| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,797 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,658 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,831 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,244 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,800 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,049 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 120,843 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,625 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 119,927 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 245,221 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 202,714 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 79,647 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.96 | 72,870 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,310 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,126,796 |
| Landlocked Countries | 0 | - | 4.99 | 416,189 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,361 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,704 |
| Himalayan Countries | 0 | - | 4.95 | 136,309 |
| Andean Countries | 0 | - | 4.95 | 83,376 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,641 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,865 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,336 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,945 |
| Danube Countries | 0 | - | 4.97 | 71,347 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,133 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,805 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,060 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,005 |
| European Landlocked Countries | 0 | - | 4.99 | 146,069 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,682 |
| Countries with the Most Species | 0 | - | 4.99 | 99,208 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,831 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,309 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,483 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,124 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,775 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,145 |
| Countries in the Alps | 0 | - | 4.86 | 117,273 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,858 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,787 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,218 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,684 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,688 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,214 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,931 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,964 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,762 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,294 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,335 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,187 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,684 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,954 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,962 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,624 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,861 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,394 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,146 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,731 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,450 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,788 |
| Largest Countries By Category | 0 | - | 4.97 | 157,196 |
| Countries by Countries | 0 | - | 4.96 | 62,550 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 97,625 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,813 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,653 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,066 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,400 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,041 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,149 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,838 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,376 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,475 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,615 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,411 |
| Island Countries | 0 | - | 4.99 | 708,654 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,802 |
| Northernmost Countries | 0 | - | 4.99 | 359,133 |
| Countries of South America | 0 | - | 5.00 | 919,040 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,842 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,160 |
| "Land" Countries | 0 | - | 4.98 | 334,310 |
| Countries With the Most Neighbors | 0 | - | 4.45 | 90,420 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,313 |
| Five Most Guessed Countries by Continent | 0 | - | 4.96 | 171,950 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,408 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,155 |
| Countries with Megacities | 0 | - | 4.99 | 248,686 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,016 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,475 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,389 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,426 |
| Countries by Official Language | 0 | - | 4.95 | 193,861 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,335 |
| Countries in their Native Language | 0 | - | 4.99 | 197,499 |
| Independence from Whom | 0 | - | 4.99 | 210,429 |
| Subdivisions by Country | 0 | - | 4.86 | 50,176 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,242 |
| Megadiverse Countries | 0 | - | 4.96 | 134,507 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,702 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,060 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,609 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,330 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,182 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,492 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,512 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,346 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,100 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,560 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,628 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,179 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,398 |
| World Map Quiz | 0 | - | 4.81 | 63,980 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,125 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,658 |
| Countries by Founding Story | 0 | - | 4.95 | 76,823 |
| Countries by Road Signs | 0 | - | 4.98 | 53,364 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,976 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,617 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,339 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,579 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,218 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,406 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,587 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,123 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,605 |
| Widest Countries East to West | 0 | - | 4.92 | 129,101 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,315 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,590 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,856 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,922 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,938 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,315 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,006 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,659 |
| Countries with Double Letters | 0 | - | 4.96 | 93,835 |
| Countries that End in N | 0 | - | 4.94 | 157,275 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,235 |
| Countries with Six Letters | 0 | - | 4.93 | 210,862 |
| Countries with W | 0 | - | 4.97 | 158,529 |
| Countries with Z | 0 | - | 4.98 | 288,422 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,868 |
| Countries That End in U | 0 | - | 4.95 | 119,670 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,030 |
| Countries that End in O | 0 | - | 4.92 | 158,709 |
| Countries that End in R | 0 | - | 4.87 | 118,421 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,975 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,593 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,651 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,735 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,303 |
| Countries That End in Y | 0 | - | 4.90 | 185,331 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,752 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,010 |
| Countries that End in I | 0 | - | 4.94 | 134,604 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,610 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,369 |
| Countries That End in NIA | 0 | - | 4.92 | 109,237 |
| Countries That End in BIA | 0 | - | 4.93 | 148,472 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,359 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,712 |
| Countries That End in RIA | 0 | - | 4.93 | 126,271 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,264 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,960 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,786 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,143 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,690 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,087 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,370 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,888 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,782 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,950 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,451 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,113 |
| Countries that End in L | 0 | - | 4.94 | 156,217 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,639 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,040 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,690 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,523 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,588 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,218 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,751 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,191 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,773 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,185 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,009 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,856 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,277 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,493 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,483 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,262 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,669 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,531 |
| One Border Countries | 0 | - | 4.98 | 466,193 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,981 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,811,567 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,601,875 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,005 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 39,047 |
