| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,253 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,582 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,039 |
| North Sea Countries | 0 | - | 4.92 | 87,430 |
| Black Sea Countries | 0 | - | 4.87 | 60,626 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,404 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,504 |
| Countries With No Rivers | 0 | - | 4.96 | 76,856 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,862 |
| Countries with Fjords | 0 | - | 4.94 | 100,963 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,954 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,741 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,214 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,108 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,696 |
| Megadiverse Countries | 0 | - | 4.96 | 134,939 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,824 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,891 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,223 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,246 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,511,849 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,438 |
| Landlocked Countries | 0 | - | 4.99 | 421,129 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,530 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,246 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,320 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,030 |
| Himalayan Countries | 0 | - | 4.95 | 138,345 |
| Andean Countries | 0 | - | 4.93 | 84,390 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,610 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,530 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,240 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,646 |
| Danube Countries | 0 | - | 4.97 | 71,910 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,887 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,314 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,125 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,582 |
| European Landlocked Countries | 0 | - | 4.99 | 147,041 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,155 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,627 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,537 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,679 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,477 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,157 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,571 |
| Countries in the Alps | 0 | - | 4.87 | 118,056 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,446 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,857 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,587 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,394 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,877 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,556 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,415 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,119 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,761 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,589 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,456 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,128 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,395 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,426 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,684 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,227 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,731 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,908 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,504 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,841 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,152 |
| Largest Countries By Category | 0 | - | 4.97 | 158,037 |
| Countries by Countries | 0 | - | 4.96 | 63,093 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,561 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,243 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,579 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,567 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,144 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,774 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,836 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,271 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,676 |
| Island Countries | 0 | - | 4.99 | 710,701 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,392 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,712 |
| Northernmost Countries | 0 | - | 4.99 | 361,555 |
| Countries of South America | 0 | - | 5.00 | 925,995 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,239 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,228 |
| "Land" Countries | 0 | - | 4.98 | 337,050 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,571 |
| Landforms by Country | 0 | - | 4.52 | 51,974 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,095 |
| African Great Lakes | 0 | - | 4.82 | 66,311 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,761 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,612 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,661 |
| Countries with Megacities | 0 | - | 4.99 | 263,955 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,509 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,343 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,777 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,400 |
| Countries by Official Language | 0 | - | 4.95 | 195,066 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,142 |
| Countries in their Native Language | 0 | - | 4.99 | 198,667 |
| Independence from Whom | 0 | - | 4.99 | 211,880 |
| Subdivisions by Country | 0 | - | 4.86 | 50,387 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,572 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,928 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,298 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,875 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,077 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,002 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,546 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,342 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,980 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,599 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,493 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,828 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,137 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,912 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,297 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,442 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,917 |
| World Map Quiz | 0 | - | 4.81 | 64,970 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,266 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,916 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,171 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,900 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,970 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,928 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,226 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,393 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,506 |
| Widest Countries East to West | 0 | - | 4.92 | 129,567 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,432 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,272 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,088 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,698 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,482 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,768 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,334 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,782 |
| Countries with Double Letters | 0 | - | 4.96 | 95,976 |
| Countries that End in N | 0 | - | 4.95 | 170,880 |
| Countries with Five Letters | 0 | - | 4.96 | 282,010 |
| Countries with Six Letters | 0 | - | 4.94 | 213,298 |
| Countries with W | 0 | - | 4.97 | 160,139 |
| Countries with Z | 0 | - | 4.98 | 291,173 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,504 |
| Countries That End in U | 0 | - | 4.95 | 120,742 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,269 |
| Countries that End in O | 0 | - | 4.92 | 159,434 |
| Countries that End in R | 0 | - | 4.87 | 118,904 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,672 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,866 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,564 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,385 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,295 |
| Countries That End in Y | 0 | - | 4.91 | 185,809 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,760 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,733 |
| Countries that End in I | 0 | - | 4.94 | 135,033 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,931 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,754 |
| Countries That End in NIA | 0 | - | 4.92 | 109,704 |
| Countries That End in BIA | 0 | - | 4.93 | 149,102 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,998 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,326 |
| Countries That End in RIA | 0 | - | 4.93 | 126,738 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,917 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,321 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,552 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,952 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,516 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,514 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,931 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,415 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,431 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,363 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,860 |
| Countries that End in L | 0 | - | 4.94 | 156,748 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,223 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,239 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,956 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,892 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,921 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,572 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,528 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,894 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,423 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,285 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,794 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,050 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,671 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,813 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,831,322 |
| One Border Countries | 0 | - | 4.98 | 469,137 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,627,312 |
