| Five Closest Countries by Country #1 | 0 | - | 5.00 | 245,435 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 202,890 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 79,825 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.96 | 73,025 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,439 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,856 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,788 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,964 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,248,307 |
| Landlocked Countries | 0 | - | 4.99 | 417,733 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 39,110 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,748,995 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,413 |
| Himalayan Countries | 0 | - | 4.94 | 136,920 |
| Andean Countries | 0 | - | 4.95 | 83,678 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,942 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,275 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,604 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,189 |
| Danube Countries | 0 | - | 4.97 | 71,533 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,368 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,946 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,416 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,473 |
| European Landlocked Countries | 0 | - | 4.99 | 146,371 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,961 |
| Countries with the Most Species | 0 | - | 4.99 | 102,638 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,088 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,378 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,550 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,231 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,889 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,276 |
| Countries in the Alps | 0 | - | 4.86 | 117,504 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,009 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,134 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,338 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,854 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,954 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,368 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,128 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,087 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,888 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,436 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,421 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,271 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,828 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,099 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,112 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,952 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,976 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,506 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,370 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,707 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,899 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,912 |
| Largest Countries By Category | 0 | - | 4.97 | 157,451 |
| Countries by Countries | 0 | - | 4.96 | 62,725 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,038 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,746 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,122 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,443 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,109 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,525 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,204 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,946 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,273 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,482 |
| Island Countries | 0 | - | 4.99 | 709,277 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,750 |
| Northernmost Countries | 0 | - | 4.99 | 359,944 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 61,843 |
| Countries of South America | 0 | - | 5.00 | 921,354 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,061 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,610 |
| "Land" Countries | 0 | - | 4.98 | 335,455 |
| Countries With the Most Neighbors | 0 | - | 4.45 | 94,260 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,057 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,638 |
| Countries with Megacities | 0 | - | 4.99 | 249,684 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,472 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,757 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,807 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,728 |
| Countries by Official Language | 0 | - | 4.95 | 194,418 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,237 |
| Countries in their Native Language | 0 | - | 4.99 | 197,979 |
| Independence from Whom | 0 | - | 4.99 | 211,079 |
| Subdivisions by Country | 0 | - | 4.86 | 50,243 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,528 |
| Megadiverse Countries | 0 | - | 4.96 | 134,684 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,105 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,140 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,692 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,983 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,568 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,302 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,790 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,711 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,439 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,594 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,648 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,714 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,274 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,870 |
| World Map Quiz | 0 | - | 4.81 | 64,313 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,962 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,896 |
| Countries by Founding Story | 0 | - | 4.95 | 76,974 |
| Countries by Road Signs | 0 | - | 4.98 | 53,536 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,276 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,801 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,524 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,018 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,406 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,582 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,738 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,204 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,192 |
| Widest Countries East to West | 0 | - | 4.92 | 129,255 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,354 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,799 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,964 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,429 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,094 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,449 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,181 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,705 |
| Countries with Double Letters | 0 | - | 4.97 | 94,804 |
| Countries that End in N | 0 | - | 4.95 | 169,287 |
| Countries with Five Letters | 0 | - | 4.96 | 277,175 |
| Countries with Six Letters | 0 | - | 4.94 | 212,149 |
| Countries with W | 0 | - | 4.97 | 159,305 |
| Countries with Z | 0 | - | 4.98 | 289,495 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,508 |
| Countries That End in U | 0 | - | 4.95 | 120,295 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,530 |
| Countries that End in O | 0 | - | 4.92 | 159,109 |
| Countries that End in R | 0 | - | 4.87 | 118,659 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,440 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,104 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,966 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,978 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,562 |
| Countries That End in Y | 0 | - | 4.90 | 185,579 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,061 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,274 |
| Countries that End in I | 0 | - | 4.94 | 134,791 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,895 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,506 |
| Countries That End in NIA | 0 | - | 4.92 | 109,424 |
| Countries That End in BIA | 0 | - | 4.93 | 148,728 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,585 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,940 |
| Countries That End in RIA | 0 | - | 4.93 | 126,441 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,524 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,392 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,056 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,399 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,986 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,251 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,580 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,115 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,011 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,128 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,701 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,383 |
| Countries that End in L | 0 | - | 4.94 | 156,452 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,521 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,131 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,783 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,644 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,700 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,528 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,968 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,491 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,946 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,417 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,249 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,901 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,327 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,565 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,584 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,633 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,307 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,227 |
| One Border Countries | 0 | - | 4.98 | 467,062 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,818,117 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,609,641 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,204 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,414 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,143 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,514 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,177 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,227 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,792 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,507 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,723 |
| Countries by National Anthem | 0 | - | 4.92 | 71,157 |
| NATO Countries | 0 | - | 4.98 | 278,735 |
