| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,035 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,014 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,836 |
| North Sea Countries | 0 | - | 4.92 | 86,776 |
| Black Sea Countries | 0 | - | 4.87 | 60,431 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,142 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,241 |
| Countries With No Rivers | 0 | - | 4.96 | 76,210 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,528 |
| Countries with Fjords | 0 | - | 4.93 | 100,461 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,489 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,418 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,877 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,878 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,441 |
| Megadiverse Countries | 0 | - | 4.96 | 134,534 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,140 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,019 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,641 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,692 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,159,759 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,191 |
| Landlocked Countries | 0 | - | 4.99 | 416,601 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,387 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,315 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,740 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,903 |
| Himalayan Countries | 0 | - | 4.95 | 136,478 |
| Andean Countries | 0 | - | 4.95 | 83,479 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,738 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,983 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,413 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,018 |
| Danube Countries | 0 | - | 4.97 | 71,425 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,203 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,845 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,144 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,108 |
| European Landlocked Countries | 0 | - | 4.99 | 146,127 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,755 |
| Countries with the Most Species | 0 | - | 4.99 | 101,436 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,894 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,328 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,507 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,156 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,806 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,184 |
| Countries in the Alps | 0 | - | 4.86 | 117,314 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,896 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,883 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,250 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,737 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,814 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,251 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,977 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,991 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,801 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,327 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,361 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,724 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,989 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,001 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,705 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,889 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,239 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,977 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,559 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,824 |
| Largest Countries By Category | 0 | - | 4.97 | 157,250 |
| Countries by Countries | 0 | - | 4.96 | 62,590 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,078 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,080 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,849 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,456 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,593 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,808 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,807 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,744 |
| Island Countries | 0 | - | 4.99 | 708,793 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,332 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,284 |
| Northernmost Countries | 0 | - | 4.99 | 359,349 |
| Countries of South America | 0 | - | 5.00 | 919,615 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,589 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,603 |
| "Land" Countries | 0 | - | 4.98 | 334,585 |
| Biggest City by River | 0 | - | 4.41 | 52,751 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,410 |
| Landforms by Country | 0 | - | 4.52 | 51,939 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,985 |
| African Great Lakes | 0 | - | 4.82 | 65,695 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,864 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,830 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,261 |
| Countries with Megacities | 0 | - | 4.99 | 248,911 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,112 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,538 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,473 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,491 |
| Countries by Official Language | 0 | - | 4.95 | 193,996 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,518 |
| Countries in their Native Language | 0 | - | 4.99 | 197,621 |
| Independence from Whom | 0 | - | 4.99 | 210,793 |
| Subdivisions by Country | 0 | - | 4.86 | 50,196 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,316 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,818 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,073 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,625 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,948 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,435 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,210 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,573 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,543 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,368 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,805 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,154 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,578 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,682 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,639 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,856 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,199 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,549 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,688 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,052 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,661 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,391 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,694 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,262 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,456 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,618 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,144 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,636 |
| Widest Countries East to West | 0 | - | 4.92 | 129,135 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,328 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,638 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,908 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,953 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,976 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,351 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,088 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,670 |
| Countries with Double Letters | 0 | - | 4.96 | 94,103 |
| Countries that End in N | 0 | - | 4.95 | 165,275 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,535 |
| Countries with Six Letters | 0 | - | 4.93 | 211,114 |
| Countries with W | 0 | - | 4.97 | 158,785 |
| Countries with Z | 0 | - | 4.98 | 288,731 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,016 |
| Countries That End in U | 0 | - | 4.95 | 119,901 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,137 |
| Countries that End in O | 0 | - | 4.92 | 158,854 |
| Countries that End in R | 0 | - | 4.87 | 118,501 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,194 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,728 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,724 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,804 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,368 |
| Countries That End in Y | 0 | - | 4.90 | 185,411 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,820 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,077 |
| Countries that End in I | 0 | - | 4.94 | 134,661 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,682 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,405 |
| Countries That End in NIA | 0 | - | 4.92 | 109,288 |
| Countries That End in BIA | 0 | - | 4.93 | 148,552 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,419 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,765 |
| Countries That End in RIA | 0 | - | 4.93 | 126,331 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,323 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,065 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,861 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,195 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,773 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,139 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,429 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,934 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,829 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,992 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,192 |
| Countries that End in L | 0 | - | 4.94 | 156,283 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,857 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,065 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,709 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,558 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,611 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,301 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,796 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,312 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,816 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,239 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,044 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,868 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,291 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,517 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,514 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,813,350 |
| One Border Countries | 0 | - | 4.98 | 466,381 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,604,018 |
