| Landlocked Countries | 0 | - | 4.99 | 427,549 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,992,880 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,060 |
| Himalayan Countries | 0 | - | 4.93 | 140,955 |
| Andean Countries | 0 | - | 4.94 | 85,865 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,971 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,585 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,518 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,735 |
| Danube Countries | 0 | - | 4.97 | 72,587 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,847 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,000 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,499 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,972 |
| European Landlocked Countries | 0 | - | 4.99 | 147,805 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,578 |
| Countries with the Most Species | 0 | - | 4.99 | 103,661 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,685 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,825 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,965 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,946 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,699 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,156 |
| Countries in the Alps | 0 | - | 4.87 | 119,020 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,074 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,214 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,081 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,205 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,174 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,411 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,628 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,022 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,529 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,338 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,968 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,846 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,694 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,946 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,046 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,207 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,759 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,664 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,874 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,472 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,589 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,634 |
| Largest Countries By Category | 0 | - | 4.97 | 159,141 |
| Countries by Countries | 0 | - | 4.97 | 63,833 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,493 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,454 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,716 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,268 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,533 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,888 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,134 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,540 |
| Island Countries | 0 | - | 4.99 | 713,111 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,525 |
| Northernmost Countries | 0 | - | 4.99 | 364,750 |
| Countries of South America | 0 | - | 5.00 | 934,724 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,999 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,097 |
| "Land" Countries | 0 | - | 4.98 | 339,119 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,594 |
| Countries with Megacities | 0 | - | 4.99 | 268,056 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,242 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,385 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,566 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,487 |
| Countries by Official Language | 0 | - | 4.95 | 196,289 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,031 |
| Countries in their Native Language | 0 | - | 4.99 | 200,009 |
| Independence from Whom | 0 | - | 4.99 | 213,482 |
| Subdivisions by Country | 0 | - | 4.87 | 50,678 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,731 |
| Megadiverse Countries | 0 | - | 4.96 | 149,590 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,194 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,591 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,833 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,266 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,520 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,943 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,347 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,643 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,196 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,292 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,846 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,510 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,524 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,236 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,658 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,998 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,988 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,836 |
| World Map Quiz | 0 | - | 4.81 | 65,965 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,072 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,847 |
| Countries by Founding Story | 0 | - | 4.95 | 77,931 |
| Countries by Road Signs | 0 | - | 4.98 | 54,476 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,585 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,270 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,744 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,016 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,592 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,705 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,886 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,781 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,991 |
| Widest Countries East to West | 0 | - | 4.92 | 130,889 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,448 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,579 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,180 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,270 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,637 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,930 |
| Countries with Double Letters | 0 | - | 4.96 | 97,735 |
| Countries that End in N | 0 | - | 4.95 | 172,726 |
| Countries with Five Letters | 0 | - | 4.96 | 284,770 |
| Countries with Six Letters | 0 | - | 4.94 | 215,063 |
| Countries with W | 0 | - | 4.96 | 161,386 |
| Countries with Z | 0 | - | 4.98 | 293,133 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,756 |
| Countries That End in U | 0 | - | 4.95 | 121,439 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,508 |
| Countries that End in O | 0 | - | 4.92 | 160,410 |
| Countries that End in R | 0 | - | 4.87 | 119,304 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,080 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,225 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,292 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,270 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,943 |
| Countries That End in Y | 0 | - | 4.91 | 186,193 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,465 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,464 |
| Countries that End in I | 0 | - | 4.94 | 135,452 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,409 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,169 |
| Countries That End in NIA | 0 | - | 4.92 | 110,181 |
| Countries That End in BIA | 0 | - | 4.93 | 149,776 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,981 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,932 |
| Countries That End in RIA | 0 | - | 4.93 | 127,184 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,575 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,027 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,439 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,906 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,462 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,944 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,492 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,617 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,095 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,759 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,948 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,660 |
| Countries that End in L | 0 | - | 4.94 | 157,280 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,728 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,388 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,909 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,176 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,563 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,721 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,348 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,554 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,455 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,232 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,346 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,307 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,979 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,886 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,383 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,544 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,108 |
| One Border Countries | 0 | - | 4.98 | 472,743 |
| Top Producing Countries | 0 | - | 4.63 | 116,473 |
| ISO Country Codes | 0 | - | 4.49 | 92,008 |
| Countries on the Equator | 0 | - | 4.63 | 141,322 |
| Members of the Arab League | 0 | - | 4.77 | 75,751 |
| Countries with the Oldest Median Age | 0 | - | 4.80 | 70,130 |
| Separatist Movements | 0 | - | 4.45 | 46,076 |
| Countries with the Best Passports | 0 | - | 4.73 | 85,725 |
| Prime Meridian Countries | 0 | - | 4.69 | 59,953 |
| Next Country Alphabetically | 0 | - | 4.70 | 86,497 |
| Westernmost Countries | 0 | - | 4.43 | 62,577 |
| Easternmost Countries | 0 | - | 4.74 | 63,098 |
| Countries With the Most ISIS Fighters | 0 | - | 4.54 | 39,789 |
| Top 10 Most Famous Island Countries | 0 | - | 4.69 | 109,147 |
| Indochina Countries | 0 | - | 4.74 | 66,403 |
| Atlantic Ocean Island Countries | 0 | - | 4.56 | 64,702 |
| Countries With the Most Conflict Deaths | 0 | - | 4.63 | 96,869 |
| Highest Foreign Aid Recipients | 0 | - | 4.67 | 44,046 |
| Pacific Ocean Island Countries | 0 | - | 4.49 | 57,187 |
| Countries with the Most Traffic-Related Deaths | 0 | - | 4.74 | 48,533 |
| Countries with More Sheep than People | 0 | - | 4.48 | 32,151 |
| Countries with the Lowest Obesity Rate | 0 | - | 4.47 | 53,908 |
| Countries that are the Source of Refugees | 0 | - | 4.80 | 76,146 |
| Countries 206 to 242 | 0 | - | 4.74 | 34,123 |
| Most Populous Countries By Category | 0 | - | 4.55 | 85,775 |
| Countries with the Most Turkic People | 0 | - | 4.77 | 45,923 |
