| "Land" Countries | 0 | - | 4.98 | 337,631 |
| Countries with Double Letters | 0 | - | 4.96 | 96,473 |
| Countries that End in N | 0 | - | 4.95 | 171,359 |
| Countries with Five Letters | 0 | - | 4.96 | 282,902 |
| Countries with Six Letters | 0 | - | 4.94 | 213,808 |
| Countries with W | 0 | - | 4.96 | 160,498 |
| Countries with Z | 0 | - | 4.98 | 291,723 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,857 |
| Countries That End in U | 0 | - | 4.95 | 120,941 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,635 |
| Countries that End in O | 0 | - | 4.92 | 159,592 |
| Countries that End in R | 0 | - | 4.87 | 119,025 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,784 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,308 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,810 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,579 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,486 |
| Countries That End in Y | 0 | - | 4.91 | 185,942 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,056 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,985 |
| Countries that End in I | 0 | - | 4.94 | 135,170 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,245 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,877 |
| Countries That End in NIA | 0 | - | 4.92 | 109,856 |
| Countries That End in BIA | 0 | - | 4.93 | 149,305 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,213 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,524 |
| Countries That End in RIA | 0 | - | 4.93 | 126,878 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,112 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,881 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,844 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,277 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,821 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,638 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,109 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,467 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,625 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,485 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,405 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,095 |
| Countries that End in L | 0 | - | 4.94 | 156,921 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,260 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,288 |
| Landlocked Countries | 0 | - | 4.99 | 423,003 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,662,977 |
| Countries with Four Letters | 0 | - | 4.99 | 423,898 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,017 |
| Himalayan Countries | 0 | - | 4.95 | 139,180 |
| Andean Countries | 0 | - | 4.93 | 84,873 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,090 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,229 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,675 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,978 |
| Danube Countries | 0 | - | 4.97 | 72,132 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,184 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,540 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,528 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,037 |
| European Landlocked Countries | 0 | - | 4.99 | 147,272 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,835 |
| Countries with the Most Species | 0 | - | 4.99 | 103,343 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,961 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,647 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,766 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,618 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,364 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,783 |
| Countries in the Alps | 0 | - | 4.87 | 118,361 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,751 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,281 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,755 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,714 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,632 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,043 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,815 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,607 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,249 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,953 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,720 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,589 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,322 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,563 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,635 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,157 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,400 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,739 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,244 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,500 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,421 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,309 |
| Largest Countries By Category | 0 | - | 4.97 | 158,395 |
| Countries by Countries | 0 | - | 4.96 | 63,359 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,842 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,323 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,592 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,960 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,125 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,792 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,819 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,874 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,763 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,496 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,834 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,982 |
| Island Countries | 0 | - | 4.99 | 711,417 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,146 |
| Northernmost Countries | 0 | - | 4.99 | 362,480 |
| Countries of South America | 0 | - | 5.00 | 928,768 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,698 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,483 |
| Countries with J | 0 | - | 4.55 | 185,453 |
| Countries by Consonants | 0 | - | 4.42 | 78,792 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,386,197 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,196 |
| Countries with Megacities | 0 | - | 4.99 | 265,289 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,018 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,633 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,275 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,709 |
| Countries by Official Language | 0 | - | 4.95 | 195,466 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,669 |
| Countries in their Native Language | 0 | - | 4.99 | 199,240 |
| Independence from Whom | 0 | - | 4.99 | 212,329 |
| Subdivisions by Country | 0 | - | 4.87 | 50,483 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,907 |
| Megadiverse Countries | 0 | - | 4.96 | 135,093 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,270 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,413 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,292 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,139 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,266 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,660 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,614 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,415 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,706 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,181 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,899 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,948 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,268 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,012 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,424 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,547 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,525 |
| World Map Quiz | 0 | - | 4.81 | 65,247 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,822 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,453 |
| Countries by Founding Story | 0 | - | 4.95 | 77,457 |
| Countries by Road Signs | 0 | - | 4.98 | 54,112 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,306 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,400 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,114 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,559 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,011 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,121 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,399 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,495 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,650 |
| Widest Countries East to West | 0 | - | 4.92 | 129,748 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,480 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,510 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,318 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,839 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,697 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,970 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,410 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,821 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,092 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,021 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,064 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,938 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,802 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,227 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,946 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,602 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,966 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,139 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,735 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,003 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,852 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,380 |
| One Border Countries | 0 | - | 4.98 | 470,454 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,921 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,531 |
| Most Similar Country Names | 0 | - | 4.16 | 46,586 |
| Longest Country Name A-Z | 0 | - | 4.32 | 42,249 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,838,658 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,638,154 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,037 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,430 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,300 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,660 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,859 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,314 |
| Countries by National Anthem | 0 | - | 4.93 | 71,320 |
| NATO Countries | 0 | - | 4.98 | 282,030 |
| EU Countries Quiz | 0 | - | 4.99 | 276,142 |
| Recently Independent Countries | 0 | - | 4.98 | 159,590 |
| French-Speaking Countries | 0 | - | 4.85 | 271,092 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,938 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,916 |
