| Five Closest Countries by Country #1 | 0 | - | 5.00 | 246,222 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 203,467 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 80,312 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.96 | 73,475 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,800 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,178 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,259 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,415 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,654,247 |
| Landlocked Countries | 0 | - | 4.99 | 422,895 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 39,326 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,071 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,969 |
| Himalayan Countries | 0 | - | 4.95 | 139,133 |
| Andean Countries | 0 | - | 4.93 | 84,852 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,071 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,191 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,658 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,965 |
| Danube Countries | 0 | - | 4.97 | 72,125 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,167 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,524 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,507 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,011 |
| European Landlocked Countries | 0 | - | 4.99 | 147,262 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,815 |
| Countries with the Most Species | 0 | - | 4.99 | 103,334 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,942 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,645 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,761 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,610 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,352 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,770 |
| Countries in the Alps | 0 | - | 4.87 | 118,347 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,691 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,255 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,738 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,696 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,618 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,029 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,800 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,595 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,241 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,943 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,711 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,585 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,315 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,555 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,624 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,127 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,390 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,669 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,231 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,436 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,399 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,305 |
| Largest Countries By Category | 0 | - | 4.97 | 158,380 |
| Countries by Countries | 0 | - | 4.96 | 63,343 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,824 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,006 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,319 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,589 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,903 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,118 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,777 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,409 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,794 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,896 |
| Island Countries | 0 | - | 4.99 | 711,370 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,017 |
| Northernmost Countries | 0 | - | 4.99 | 362,412 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 61,957 |
| Countries of South America | 0 | - | 5.00 | 928,627 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,492 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,136 |
| "Land" Countries | 0 | - | 4.98 | 337,595 |
| Countries With the Most Neighbors | 0 | - | 4.46 | 102,433 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,925 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,158 |
| Countries with Megacities | 0 | - | 4.99 | 265,230 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,986 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,622 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,244 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,695 |
| Countries by Official Language | 0 | - | 4.95 | 195,446 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,640 |
| Countries in their Native Language | 0 | - | 4.99 | 199,219 |
| Independence from Whom | 0 | - | 4.99 | 212,308 |
| Subdivisions by Country | 0 | - | 4.87 | 50,476 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,890 |
| Megadiverse Countries | 0 | - | 4.96 | 135,086 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,244 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,404 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,283 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,138 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,257 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,653 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,593 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,412 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,702 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,879 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,941 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,010 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,542 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,491 |
| World Map Quiz | 0 | - | 4.81 | 65,229 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,742 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,439 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,242 |
| Countries by Founding Story | 0 | - | 4.95 | 77,448 |
| Countries by Road Signs | 0 | - | 4.98 | 54,100 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,279 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,386 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,097 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,514 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,994 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,101 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,380 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,491 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,642 |
| Widest Countries East to West | 0 | - | 4.92 | 129,737 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,478 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,495 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,228 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,828 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,681 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,958 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,407 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,817 |
| Countries with Double Letters | 0 | - | 4.96 | 96,441 |
| Countries that End in N | 0 | - | 4.95 | 171,320 |
| Countries with Five Letters | 0 | - | 4.96 | 282,855 |
| Countries with Six Letters | 0 | - | 4.94 | 213,780 |
| Countries with W | 0 | - | 4.96 | 160,473 |
| Countries with Z | 0 | - | 4.98 | 291,683 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,841 |
| Countries That End in U | 0 | - | 4.95 | 120,927 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,608 |
| Countries that End in O | 0 | - | 4.92 | 159,580 |
| Countries that End in R | 0 | - | 4.87 | 119,016 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,772 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,285 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,793 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,564 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,474 |
| Countries That End in Y | 0 | - | 4.91 | 185,934 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,043 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,967 |
| Countries that End in I | 0 | - | 4.94 | 135,159 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,228 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,873 |
| Countries That End in NIA | 0 | - | 4.92 | 109,847 |
| Countries That End in BIA | 0 | - | 4.93 | 149,295 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,204 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,510 |
| Countries That End in RIA | 0 | - | 4.93 | 126,874 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,092 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,850 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,831 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,262 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,809 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,633 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,098 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,466 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,611 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,479 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,395 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,083 |
| Countries that End in L | 0 | - | 4.94 | 156,908 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,200 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,286 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,084 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,012 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,055 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,921 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,785 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,216 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,930 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,590 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,952 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,135 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,732 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,956 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,682 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,340 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,520 |
| One Border Countries | 0 | - | 4.98 | 470,388 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,838,178 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,637,534 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,523 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,032 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,405 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,290 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,648 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,844 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,304 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,818 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,499 |
| Countries by National Anthem | 0 | - | 4.93 | 71,319 |
| NATO Countries | 0 | - | 4.98 | 281,973 |
