| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,371 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,975 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,813 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,767 |
| North Sea Countries | 0 | - | 4.92 | 86,652 |
| Black Sea Countries | 0 | - | 4.87 | 60,361 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,048 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,143 |
| Countries With No Rivers | 0 | - | 4.96 | 76,071 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,408 |
| Countries with Fjords | 0 | - | 4.93 | 100,260 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,262 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,279 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,783 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,322 |
| Megadiverse Countries | 0 | - | 4.97 | 133,961 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,854 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,665 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,347 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,456 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,976,746 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,102 |
| Landlocked Countries | 0 | - | 4.99 | 414,322 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,347 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,634 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,472 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,876 |
| Himalayan Countries | 0 | - | 4.95 | 135,606 |
| Andean Countries | 0 | - | 4.94 | 82,960 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,324 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,364 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,027 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,697 |
| Danube Countries | 0 | - | 4.97 | 71,147 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,851 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,609 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,627 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,544 |
| European Landlocked Countries | 0 | - | 4.99 | 145,842 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,307 |
| Countries with the Most Species | 0 | - | 4.99 | 95,285 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,460 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,223 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,393 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,996 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,635 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,007 |
| Countries in the Alps | 0 | - | 4.86 | 116,939 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,645 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,393 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,073 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,481 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,258 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,065 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,666 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,820 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,540 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,124 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,219 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,086 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,508 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,807 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,800 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,213 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,715 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,291 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,871 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,662 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,903 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,654 |
| Largest Countries By Category | 0 | - | 4.97 | 156,875 |
| Countries by Countries | 0 | - | 4.96 | 62,328 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,991 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,838 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,548 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,088 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,494 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,850 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,386 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,195 |
| Island Countries | 0 | - | 4.99 | 707,888 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,297 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,433 |
| Northernmost Countries | 0 | - | 4.99 | 358,096 |
| Countries of South America | 0 | - | 5.00 | 916,010 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,104 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,797 |
| "Land" Countries | 0 | - | 4.98 | 333,836 |
| Biggest City by River | 0 | - | 4.41 | 52,707 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,335 |
| Landforms by Country | 0 | - | 4.52 | 51,921 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,925 |
| African Great Lakes | 0 | - | 4.82 | 65,302 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,263 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,937 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,618 |
| Countries with Megacities | 0 | - | 4.99 | 247,538 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,452 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,197 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,868 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,124 |
| Countries by Official Language | 0 | - | 4.95 | 192,924 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,344 |
| Countries in their Native Language | 0 | - | 4.99 | 196,776 |
| Independence from Whom | 0 | - | 4.99 | 209,876 |
| Subdivisions by Country | 0 | - | 4.86 | 50,103 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,887 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,942 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,951 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,464 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,875 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,752 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,047 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,175 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,213 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,247 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,760 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,730 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,454 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,546 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,534 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,728 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,059 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,788 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,404 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,522 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,305 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,046 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,969 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,961 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,144 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,362 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,994 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,403 |
| Widest Countries East to West | 0 | - | 4.92 | 128,800 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,237 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,317 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,602 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,747 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,697 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,121 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 71,576 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,609 |
| Countries with Double Letters | 0 | - | 4.96 | 93,521 |
| Countries that End in N | 0 | - | 4.94 | 157,007 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,827 |
| Countries with Six Letters | 0 | - | 4.93 | 210,502 |
| Countries with W | 0 | - | 4.97 | 158,320 |
| Countries with Z | 0 | - | 4.98 | 288,038 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,636 |
| Countries That End in U | 0 | - | 4.95 | 119,560 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,711 |
| Countries that End in O | 0 | - | 4.92 | 158,597 |
| Countries that End in R | 0 | - | 4.87 | 118,315 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,883 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,229 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,426 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,562 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,104 |
| Countries That End in Y | 0 | - | 4.90 | 185,240 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,484 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,782 |
| Countries that End in I | 0 | - | 4.94 | 134,481 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,311 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,242 |
| Countries That End in NIA | 0 | - | 4.92 | 109,058 |
| Countries That End in BIA | 0 | - | 4.92 | 147,771 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,149 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,558 |
| Countries That End in RIA | 0 | - | 4.93 | 126,131 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,087 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,405 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,580 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,954 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,442 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,965 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,190 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,716 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,580 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,846 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,889 |
| Countries that End in L | 0 | - | 4.94 | 155,956 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,621 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,003 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,560 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,352 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,468 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,590 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,407 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 139,000 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,476 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,803 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,790 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,751 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,195 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,436 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,362 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,804,054 |
| One Border Countries | 0 | - | 4.98 | 464,907 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,591,523 |
