| Countries With Two or More Bear Species | 0 | - | 4.89 | 19,094 |
| Countries with Wild Tigers | 0 | - | 4.95 | 112,399 |
| Countries with Wild Penguins | 0 | - | 4.93 | 91,319 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 79,678 |
| Countries with the Most Sheep | 0 | - | 4.88 | 83,081 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 102,771 |
| Countries with the Most Wolves | 0 | - | 4.88 | 79,808 |
| Countries With The Most Bird Species | 0 | - | 4.87 | 20,281 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,752,363 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,283 |
| Countries with the Most Wild Elephants | 0 | - | 4.55 | 51,345 |
| Animal Populations of Countries | 0 | - | 4.50 | 40,601 |
| Top 15 Countries with the Most Cows | 0 | - | 4.66 | 90,009 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,170,363 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,227,871 |
| Members of the Arab League | 0 | - | 4.86 | 66,268 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,470 |
| Himalayan Countries | 0 | - | 4.94 | 108,414 |
| Andean Countries | 0 | - | 4.91 | 60,190 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,373 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,847 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,463 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,845 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,259 |
| Danube Countries | 0 | - | 4.96 | 57,230 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,242 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,297 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,711 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,404 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,027 |
| European Landlocked Countries | 0 | - | 4.99 | 137,044 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,809 |
| Countries with the Most Species | 0 | - | 4.99 | 89,857 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,342 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,027 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,317 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,063 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,886 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,120 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,926 |
| Countries in the Alps | 0 | - | 4.84 | 103,859 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,438 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,520 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,286 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,383 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,900 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,347 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,552 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,776 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,696 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,415 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,177 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,033 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,033 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,586 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,679 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,243 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,557 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,963 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,041 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,531 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,395 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,830 |
| Largest Countries By Category | 0 | - | 4.97 | 146,438 |
| Countries by Countries | 0 | - | 4.95 | 55,603 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,545 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,209 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,619 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 345,006 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,587 |
| Island Countries Quiz | 0 | - | 4.99 | 668,576 |
| Countries with NO Snakes | 0 | - | 4.52 | 62,426 |
| Biggest Countries by Area | 0 | - | 5.00 | 947,316 |
| Northernmost Countries | 0 | - | 4.99 | 330,878 |
| Countries of South America | 0 | - | 5.00 | 809,746 |
| Countries of Oceania | 0 | - | 5.00 | 913,424 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,610,850 |
| Countries with Wild Lions | 0 | - | 4.72 | 22,034 |
| Where Do Musk Oxen Live? | 0 | - | 4.61 | 14,672 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,994 |
| Countries with Megacities | 0 | - | 4.99 | 201,791 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,319 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,946 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,213 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,843 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 252,958 |
| Countries by Official Language | 0 | - | 4.96 | 175,209 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,176 |
| Countries in their Native Language | 0 | - | 4.98 | 180,535 |
| Independence from Whom | 0 | - | 4.99 | 189,331 |
| Subdivisions by Country | 0 | - | 4.84 | 46,889 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,603 |
| Megadiverse Countries | 0 | - | 4.96 | 126,784 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,874 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,573 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,810 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,315 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,884 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,614 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,031 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,711 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,851 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,057 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,253 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,934 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,460 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,398 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,017 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,405 |
| World Map Quiz | 0 | - | 4.90 | 51,380 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 118,401 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,712 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,697 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,793 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 109,933 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,658 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,674 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,040 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,247 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 55,072 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,547 |
| Widest Countries East to West | 0 | - | 4.93 | 120,521 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,114 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,520 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,815 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,403 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,625 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,632 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,455 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,794 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,407 |
| Countries with Double Letters | 0 | - | 4.96 | 71,766 |
| Countries that End in N | 0 | - | 4.94 | 135,946 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 233,799 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,494 |
| Countries with W | 0 | - | 4.96 | 125,618 |
| Countries with Z | 0 | - | 4.98 | 264,589 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,661 |
| Countries That End in U | 0 | - | 4.95 | 109,317 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,337 |
| Countries that End in O | 0 | - | 4.92 | 148,624 |
| Countries that End in R | 0 | - | 4.85 | 97,297 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,075 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,118 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,674 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,672 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,613 |
| Countries That End in Y | 0 | - | 4.90 | 162,394 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,955 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,353 |
| Countries that End in I | 0 | - | 4.92 | 115,194 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,602 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,372 |
| Countries That End in NIA | 0 | - | 4.92 | 101,799 |
| Countries That End in BIA | 0 | - | 4.91 | 127,275 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,122 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 110,952 |
| Countries That End in RIA | 0 | - | 4.90 | 101,872 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,724 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,505 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,577 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,703 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,255 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,878 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,813 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,140 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,675 |
| Countries with the Word "And" | 0 | - | 4.98 | 85,028 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,471 |
| Countries that End in L | 0 | - | 4.95 | 135,819 |
| "Land" Countries | 0 | - | 4.98 | 292,270 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,242 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,873 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,339 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,050 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,594 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,040 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 170,904 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,786 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 134,891 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 196,358 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 142,549 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,611 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 103,293 |
| Top 10 Countries with the Most Horses | 0 | - | 4.51 | 65,036 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 83,259 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,364 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,328,582 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,312 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,116,361 |
| Countries with More Cows than People | 0 | - | 4.40 | 48,027 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,468,202 |
| One Border Countries | 0 | - | 4.98 | 415,695 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,746 |
| South China Sea Countries | 0 | - | 4.82 | 54,324 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,578 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,960 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,333 |
| Top Countries for Shark Attacks | 0 | - | 4.49 | 43,982 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,423 |
