| Countries with the Longest Coastlines | 0 | - | 4.81 | 413,082 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,026 |
| North Sea Countries | 0 | - | 4.92 | 87,395 |
| Black Sea Countries | 0 | - | 4.87 | 60,604 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,384 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,480 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,522 |
| Countries With No Rivers | 0 | - | 4.96 | 76,817 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,235 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,828 |
| Countries with Fjords | 0 | - | 4.94 | 100,902 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,888 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,705 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,411 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,672 |
| Megadiverse Countries | 0 | - | 4.96 | 134,889 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,824 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,173 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,196 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,464,333 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,516 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,264 |
| Landlocked Countries | 0 | - | 4.99 | 420,580 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,918 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,506 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,082 |
| Seas on the World Map | 0 | - | 4.96 | 135,351 |
| Seas of the World | 0 | - | 5.00 | 156,924 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,764 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,345 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,558 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,060 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,261 |
| Island Countries | 0 | - | 4.99 | 710,415 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,733 |
| Himalayan Countries | 0 | - | 4.95 | 138,104 |
| Andean Countries | 0 | - | 4.95 | 84,275 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,493 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,348 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,125 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,573 |
| Danube Countries | 0 | - | 4.97 | 71,837 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,804 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,245 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,982 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,435 |
| European Landlocked Countries | 0 | - | 4.99 | 146,973 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,386 |
| Countries with the Most Species | 0 | - | 4.99 | 103,099 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,539 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,508 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,660 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,448 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,117 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,508 |
| Countries in the Alps | 0 | - | 4.87 | 117,963 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,553 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,724 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,460 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,311 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,834 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,473 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,342 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,079 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,706 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,421 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,074 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,352 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,369 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,550 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,181 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,692 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,826 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,209 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,684 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,113 |
| Largest Countries By Category | 0 | - | 4.97 | 157,934 |
| Countries by Countries | 0 | - | 4.97 | 63,018 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,841 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,513 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,952 |
| Northernmost Countries | 0 | - | 4.99 | 361,255 |
| Landforms by Country | 0 | - | 4.52 | 51,971 |
| Countries of South America | 0 | - | 5.00 | 925,152 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,102 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,080 |
| "Land" Countries | 0 | - | 4.98 | 336,496 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,082 |
| African Great Lakes | 0 | - | 4.82 | 66,259 |
| Seas of Europe | 0 | - | 4.37 | 84,649 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,817 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,363 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,478 |
| Countries with Megacities | 0 | - | 4.99 | 263,466 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,317 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,257 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,614 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,294 |
| Countries by Official Language | 0 | - | 4.95 | 194,948 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,967 |
| Countries in their Native Language | 0 | - | 4.99 | 198,468 |
| Independence from Whom | 0 | - | 4.99 | 211,728 |
| Subdivisions by Country | 0 | - | 4.86 | 50,363 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,994 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,810 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,262 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,846 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,060 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,919 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,486 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,229 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,941 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,567 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,354 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,797 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,096 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,873 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,391 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,456 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,253 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,419 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,702 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,200 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,795 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,101 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,833 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,797 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,735 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,867 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,176 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,356 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,444 |
| Widest Countries East to West | 0 | - | 4.92 | 129,509 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,417 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,179 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,065 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,643 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,418 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,710 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,312 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,765 |
| Countries with Double Letters | 0 | - | 4.97 | 95,426 |
| Countries that End in N | 0 | - | 4.95 | 170,464 |
| Countries with Five Letters | 0 | - | 4.96 | 281,438 |
| Countries with Six Letters | 0 | - | 4.94 | 212,877 |
| Countries with W | 0 | - | 4.97 | 159,763 |
| Countries with Z | 0 | - | 4.98 | 290,695 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,030 |
| Countries That End in U | 0 | - | 4.95 | 120,536 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,037 |
| Countries that End in O | 0 | - | 4.92 | 159,303 |
| Countries that End in R | 0 | - | 4.87 | 118,814 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,585 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,646 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,343 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,234 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,855 |
| Countries That End in Y | 0 | - | 4.91 | 185,736 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,549 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,633 |
| Countries that End in I | 0 | - | 4.94 | 134,963 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,748 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,678 |
| Countries That End in NIA | 0 | - | 4.92 | 109,636 |
| Countries That End in BIA | 0 | - | 4.93 | 148,996 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,894 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,221 |
| Countries That End in RIA | 0 | - | 4.93 | 126,658 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,789 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,143 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,438 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,826 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,351 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,429 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,813 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,363 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,295 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,744 |
| Countries that End in L | 0 | - | 4.94 | 156,676 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,862 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,195 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,917 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,833 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,885 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,447 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,413 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,821 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,353 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,855 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,732 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,023 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.80 | 108,674 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,644 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,768 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,829,205 |
| One Border Countries | 0 | - | 4.98 | 468,656 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,458 |
