| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 176,018 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 108,867 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.84 | 88,530 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,295,631 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 382,094 |
| Countries of Africa | 0 | - | 5.00 | 2,357,254 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,404,147 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,472,208 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,342 |
| Himalayan Countries | 0 | - | 4.95 | 122,006 |
| Andean Countries | 0 | - | 4.92 | 68,563 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,573 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 112,907 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,792 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,199 |
| Danube Countries | 0 | - | 4.97 | 60,785 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,778 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,830 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,373 |
| Countries with the Worst Passports | 0 | - | 4.92 | 64,625 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,019 |
| European Landlocked Countries | 0 | - | 4.99 | 140,954 |
| Partially Recognized Countries | 0 | - | 4.98 | 97,985 |
| Countries with the Most Species | 0 | - | 4.99 | 92,301 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,386 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,665 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,769 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,540 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,300 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,912 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,593 |
| Countries in the Alps | 0 | - | 4.86 | 110,364 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,647 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,694 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,342 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,672 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,571 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,906 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,942 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,802 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,935 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,738 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,695 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,224 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,076 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,116 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,468 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,889 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,758 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,688 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 221,814 |
| World Countries - Blind Typing | 0 | - | 5.00 | 94,949 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,060 |
| Largest Countries By Category | 0 | - | 4.97 | 151,277 |
| Countries by Countries | 0 | - | 4.96 | 58,422 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,028 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,646 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,316 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,889 |
| Countries of North America Quiz | 0 | - | 5.00 | 953,880 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,076 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,178 |
| Island Countries Quiz | 0 | - | 4.99 | 690,596 |
| Biggest Countries by Area | 0 | - | 5.00 | 989,417 |
| Northernmost Countries | 0 | - | 4.99 | 342,657 |
| Countries of South America | 0 | - | 5.00 | 862,453 |
| Countries of Oceania | 0 | - | 5.00 | 975,133 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,729,971 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,256,676 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,806 |
| Countries with Megacities | 0 | - | 4.99 | 217,981 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,682 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,224 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,643 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,202 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,851 |
| Countries by Official Language | 0 | - | 4.95 | 184,053 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,033 |
| Countries in their Native Language | 0 | - | 4.98 | 188,848 |
| Independence from Whom | 0 | - | 4.99 | 199,845 |
| Subdivisions by Country | 0 | - | 4.86 | 48,523 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,730 |
| Megadiverse Countries | 0 | - | 4.96 | 130,492 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,125 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,690 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,324 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,440 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,476 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,798 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,008 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,418 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,419 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,421 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,862 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,956 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,211 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,166 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,623 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,152 |
| World Map Quiz | 0 | - | 4.87 | 57,679 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,008 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,732 |
| Countries by Founding Story | 0 | - | 4.94 | 72,863 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,615 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,763 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,600 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,259 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,548 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,585 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,606 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,373 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,616 |
| Widest Countries East to West | 0 | - | 4.92 | 124,761 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,201 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 179,682 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,456 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,287 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,428 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,347 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,038 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,558 |
| Countries with Double Letters | 0 | - | 4.96 | 82,329 |
| Countries that End in N | 0 | - | 4.93 | 146,235 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 246,189 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,640 |
| Countries with W | 0 | - | 4.97 | 148,886 |
| Countries with Z | 0 | - | 4.98 | 276,119 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,585 |
| Countries That End in U | 0 | - | 4.95 | 114,390 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 100,654 |
| Countries that End in O | 0 | - | 4.91 | 154,490 |
| Countries that End in R | 0 | - | 4.84 | 99,992 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,978 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,218 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,403 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,904 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,669 |
| Countries That End in Y | 0 | - | 4.91 | 182,166 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,335 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,569 |
| Countries that End in I | 0 | - | 4.92 | 117,484 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,465 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,246 |
| Countries That End in NIA | 0 | - | 4.92 | 105,161 |
| Countries That End in BIA | 0 | - | 4.92 | 142,797 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,328 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,815 |
| Countries That End in RIA | 0 | - | 4.89 | 105,512 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 105,968 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,419 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,326 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,166 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 85,021 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,242 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,653 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,164 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,065 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,302 |
| Countries with the Word "And" | 0 | - | 4.98 | 89,914 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 47,826 |
| Countries that End in L | 0 | - | 4.94 | 151,849 |
| "Land" Countries | 0 | - | 4.98 | 299,739 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 197,626 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,954 |
| City to Country Quiz #1 | 0 | - | 4.96 | 150,599 |
| City to Country Quiz #3 | 0 | - | 4.87 | 104,770 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 75,647 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 219,276 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 192,440 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 122,104 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 140,900 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 215,990 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.97 | 147,208 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,738 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.82 | 105,993 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,873 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,807 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,381,335 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,767 |
| One Border Countries | 0 | - | 4.98 | 445,004 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,631,105 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.70 | 58,590 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,875 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,379 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,930 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,667 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,164 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,967 |
| Countries by National Anthem | 0 | - | 4.92 | 69,892 |
| NATO Countries Quiz | 0 | - | 4.98 | 257,711 |
| EU Countries Quiz | 0 | - | 4.99 | 254,509 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 152,249 |
| French-Speaking Countries | 0 | - | 4.85 | 257,726 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 80,786 |
| Countries That Use the Euro | 0 | - | 4.93 | 75,927 |
| Countries with the Most Military Troops | 0 | - | 4.96 | 267,068 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 248,590 |
| German-Speaking Countries | 0 | - | 4.89 | 121,133 |
| Countries with Wild Tigers | 0 | - | 4.97 | 131,616 |
