| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,512 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,474 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,394 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,040 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,761 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,036 |
| Landlocked Countries | 0 | - | 4.99 | 420,866 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,760 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,907 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,588 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,488,896 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,976 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,468 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,936 |
| Himalayan Countries | 0 | - | 4.95 | 138,241 |
| Andean Countries | 0 | - | 4.95 | 84,337 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,565 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,458 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,188 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,609 |
| Danube Countries | 0 | - | 4.97 | 71,875 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,847 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,276 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,066 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,521 |
| European Landlocked Countries | 0 | - | 4.99 | 147,008 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,431 |
| Countries with the Most Species | 0 | - | 4.99 | 103,131 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,579 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,525 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,670 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,465 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,143 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,542 |
| Countries in the Alps | 0 | - | 4.87 | 118,015 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,101 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,800 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,564 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,489 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,358 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,857 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,514 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,376 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,100 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,728 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,578 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,435 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,100 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,373 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,398 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,630 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,203 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,717 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,862 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,371 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,769 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,134 |
| Largest Countries By Category | 0 | - | 4.97 | 157,987 |
| Countries by Countries | 0 | - | 4.96 | 63,060 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,515 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,228 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,524 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,550 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,770,146 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 98,417 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,587 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,158 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,485 |
| Island Countries | 0 | - | 4.99 | 710,577 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,362 |
| Northernmost Countries | 0 | - | 4.99 | 361,410 |
| Countries of South America | 0 | - | 5.00 | 925,575 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,692 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,873,163 |
| "Land" Countries | 0 | - | 4.98 | 336,876 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.63 | 51,560 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,697 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,585 |
| Countries with Megacities | 0 | - | 4.99 | 263,726 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,425 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,305 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,695 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,351 |
| Countries by Official Language | 0 | - | 4.95 | 195,009 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,061 |
| Countries in their Native Language | 0 | - | 4.99 | 198,524 |
| Independence from Whom | 0 | - | 4.99 | 211,804 |
| Subdivisions by Country | 0 | - | 4.86 | 50,380 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,242 |
| Megadiverse Countries | 0 | - | 4.96 | 134,914 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,867 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,281 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,863 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,069 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,963 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,508 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,283 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,962 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,587 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,048 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,423 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,809 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,123 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,900 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,269 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,431 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,820 |
| World Map Quiz | 0 | - | 4.81 | 64,928 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,597 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,230 |
| Countries by Founding Story | 0 | - | 4.95 | 77,257 |
| Countries by Road Signs | 0 | - | 4.98 | 53,865 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,855 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,137 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,861 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,880 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,767 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,900 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,201 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,380 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,476 |
| Widest Countries East to West | 0 | - | 4.92 | 129,548 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,421 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,226 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,078 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,663 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,451 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,733 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,329 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,773 |
| Countries with Double Letters | 0 | - | 4.97 | 95,835 |
| Countries that End in N | 0 | - | 4.95 | 170,771 |
| Countries with Five Letters | 0 | - | 4.96 | 281,844 |
| Countries with Six Letters | 0 | - | 4.94 | 213,182 |
| Countries with W | 0 | - | 4.97 | 160,058 |
| Countries with Z | 0 | - | 4.98 | 291,039 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,406 |
| Countries That End in U | 0 | - | 4.95 | 120,690 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,187 |
| Countries that End in O | 0 | - | 4.92 | 159,402 |
| Countries that End in R | 0 | - | 4.87 | 118,874 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,648 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,792 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,469 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,314 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,061 |
| Countries That End in Y | 0 | - | 4.91 | 185,791 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,669 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,690 |
| Countries that End in I | 0 | - | 4.94 | 135,009 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,841 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,732 |
| Countries That End in NIA | 0 | - | 4.92 | 109,677 |
| Countries That End in BIA | 0 | - | 4.93 | 149,055 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,948 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,276 |
| Countries That End in RIA | 0 | - | 4.93 | 126,707 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,867 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,255 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,497 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,894 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,469 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,483 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,885 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,399 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,385 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,337 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,109 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,810 |
| Countries that End in L | 0 | - | 4.94 | 156,719 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,033 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,228 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,939 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,863 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,905 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 172,760 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,657 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,783 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,289 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,471 |
| One Border Countries | 0 | - | 4.98 | 468,827 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,401 |
| Five Highest HDI Countries by Continent | 0 | - | 4.52 | 58,406 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,830,225 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,625,758 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,964 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,430 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,108 |
| Countries by National Anthem | 0 | - | 4.93 | 71,253 |
| NATO Countries | 0 | - | 4.98 | 280,656 |
| EU Countries Quiz | 0 | - | 4.99 | 274,526 |
| Recently Independent Countries | 0 | - | 4.98 | 159,297 |
| French-Speaking Countries | 0 | - | 4.85 | 270,602 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,851 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,163 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,589 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,486 |
| German-Speaking Countries | 0 | - | 4.91 | 145,614 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,855 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,201 |
