| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,288 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,511 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,648 |
| Landlocked Countries | 0 | - | 4.99 | 427,323 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,976,037 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 121,632 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 246,740 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 203,805 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 80,638 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.96 | 73,828 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 62,045 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,954 |
| Himalayan Countries | 0 | - | 4.93 | 140,856 |
| Andean Countries | 0 | - | 4.94 | 85,820 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,932 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,511 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,476 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,702 |
| Danube Countries | 0 | - | 4.97 | 72,564 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,808 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,979 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,462 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,929 |
| European Landlocked Countries | 0 | - | 4.99 | 147,773 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,548 |
| Countries with the Most Species | 0 | - | 4.99 | 103,654 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,651 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,817 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,957 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,930 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,684 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,139 |
| Countries in the Alps | 0 | - | 4.87 | 118,991 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,018 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,148 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,059 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,182 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,134 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,396 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,603 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,999 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,517 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,320 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,955 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,832 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,681 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,934 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,027 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,157 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,742 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,516 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,849 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,345 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,517 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,620 |
| Largest Countries By Category | 0 | - | 4.97 | 159,103 |
| Countries by Countries | 0 | - | 4.97 | 63,815 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,460 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,451 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,706 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,463 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,560 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,238 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,031 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,245 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,687 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,065 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,413 |
| Island Countries | 0 | - | 4.99 | 713,034 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,269 |
| Northernmost Countries | 0 | - | 4.99 | 364,634 |
| Countries of South America | 0 | - | 5.00 | 934,377 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,668 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,302 |
| "Land" Countries | 0 | - | 4.98 | 339,036 |
| Countries With the Most Neighbors | 0 | - | 4.46 | 102,681 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,356 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,523 |
| Countries with Megacities | 0 | - | 4.99 | 267,912 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,177 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,350 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,503 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,452 |
| Countries by Official Language | 0 | - | 4.95 | 196,239 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,968 |
| Countries in their Native Language | 0 | - | 4.99 | 199,971 |
| Independence from Whom | 0 | - | 4.99 | 213,427 |
| Subdivisions by Country | 0 | - | 4.87 | 50,671 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,677 |
| Megadiverse Countries | 0 | - | 4.96 | 149,234 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,144 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,583 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,813 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,262 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,486 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,295 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,633 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,174 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,799 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,493 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,222 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,981 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,760 |
| World Map Quiz | 0 | - | 4.81 | 65,933 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,943 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,825 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,741 |
| Countries by Founding Story | 0 | - | 4.95 | 77,917 |
| Countries by Road Signs | 0 | - | 4.98 | 54,455 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,537 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,245 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,715 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,961 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,566 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,673 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,863 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,767 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,956 |
| Widest Countries East to West | 0 | - | 4.92 | 130,863 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,631 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,414 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,568 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,168 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,127 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,622 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,538 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,923 |
| Countries With the Tallest People | 0 | - | 4.93 | 95,255 |
| Countries with Double Letters | 0 | - | 4.96 | 97,664 |
| Countries that End in N | 0 | - | 4.95 | 172,658 |
| Countries with Five Letters | 0 | - | 4.96 | 284,689 |
| Countries with Six Letters | 0 | - | 4.94 | 214,988 |
| Countries with W | 0 | - | 4.96 | 161,337 |
| Countries with Z | 0 | - | 4.98 | 293,045 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,697 |
| Countries That End in U | 0 | - | 4.95 | 121,402 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,451 |
| Countries that End in O | 0 | - | 4.92 | 160,380 |
| Countries that End in R | 0 | - | 4.87 | 119,284 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,067 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,177 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 186,336 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,218 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,837 |
| Countries That End in Y | 0 | - | 4.91 | 186,179 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,349 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,435 |
| Countries that End in I | 0 | - | 4.94 | 135,434 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,320 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,151 |
| Countries That End in NIA | 0 | - | 4.92 | 110,164 |
| Countries That End in BIA | 0 | - | 4.93 | 149,748 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,948 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,917 |
| Countries That End in RIA | 0 | - | 4.93 | 127,159 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,554 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,974 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,408 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,872 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,426 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,931 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,471 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,613 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,070 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,741 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,923 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,634 |
| Countries that End in L | 0 | - | 4.94 | 157,257 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,630 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,383 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,895 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,164 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,549 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,680 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,321 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,535 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,424 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,203 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,326 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,301 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,973 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,879 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,368 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,177 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,010 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,471 |
| One Border Countries | 0 | - | 4.98 | 472,629 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,761 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,853,692 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 39,529 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,660,192 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,474 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,538 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,828 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,002 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,371 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,733 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,048 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,974 |
