| Country Name Etymologies #1 | 0 | - | 4.97 | 156,450 |
| Country Name Etymologies #2 | 0 | - | 4.95 | 83,116 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,344,389 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 395,705 |
| Countries with Four Letters | 0 | - | 4.99 | 408,476 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,483,329 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,569,826 |
| Sahara Desert Countries | 0 | - | 4.98 | 152,069 |
| Himalayan Countries | 0 | - | 4.94 | 127,827 |
| Andean Countries | 0 | - | 4.93 | 71,984 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,202 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 117,392 |
| Coffee Producing Countries | 0 | - | 4.84 | 62,581 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 61,630 |
| Danube Countries | 0 | - | 4.97 | 62,386 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 98,989 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,387 |
| Countries with the Worst Passports | 0 | - | 4.93 | 77,567 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 142,605 |
| European Landlocked Countries | 0 | - | 4.99 | 143,101 |
| Partially Recognized Countries | 0 | - | 4.98 | 101,091 |
| Countries with the Most Species | 0 | - | 4.99 | 93,625 |
| Countries 197 to 205 | 0 | - | 4.88 | 65,932 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,338 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,539 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,528 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,017 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,068 |
| Countries in the Alps | 0 | - | 4.87 | 113,058 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,311 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 100,934 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,552 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 92,802 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,711 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,186 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,867 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,024 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 48,929 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,097 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,097 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,917 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,601 |
| Arctic Ocean Countries | 0 | - | 4.94 | 77,060 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,976 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,372 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 65,984 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,842 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,554 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 229,211 |
| World Countries - Blind Typing | 0 | - | 5.00 | 99,601 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,200 |
| Largest Countries By Category | 0 | - | 4.97 | 153,472 |
| Countries by Countries | 0 | - | 4.96 | 59,977 |
| Country Flags with the Most White | 0 | - | 4.86 | 134,187 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,194 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 46,733 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,494 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 122,056 |
| Asian Countries Ending in "IA" | 0 | - | 4.95 | 103,353 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 131,686 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 122,735 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 205,935 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 364,767 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 389,707 |
| Island Countries Quiz | 0 | - | 4.99 | 698,517 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,013,328 |
| Northernmost Countries | 0 | - | 4.99 | 347,050 |
| Countries of South America | 0 | - | 5.00 | 883,619 |
| Countries of Oceania | 0 | - | 5.00 | 1,001,773 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,776,844 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,305,298 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 229,782 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 74,551 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 164,978 |
| Countries with Megacities | 0 | - | 4.99 | 224,840 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,272 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,653 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,326 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,142 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 307,832 |
| Countries by Official Language | 0 | - | 4.95 | 187,214 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 286,435 |
| Countries in their Native Language | 0 | - | 4.98 | 191,487 |
| Independence from Whom | 0 | - | 4.99 | 204,201 |
| Subdivisions by Country | 0 | - | 4.85 | 49,227 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 126,733 |
| Megadiverse Countries | 0 | - | 4.97 | 131,969 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 125,122 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,926 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 123,074 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,065 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,788 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,611 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,616 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 89,622 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,744 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,346 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,824 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 70,977 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,662 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,874 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,351 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,080 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,529 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 102,461 |
| World Map Quiz | 0 | - | 4.83 | 60,192 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 142,284 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,567 |
| Southernmost Countries of the World | 0 | - | 4.99 | 221,780 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,212 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 118,895 |
| Countries With the Most Languages | 0 | - | 4.89 | 193,692 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 102,743 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 90,532 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 95,623 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,508 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,463 |
| Widest Countries East to West | 0 | - | 4.92 | 126,417 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,400 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,458 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 91,954 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 144,340 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,962 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,499 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,029 |
| Countries with Double Letters | 0 | - | 4.97 | 87,581 |
| Countries that End in N | 0 | - | 4.93 | 151,091 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 251,788 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 205,086 |
| Countries with W | 0 | - | 4.97 | 153,717 |
| Countries with Z | 0 | - | 4.98 | 281,142 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,276 |
| Countries That End in U | 0 | - | 4.95 | 116,896 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,431 |
| Countries that End in O | 0 | - | 4.92 | 156,327 |
| Countries that End in R | 0 | - | 4.83 | 101,237 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,138 |
| Countries Ending in "IA" | 0 | - | 4.99 | 201,988 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,202 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,259 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,205 |
| Countries That End in Y | 0 | - | 4.91 | 183,628 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 192,909 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 148,747 |
| Countries that End in I | 0 | - | 4.92 | 118,463 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 178,691 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,690 |
| Countries That End in NIA | 0 | - | 4.92 | 107,228 |
| Countries That End in BIA | 0 | - | 4.92 | 145,391 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,164 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,373 |
| Countries That End in RIA | 0 | - | 4.92 | 124,179 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,723 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 219,666 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 129,504 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 121,617 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 87,374 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,444 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 50,158 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 100,226 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 121,909 |
| Countries that are Free from U.S.A. | 0 | - | 4.88 | 47,452 |
| Countries with the Word "And" | 0 | - | 4.98 | 91,853 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 50,029 |
| Countries that End in L | 0 | - | 4.94 | 153,563 |
| "Land" Countries | 0 | - | 4.98 | 302,861 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 200,361 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,395 |
| City to Country Quiz #1 | 0 | - | 4.96 | 152,922 |
| City to Country Quiz #3 | 0 | - | 4.88 | 106,864 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,836 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 223,082 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 195,219 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,736 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 158,994 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 219,142 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,087 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,588 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,652 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,441 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,689 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,401,369 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 368,994 |
| One Border Countries | 0 | - | 4.97 | 450,775 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,691,792 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 98,030 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,484 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,652 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,949 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,322 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,008 |
| Countries by Population Range - Tile Select | 0 | - | 4.86 | 56,329 |
| Countries by National Anthem | 0 | - | 4.93 | 70,368 |
| NATO Countries Quiz | 0 | - | 4.98 | 262,045 |
| EU Countries Quiz | 0 | - | 4.99 | 258,924 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 154,298 |
| French-Speaking Countries | 0 | - | 4.85 | 263,736 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 82,221 |
| Countries That Use the Euro | 0 | - | 4.97 | 94,276 |
