| Word Scramble - Countries | 0 | - | 4.87 | 2,107,372 |
| Countries with Four Letters | 0 | - | 4.99 | 423,848 |
| Random Countries by Borders | 0 | - | 4.99 | 82,754 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,637,818 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,467 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,246 |
| Random Country to Capital | 0 | - | 4.98 | 923,933 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,658,261 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,979 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,780 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,251 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,989 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,204 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,095 |
| Landlocked Countries | 0 | - | 4.99 | 422,942 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,312 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,646 |
| Country Chain | 0 | - | 4.96 | 217,800 |
| Countries by Emojis | 0 | - | 4.99 | 240,728 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,218 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,193 |
| Islands by Country #1 | 0 | - | 4.90 | 175,669 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,837 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,202 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,953 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,398 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,371 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,922 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,062 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,870 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,935 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,904 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,809 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,966 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,941 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,167 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 731,661 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,993 |
| Himalayan Countries | 0 | - | 4.95 | 139,153 |
| Andean Countries | 0 | - | 4.93 | 84,862 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,078 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,212 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,663 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,971 |
| Danube Countries | 0 | - | 4.97 | 72,128 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,179 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,532 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,518 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,022 |
| European Landlocked Countries | 0 | - | 4.99 | 147,265 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,823 |
| Countries with the Most Species | 0 | - | 4.99 | 103,342 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,951 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,646 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,765 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,612 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,355 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,778 |
| Countries in the Alps | 0 | - | 4.87 | 118,353 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,716 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,267 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,751 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,701 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,624 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,034 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,805 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,600 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,246 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,946 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,717 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,586 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,315 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,559 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,628 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,142 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,395 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,702 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,238 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,461 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,408 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,308 |
| Largest Countries By Category | 0 | - | 4.97 | 158,387 |
| Countries by Countries | 0 | - | 4.96 | 63,353 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,832 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,321 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,780 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,454 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,808 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,928 |
| Island Countries | 0 | - | 4.99 | 711,388 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,073 |
| Northernmost Countries | 0 | - | 4.99 | 362,443 |
| Countries of South America | 0 | - | 5.00 | 928,697 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,611 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,291 |
| "Land" Countries | 0 | - | 4.98 | 337,607 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,310 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,435 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,367 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,908 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,667 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,046 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,041 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,400 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,015 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,078 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,861 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,304 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,312 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,916 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,618 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,176 |
| Countries with Megacities | 0 | - | 4.99 | 265,262 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,005 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,626 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,260 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,699 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,039 |
| Countries by Official Language | 0 | - | 4.95 | 195,453 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,650 |
| Countries in their Native Language | 0 | - | 4.99 | 199,224 |
| Independence from Whom | 0 | - | 4.99 | 212,322 |
| Subdivisions by Country | 0 | - | 4.87 | 50,478 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,896 |
| Megadiverse Countries | 0 | - | 4.96 | 135,091 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,256 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,407 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,290 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,139 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,262 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,655 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,605 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,415 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,704 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,180 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,888 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,946 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,263 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,010 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,418 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,543 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,509 |
| World Map Quiz | 0 | - | 4.81 | 65,237 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,923 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,788 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,444 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,290 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,395 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,103 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,541 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,004 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,113 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,389 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,494 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,645 |
| Widest Countries East to West | 0 | - | 4.92 | 129,743 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,478 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,501 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,266 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,831 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,690 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,962 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,407 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,819 |
| Countries with Double Letters | 0 | - | 4.96 | 96,455 |
| Countries that End in N | 0 | - | 4.95 | 171,339 |
| Countries with Five Letters | 0 | - | 4.96 | 282,875 |
| Countries with Six Letters | 0 | - | 4.94 | 213,797 |
| Countries with W | 0 | - | 4.96 | 160,485 |
| Countries with Z | 0 | - | 4.98 | 291,701 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,847 |
| Countries That End in U | 0 | - | 4.95 | 120,932 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,616 |
| Countries that End in O | 0 | - | 4.92 | 159,586 |
| Countries that End in R | 0 | - | 4.87 | 119,017 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,775 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,296 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,802 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,573 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,479 |
| Countries That End in Y | 0 | - | 4.91 | 185,937 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,051 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,976 |
| Countries that End in I | 0 | - | 4.94 | 135,163 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,236 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,874 |
| Countries That End in NIA | 0 | - | 4.92 | 109,852 |
| Countries That End in BIA | 0 | - | 4.93 | 149,302 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,210 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,514 |
| Countries That End in RIA | 0 | - | 4.93 | 126,876 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,100 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,868 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,839 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,268 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,816 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,635 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,104 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,466 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,620 |
