| Countries by Initial Letter and Continent #3 | 0 | - | 4.92 | 42,668 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 92,768 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,389,000 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 383,662 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,271,672 |
| Countries by Emojis | 0 | - | 4.99 | 222,382 |
| Countries With One Word And Two O's | 0 | - | 4.96 | 51,540 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,412,134 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,480,712 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,969 |
| Himalayan Countries | 0 | - | 4.94 | 122,609 |
| Andean Countries | 0 | - | 4.93 | 68,929 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,863 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,362 |
| Coffee Producing Countries | 0 | - | 4.83 | 60,076 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,433 |
| Danube Countries | 0 | - | 4.97 | 60,928 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,994 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,976 |
| Countries with the Best Passports | 0 | - | 4.84 | 81,005 |
| Countries with the Worst Passports | 0 | - | 4.91 | 72,137 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,518 |
| European Landlocked Countries | 0 | - | 4.99 | 141,101 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,268 |
| Countries with the Most Species | 0 | - | 4.99 | 92,408 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,644 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,732 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,832 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,660 |
| Countries that Use the Peso | 0 | - | 4.89 | 56,444 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 70,006 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,753 |
| Countries in the Alps | 0 | - | 4.86 | 110,870 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,815 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,989 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,464 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,838 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,726 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,021 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 95,110 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,929 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,022 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,878 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,780 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,310 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,132 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,231 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,915 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,632 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 109,201 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,886 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,818 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,516 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,362 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,173 |
| Largest Countries By Category | 0 | - | 4.97 | 151,546 |
| Countries by Countries | 0 | - | 4.96 | 58,532 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,197 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,697 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,356 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,032 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,521 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,804 |
| Island Countries Quiz | 0 | - | 4.99 | 691,417 |
| Biggest Countries by Area | 0 | - | 5.00 | 990,806 |
| Northernmost Countries | 0 | - | 4.99 | 342,982 |
| Countries of South America | 0 | - | 5.00 | 864,284 |
| Countries of Oceania | 0 | - | 5.00 | 977,556 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,734,138 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 44,822 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 129,516 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 106,528 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 107,833 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 85,829 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,261,382 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 99,447 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,384 |
| Countries with Megacities | 0 | - | 4.99 | 218,582 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 187,069 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,406 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,957 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,445 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,437 |
| Countries by Official Language | 0 | - | 4.95 | 184,359 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,461 |
| Countries in their Native Language | 0 | - | 4.98 | 189,090 |
| Independence from Whom | 0 | - | 4.99 | 200,154 |
| Subdivisions by Country | 0 | - | 4.85 | 48,576 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,953 |
| Megadiverse Countries | 0 | - | 4.96 | 130,579 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,400 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,023 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,360 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,668 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,549 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,984 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,382 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,603 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,452 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,816 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,937 |
| Countries Furthest from the United States | 0 | - | 4.95 | 86,043 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,293 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,236 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,739 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,484 |
| World Map Quiz | 0 | - | 4.88 | 57,862 |
| Countries that Produce the Most Beer | 0 | - | 4.88 | 123,691 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,625 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,874 |
| Countries by Founding Story | 0 | - | 4.94 | 72,983 |
| Countries by Road Signs | 0 | - | 4.98 | 49,781 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,850 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,886 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,743 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,586 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,623 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,706 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,718 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,450 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,733 |
| Widest Countries East to West | 0 | - | 4.92 | 124,876 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,223 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 180,420 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,519 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,400 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,566 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,482 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,073 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,603 |
| Countries with Double Letters | 0 | - | 4.97 | 82,982 |
| Countries that End in N | 0 | - | 4.94 | 146,788 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 246,830 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 201,156 |
| Countries with W | 0 | - | 4.97 | 150,297 |
| Countries with Z | 0 | - | 4.98 | 276,730 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,972 |
| Countries That End in U | 0 | - | 4.95 | 114,700 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 101,111 |
| Countries that End in O | 0 | - | 4.92 | 154,701 |
| Countries that End in R | 0 | - | 4.84 | 100,163 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,108 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,602 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,603 |
| Countries by Last Two Letters | 0 | - | 4.87 | 122,058 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,854 |
| Countries That End in Y | 0 | - | 4.91 | 182,303 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,571 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 128,095 |
| Countries that End in I | 0 | - | 4.92 | 117,583 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,685 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,357 |
| Countries That End in NIA | 0 | - | 4.92 | 105,273 |
| Countries That End in BIA | 0 | - | 4.92 | 142,939 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,499 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,980 |
| Countries That End in RIA | 0 | - | 4.89 | 105,630 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 106,125 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,808 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,530 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,427 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 85,269 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,372 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,805 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,338 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,235 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,433 |
| Countries with the Word "And" | 0 | - | 4.98 | 90,109 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 48,046 |
| Countries that End in L | 0 | - | 4.94 | 151,991 |
| "Land" Countries | 0 | - | 4.98 | 300,023 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 197,859 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,001 |
| City to Country Quiz #1 | 0 | - | 4.96 | 150,768 |
| City to Country Quiz #3 | 0 | - | 4.87 | 104,852 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 75,733 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 220,096 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 192,985 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 122,464 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 155,639 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 216,663 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.97 | 147,586 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,969 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,072 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,927 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,898 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 236,101 |
| Name a Valid Asian Country | 0 | - | 4.98 | 115,303 |
| Name a Valid African Country | 0 | - | 4.98 | 134,335 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 166,673 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,383,096 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 365,134 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,636,631 |
| One Border Countries | 0 | - | 4.98 | 445,566 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,099 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,824 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 116,121 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,949 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,406 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 55,091 |
