713 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,833 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,975 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,963 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,709 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,176 |
| Countries in the Alps | 0 | - | 4.87 | 119,050 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,127 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,257 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,091 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,220 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,192 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,425 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,644 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,034 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,540 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,351 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,978 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,851 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,707 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,963 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,064 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,259 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,769 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,785 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,905 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,568 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,633 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,642 |
| Largest Countries By Category | 0 | - | 4.97 | 159,192 |
| Countries by Countries | 0 | - | 4.97 | 63,856 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,522 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,460 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,719 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,291 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,048 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,184 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,642 |
| Island Countries | 0 | - | 4.99 | 713,204 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,732 |
| Northernmost Countries | 0 | - | 4.99 | 364,842 |
| Countries of South America | 0 | - | 5.00 | 934,928 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,280 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,685 |
| "Land" Countries | 0 | - | 4.98 | 339,174 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,970 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,866 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,817 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,247 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,064 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,496 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,768 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,943 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,762 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,575 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,143 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,430 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,833 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,668 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,656 |
| Countries with Megacities | 0 | - | 4.99 | 268,179 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,296 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,411 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,639 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,524 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,052 |
| Countries by Official Language | 0 | - | 4.95 | 196,330 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,089 |
| Countries in their Native Language | 0 | - | 4.99 | 200,043 |
| Independence from Whom | 0 | - | 4.99 | 213,540 |
| Subdivisions by Country | 0 | - | 4.87 | 50,682 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,754 |
| Megadiverse Countries | 0 | - | 4.96 | 149,779 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,220 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,595 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,850 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,272 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,550 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,961 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,379 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,658 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,211 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,299 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,898 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,519 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,531 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,250 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,671 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,012 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,193 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,893 |
| World Map Quiz | 0 | - | 4.81 | 65,984 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,172 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,863 |
| Countries by Founding Story | 0 | - | 4.95 | 77,951 |
| Countries by Road Signs | 0 | - | 4.98 | 54,498 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,634 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,292 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,764 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,072 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,618 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,737 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,906 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,787 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,015 |
| Widest Countries East to West | 0 | - | 4.92 | 130,907 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,468 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,587 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,197 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,495 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,651 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,934 |
| Countries with Double Letters | 0 | - | 4.96 | 97,781 |
| Countries that End in N | 0 | - | 4.95 | 172,781 |
| Countries with Five Letters | 0 | - | 4.96 | 284,840 |
| Countries with Six Letters | 0 | - | 4.94 | 215,114 |
| Countries with W | 0 | - | 4.96 | 161,425 |
| Countries with Z | 0 | - | 4.98 | 293,172 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,795 |
| Countries That End in U | 0 | - | 4.95 | 121,456 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,549 |
| Countries that End in O | 0 | - | 4.92 | 160,423 |
| Countries that End in R | 0 | - | 4.87 | 119,315 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,088 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,265 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,641 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,301 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,975 |
| Countries That End in Y | 0 | - | 4.91 | 186,205 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,518 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,483 |
| Countries that End in I | 0 | - | 4.94 | 135,461 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,452 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,181 |
| Countries That End in NIA | 0 | - | 4.92 | 110,194 |
| Countries That End in BIA | 0 | - | 4.93 | 149,788 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 168,004 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,951 |
| Countries That End in RIA | 0 | - | 4.93 | 127,196 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,595 |
