| Five Closest Countries by Country #1 | 0 | - | 5.00 | 244,756 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 202,380 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.92 | 79,328 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.97 | 72,557 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,086 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,685 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,407 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,581 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,822,625 |
| Landlocked Countries | 0 | - | 4.99 | 412,467 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 38,887 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,707,106 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,052 |
| Himalayan Countries | 0 | - | 4.95 | 134,902 |
| Andean Countries | 0 | - | 4.94 | 82,577 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,007 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,851 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,682 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,405 |
| Danube Countries | 0 | - | 4.97 | 70,931 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,579 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,421 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,202 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,113 |
| European Landlocked Countries | 0 | - | 4.99 | 145,629 |
| Partially Recognized Countries | 0 | - | 4.98 | 104,989 |
| Countries with the Most Species | 0 | - | 4.99 | 95,156 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,116 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,160 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,322 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,884 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,480 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,836 |
| Countries in the Alps | 0 | - | 4.87 | 116,633 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,428 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 104,969 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,912 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,292 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,029 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 94,904 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,425 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,653 |
| Largest Country by Body of Water | 0 | - | 4.96 | 52,425 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,924 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,145 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,978 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,335 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,637 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,643 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,776 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,526 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,173 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,604 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,581 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,247 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,505 |
| Largest Countries By Category | 0 | - | 4.97 | 156,554 |
| Countries by Countries | 0 | - | 4.96 | 62,127 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,157 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,433 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,915 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,294 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,275 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 97,964 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,613 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,713 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,694 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,794 |
| Island Countries | 0 | - | 4.99 | 707,077 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,037,868 |
| Northernmost Countries | 0 | - | 4.99 | 357,026 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 61,670 |
| Countries of South America | 0 | - | 5.00 | 912,873 |
| Countries of Oceania | 0 | - | 5.00 | 1,037,862 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,843,904 |
| "Land" Countries | 0 | - | 4.98 | 333,336 |
| Countries With the Most Neighbors | 0 | - | 4.45 | 90,260 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,358,966 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,775 |
| Countries with Megacities | 0 | - | 4.99 | 245,924 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,678 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,689 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,168 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,603 |
| Countries by Official Language | 0 | - | 4.95 | 192,497 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,743 |
| Countries in their Native Language | 0 | - | 4.99 | 196,204 |
| Independence from Whom | 0 | - | 4.99 | 209,349 |
| Subdivisions by Country | 0 | - | 4.86 | 50,019 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,531 |
| Megadiverse Countries | 0 | - | 4.97 | 133,806 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,578 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,858 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,334 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,821 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,470 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,913 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,525 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,009 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,143 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,315 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,344 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,424 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,944 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,230 |
| World Map Quiz | 0 | - | 4.81 | 63,314 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,010 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,147 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 62,950 |
| Countries by Founding Story | 0 | - | 4.95 | 76,399 |
| Countries by Road Signs | 0 | - | 4.98 | 52,917 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,086 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,817 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,811 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,407 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,728 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,925 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,136 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,852 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,225 |
| Widest Countries East to West | 0 | - | 4.92 | 128,489 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,184 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,022 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,502 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,584 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,489 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,927 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 69,019 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,541 |
| Countries with Double Letters | 0 | - | 4.97 | 93,151 |
| Countries that End in N | 0 | - | 4.94 | 156,222 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,402 |
| Countries with Six Letters | 0 | - | 4.93 | 210,115 |
| Countries with W | 0 | - | 4.97 | 158,043 |
| Countries with Z | 0 | - | 4.98 | 287,214 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,279 |
| Countries That End in U | 0 | - | 4.95 | 119,414 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,248 |
| Countries that End in O | 0 | - | 4.92 | 158,442 |
| Countries that End in R | 0 | - | 4.86 | 118,162 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,797 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,782 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,134 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,342 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,524 |
| Countries That End in Y | 0 | - | 4.90 | 185,126 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,125 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,508 |
| Countries that End in I | 0 | - | 4.94 | 134,261 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 181,966 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,122 |
| Countries That End in NIA | 0 | - | 4.92 | 108,893 |
| Countries That End in BIA | 0 | - | 4.92 | 147,571 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,928 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,364 |
| Countries That End in RIA | 0 | - | 4.93 | 125,976 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,896 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 224,864 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,379 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,752 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,188 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,841 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 51,996 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,519 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,345 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,751 |
| Countries with the Word "And" | 0 | - | 4.99 | 115,964 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,635 |
| Countries that End in L | 0 | - | 4.94 | 155,606 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,443 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,956 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,427 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,176 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,342 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 245,531 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 198,859 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,792 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 161,991 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,173 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,389 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,541 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,131 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,376 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,238 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,432,778 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,846 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,707 |
| One Border Countries | 0 | - | 4.98 | 463,335 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,796,050 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,581,433 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,533 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,680 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,587 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,704 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,373 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,439 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,124 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,158 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,695 |
| Countries by National Anthem | 0 | - | 4.92 | 70,988 |
