| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,635,936 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,106,547 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,111 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,803 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,218 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,579 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,331 |
| Random Countries by Borders | 0 | - | 4.99 | 82,709 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,525 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,522 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,974 |
| Random Country to Capital | 0 | - | 4.98 | 923,449 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,630,162 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,745 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,605 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,121 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,909 |
| Countries with Four Letters | 0 | - | 4.99 | 423,629 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,572 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,028 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,693 |
| Landlocked Countries | 0 | - | 4.99 | 422,582 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,124 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,024 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,207 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,517 |
| Country Chain | 0 | - | 4.96 | 217,730 |
| Countries by Emojis | 0 | - | 4.99 | 240,601 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,166 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,962 |
| Islands by Country #1 | 0 | - | 4.90 | 175,598 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,761 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,137 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,901 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,783,020 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,822 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,625 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,676 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,827 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,824 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,079 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,809 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 726,798 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,822 |
| Himalayan Countries | 0 | - | 4.95 | 139,001 |
| Andean Countries | 0 | - | 4.93 | 84,781 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,010 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,082 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,595 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,918 |
| Danube Countries | 0 | - | 4.97 | 72,094 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,120 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,489 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,440 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,923 |
| European Landlocked Countries | 0 | - | 4.99 | 147,225 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,759 |
| Countries with the Most Species | 0 | - | 4.99 | 103,303 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,875 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,628 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,748 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,597 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,313 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,733 |
| Countries in the Alps | 0 | - | 4.87 | 118,307 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,490 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,168 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,717 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,668 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,581 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,996 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,747 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,564 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,224 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,917 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,689 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,570 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,290 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,536 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,598 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,044 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,364 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,442 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,194 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,259 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,306 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,277 |
| Largest Countries By Category | 0 | - | 4.97 | 158,331 |
| Countries by Countries | 0 | - | 4.96 | 63,311 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,766 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,308 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,579 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,744 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,123 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,681 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,700 |
| Island Countries | 0 | - | 4.99 | 711,248 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,606 |
| Northernmost Countries | 0 | - | 4.99 | 362,253 |
| Countries of South America | 0 | - | 5.00 | 928,189 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,030 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,118 |
| "Land" Countries | 0 | - | 4.98 | 337,511 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,230 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,391 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,324 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,887 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,635 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,173 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,002 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,383 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,845 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,761 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,736 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,216 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,284 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,272 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,072 |
| Countries with Megacities | 0 | - | 4.99 | 264,974 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,891 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,572 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,156 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,644 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,553 |
| Countries by Official Language | 0 | - | 4.95 | 195,365 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,537 |
| Countries in their Native Language | 0 | - | 4.99 | 199,153 |
| Independence from Whom | 0 | - | 4.99 | 212,244 |
| Subdivisions by Country | 0 | - | 4.87 | 50,456 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,835 |
| Megadiverse Countries | 0 | - | 4.96 | 135,063 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,196 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,390 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,268 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,128 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,207 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,633 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,552 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,092 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,690 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,166 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,800 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,927 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,236 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,999 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,391 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,519 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,740 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,370 |
| World Map Quiz | 0 | - | 4.81 | 65,180 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,596 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,407 |
| Countries by Founding Story | 0 | - | 4.95 | 77,420 |
| Countries by Road Signs | 0 | - | 4.98 | 54,067 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,207 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,350 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,051 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,396 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,953 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,062 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,343 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,477 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,613 |
| Widest Countries East to West | 0 | - | 4.92 | 129,713 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,470 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,450 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,143 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,809 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,641 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,924 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,396 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,813 |
| Countries with Double Letters | 0 | - | 4.96 | 96,365 |
| Countries that End in N | 0 | - | 4.95 | 171,259 |
| Countries with Five Letters | 0 | - | 4.96 | 282,732 |
| Countries with Six Letters | 0 | - | 4.94 | 213,692 |
| Countries with W | 0 | - | 4.97 | 160,426 |
| Countries with Z | 0 | - | 4.98 | 291,604 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,790 |
| Countries That End in U | 0 | - | 4.95 | 120,894 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,548 |
| Countries that End in O | 0 | - | 4.92 | 159,548 |
| Countries that End in R | 0 | - | 4.87 | 118,998 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,761 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,220 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,752 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,522 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,443 |
| Countries That End in Y | 0 | - | 4.91 | 185,907 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,999 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,920 |
| Countries that End in I | 0 | - | 4.94 | 135,133 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,178 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,851 |
| Countries That End in NIA | 0 | - | 4.92 | 109,830 |
| Countries That End in BIA | 0 | - | 4.93 | 149,261 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,164 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,476 |
| Countries That End in RIA | 0 | - | 4.93 | 126,851 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,069 |
