| Countries with Wild Penguins | 0 | - | 4.94 | 100,225 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,247 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,321 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,980 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,569 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,145 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,775 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,512,626 |
| Landlocked Countries | 0 | - | 4.99 | 421,134 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,000 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,904 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,166 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,308 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,032 |
| Himalayan Countries | 0 | - | 4.95 | 138,347 |
| Andean Countries | 0 | - | 4.93 | 84,390 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,612 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,530 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,242 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,646 |
| Danube Countries | 0 | - | 4.97 | 71,910 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,888 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,314 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,125 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,583 |
| European Landlocked Countries | 0 | - | 4.99 | 147,041 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,155 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,629 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,537 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,680 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,478 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,157 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,573 |
| Countries in the Alps | 0 | - | 4.87 | 118,057 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,456 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,859 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,588 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,395 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,879 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,557 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,415 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,120 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,761 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,589 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,456 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,129 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,395 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,429 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,688 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,227 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,732 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,910 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,506 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,843 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,153 |
| Largest Countries By Category | 0 | - | 4.97 | 158,039 |
| Countries by Countries | 0 | - | 4.96 | 63,094 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,562 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,244 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,537 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,312 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,891 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,580 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,844 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,275 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,680 |
| Island Countries | 0 | - | 4.99 | 710,703 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,596 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,725 |
| Northernmost Countries | 0 | - | 4.99 | 361,559 |
| Countries of South America | 0 | - | 5.00 | 926,008 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,252 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,276 |
| "Land" Countries | 0 | - | 4.98 | 337,052 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,367 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,412 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,361 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,314 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,665 |
| Countries with Megacities | 0 | - | 4.99 | 263,962 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,512 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,343 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,778 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,400 |
| Countries by Official Language | 0 | - | 4.95 | 195,066 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,145 |
| Countries in their Native Language | 0 | - | 4.99 | 198,673 |
| Independence from Whom | 0 | - | 4.99 | 211,881 |
| Subdivisions by Country | 0 | - | 4.86 | 50,387 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,575 |
| Megadiverse Countries | 0 | - | 4.96 | 134,939 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,929 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,298 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,877 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,077 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,003 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,547 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,342 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,980 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,599 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,500 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,828 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,140 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,914 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,300 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,445 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,918 |
| World Map Quiz | 0 | - | 4.81 | 64,971 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,776 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,266 |
| Countries by Founding Story | 0 | - | 4.95 | 77,294 |
| Countries by Road Signs | 0 | - | 4.98 | 53,898 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,919 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,173 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,902 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,973 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,929 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,227 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,394 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,506 |
| Widest Countries East to West | 0 | - | 4.92 | 129,567 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,432 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,273 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,088 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,700 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,485 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,769 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,334 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,782 |
| Countries with Double Letters | 0 | - | 4.96 | 95,979 |
| Countries that End in N | 0 | - | 4.95 | 170,884 |
| Countries with Five Letters | 0 | - | 4.96 | 282,013 |
| Countries with Six Letters | 0 | - | 4.94 | 213,300 |
| Countries with W | 0 | - | 4.97 | 160,143 |
| Countries with Z | 0 | - | 4.98 | 291,175 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,505 |
| Countries That End in U | 0 | - | 4.95 | 120,743 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,272 |
| Countries that End in O | 0 | - | 4.92 | 159,435 |
| Countries that End in R | 0 | - | 4.87 | 118,906 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,672 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,868 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,566 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,385 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,298 |
| Countries That End in Y | 0 | - | 4.91 | 185,810 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,763 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,735 |
| Countries that End in I | 0 | - | 4.94 | 135,033 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,933 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,756 |
| Countries That End in NIA | 0 | - | 4.92 | 109,705 |
| Countries That End in BIA | 0 | - | 4.93 | 149,103 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,001 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,328 |
| Countries That End in RIA | 0 | - | 4.93 | 126,740 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,919 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,326 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,554 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,953 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,517 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,516 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,931 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,416 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,433 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,367 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,163 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,861 |
| Countries that End in L | 0 | - | 4.94 | 156,749 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,232 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,239 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,956 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,892 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,922 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,572 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,531 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,895 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,423 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,286 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,794 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,052 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,671 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,814 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,778 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,617 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,060 |
| One Border Countries | 0 | - | 4.98 | 469,152 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,831,349 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,627,368 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,418 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,799 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,986 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,999 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,464 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,620 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,140 |
