| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,288 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,510 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,642 |
| Landlocked Countries | 0 | - | 4.99 | 427,271 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,971,486 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 121,630 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 246,736 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 203,802 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 80,634 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.96 | 73,823 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 62,040 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,931 |
| Himalayan Countries | 0 | - | 4.93 | 140,840 |
| Andean Countries | 0 | - | 4.94 | 85,808 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,923 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,495 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,470 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,695 |
| Danube Countries | 0 | - | 4.97 | 72,563 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,804 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,974 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,451 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,921 |
| European Landlocked Countries | 0 | - | 4.99 | 147,743 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,541 |
| Countries with the Most Species | 0 | - | 4.99 | 103,651 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,641 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,815 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,953 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,926 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,681 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,137 |
| Countries in the Alps | 0 | - | 4.87 | 118,980 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,003 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,136 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,056 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,172 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,128 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,394 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,601 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,994 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,516 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,316 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,954 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,831 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,677 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,926 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,023 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,152 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,738 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,483 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,844 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,316 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,500 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,619 |
| Largest Countries By Category | 0 | - | 4.97 | 159,100 |
| Countries by Countries | 0 | - | 4.97 | 63,812 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,451 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,451 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,705 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,449 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,555 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,235 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,675 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,240 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,636 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,046 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,373 |
| Island Countries | 0 | - | 4.99 | 713,017 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,196 |
| Northernmost Countries | 0 | - | 4.99 | 364,608 |
| Countries of South America | 0 | - | 5.00 | 934,319 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,571 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,119 |
| "Land" Countries | 0 | - | 4.98 | 339,003 |
| Countries With the Most Neighbors | 0 | - | 4.46 | 102,678 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,115 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,508 |
| Countries with Megacities | 0 | - | 4.99 | 267,871 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,161 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,344 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,486 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,443 |
| Countries by Official Language | 0 | - | 4.95 | 196,227 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,953 |
| Countries in their Native Language | 0 | - | 4.99 | 199,965 |
| Independence from Whom | 0 | - | 4.99 | 213,416 |
| Subdivisions by Country | 0 | - | 4.87 | 50,668 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,671 |
| Megadiverse Countries | 0 | - | 4.96 | 149,107 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,141 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,579 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,810 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,260 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,477 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,285 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,626 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,167 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,778 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,491 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,219 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,980 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,742 |
| World Map Quiz | 0 | - | 4.81 | 65,930 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,905 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,819 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,732 |
| Countries by Founding Story | 0 | - | 4.95 | 77,912 |
| Countries by Road Signs | 0 | - | 4.98 | 54,451 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,519 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,236 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,710 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,941 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,557 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,666 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,853 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,764 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,946 |
| Widest Countries East to West | 0 | - | 4.92 | 130,856 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,629 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,404 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,566 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,163 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,117 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,618 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,536 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,922 |
| Countries With the Tallest People | 0 | - | 4.93 | 95,253 |
| Countries with Double Letters | 0 | - | 4.96 | 97,643 |
| Countries that End in N | 0 | - | 4.95 | 172,642 |
| Countries with Five Letters | 0 | - | 4.96 | 284,660 |
| Countries with Six Letters | 0 | - | 4.94 | 214,969 |
| Countries with W | 0 | - | 4.96 | 161,323 |
| Countries with Z | 0 | - | 4.98 | 293,016 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,682 |
| Countries That End in U | 0 | - | 4.95 | 121,396 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,439 |
| Countries that End in O | 0 | - | 4.92 | 160,373 |
| Countries that End in R | 0 | - | 4.87 | 119,283 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,062 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,162 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 186,003 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,203 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,787 |
| Countries That End in Y | 0 | - | 4.91 | 186,177 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,309 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,425 |
| Countries that End in I | 0 | - | 4.94 | 135,429 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,287 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,150 |
| Countries That End in NIA | 0 | - | 4.92 | 110,159 |
| Countries That End in BIA | 0 | - | 4.93 | 149,742 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,941 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,908 |
| Countries That End in RIA | 0 | - | 4.93 | 127,151 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,546 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,958 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,399 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,867 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,412 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,927 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,462 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,612 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,061 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,740 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,913 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,623 |
| Countries that End in L | 0 | - | 4.94 | 157,250 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,601 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,381 |
| City to Country Quiz #1 | 0 | - | 4.96 | 157,889 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,159 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,546 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,667 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,315 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,527 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,417 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,196 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,322 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,299 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,972 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,877 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,366 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,072 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,993 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,438 |
| One Border Countries | 0 | - | 4.98 | 472,602 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,760 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,853,420 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 39,528 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,659,870 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,469 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,524 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,819 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,996 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,363 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,722 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,044 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,967 |
