| Countries with Wild Penguins | 0 | - | 4.94 | 97,992 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 85,281 |
| Countries with the Most Sheep | 0 | - | 4.90 | 91,415 |
| Countries that Catch the Most Fish | 0 | - | 4.89 | 110,183 |
| Countries with the Most Wolves | 0 | - | 4.92 | 105,511 |
| Countries With The Most Bird Species | 0 | - | 4.94 | 23,980 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 21,935 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,938,965 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 402,138 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,050 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,054 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,401 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,628,294 |
| Sahara Desert Countries | 0 | - | 4.97 | 155,260 |
| Himalayan Countries | 0 | - | 4.95 | 130,724 |
| Andean Countries | 0 | - | 4.94 | 80,084 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 60,300 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 119,659 |
| Coffee Producing Countries | 0 | - | 4.81 | 63,742 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 62,795 |
| Danube Countries | 0 | - | 4.97 | 63,175 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 100,042 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 84,136 |
| Countries with the Worst Passports | 0 | - | 4.93 | 79,896 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 144,456 |
| European Landlocked Countries | 0 | - | 4.99 | 143,985 |
| Partially Recognized Countries | 0 | - | 4.98 | 102,827 |
| Countries with the Most Species | 0 | - | 4.99 | 94,141 |
| Countries 197 to 205 | 0 | - | 4.88 | 67,218 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,676 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,862 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,030 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 71,625 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,799 |
| Countries in the Alps | 0 | - | 4.87 | 114,717 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 93,187 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 102,597 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,129 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,817 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,647 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,855 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,797 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,724 |
| Largest Country by Body of Water | 0 | - | 4.96 | 49,476 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,854 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,557 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,352 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 102,282 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,723 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,659 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 114,135 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,607 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 58,374 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 42,723 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 232,932 |
| World Countries - Blind Typing | 0 | - | 5.00 | 101,892 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,721 |
| Largest Countries By Category | 0 | - | 4.97 | 154,684 |
| Countries by Countries | 0 | - | 4.96 | 60,870 |
| Country Flags with the Most White | 0 | - | 4.87 | 135,421 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,506 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 46,965 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 86,373 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 367,940 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 393,758 |
| Island Countries Quiz | 0 | - | 4.99 | 702,579 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,320 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,022,627 |
| Northernmost Countries | 0 | - | 4.99 | 350,053 |
| Countries of South America | 0 | - | 5.00 | 896,460 |
| Countries of Oceania | 0 | - | 5.00 | 1,017,028 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,804,800 |
| Countries with More Cows than People | 0 | - | 4.42 | 53,689 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,330,156 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,380 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,163 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,248 |
| Countries with Megacities | 0 | - | 4.99 | 228,234 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,445 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,888 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,225 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,499 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 313,372 |
| Countries by Official Language | 0 | - | 4.95 | 189,592 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 289,304 |
| Countries in their Native Language | 0 | - | 4.99 | 193,583 |
| Independence from Whom | 0 | - | 4.99 | 206,126 |
| Subdivisions by Country | 0 | - | 4.86 | 49,545 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 128,074 |
| Megadiverse Countries | 0 | - | 4.97 | 132,922 |
| Countries With the Most English Speakers | 0 | - | 4.88 | 127,318 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,327 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,761 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,438 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 50,005 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 159,294 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,108 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 90,784 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 151,902 |
| Countries with Multiple Populous Islands | 0 | - | 4.88 | 93,768 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,281 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 72,818 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 106,167 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,660 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,777 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,860 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,112 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 104,949 |
| World Map Quiz | 0 | - | 4.84 | 61,461 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 146,536 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 104,475 |
| Countries by Founding Story | 0 | - | 4.95 | 75,228 |
| Countries by Road Signs | 0 | - | 4.98 | 51,748 |
| Southernmost Countries of the World | 0 | - | 4.99 | 223,625 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 102,325 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 120,210 |
| Countries With the Most Languages | 0 | - | 4.89 | 195,976 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 108,264 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,707 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,919 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 60,093 |
| Tallest Countries North to South | 0 | - | 4.83 | 118,209 |
| Widest Countries East to West | 0 | - | 4.92 | 127,428 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,878 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 183,608 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,821 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,693 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 146,041 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,705 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,720 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,283 |
| Countries with Double Letters | 0 | - | 4.97 | 89,473 |
| Countries that End in N | 0 | - | 4.93 | 152,637 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 254,157 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 206,722 |
| Countries with W | 0 | - | 4.97 | 155,060 |
| Countries with Z | 0 | - | 4.98 | 283,099 |
| Countries with Letters Missing | 0 | - | 4.97 | 181,606 |
| Countries That End in U | 0 | - | 4.95 | 117,650 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 105,863 |
| Countries that End in O | 0 | - | 4.92 | 156,993 |
| Countries that End in R | 0 | - | 4.84 | 101,631 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,951 |
| Countries Ending in "IA" | 0 | - | 4.99 | 204,176 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 167,147 |
| Countries by Last Two Letters | 0 | - | 4.87 | 133,131 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 139,063 |
| Countries That End in Y | 0 | - | 4.91 | 184,080 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 194,086 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 149,814 |
| Countries that End in I | 0 | - | 4.93 | 118,820 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 179,884 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 94,212 |
| Countries That End in NIA | 0 | - | 4.92 | 107,796 |
| Countries That End in BIA | 0 | - | 4.92 | 146,156 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 164,203 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 117,131 |
| Countries That End in RIA | 0 | - | 4.92 | 124,830 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 108,574 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 221,787 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 130,630 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 122,837 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 88,475 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 73,001 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 50,850 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 101,006 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 122,869 |
| Countries that are Free from U.S.A. | 0 | - | 4.88 | 47,960 |
| Countries with the Word "And" | 0 | - | 4.99 | 114,378 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 51,010 |
| Countries that End in L | 0 | - | 4.94 | 154,292 |
| "Land" Countries | 0 | - | 4.98 | 304,002 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 202,984 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,584 |
| City to Country Quiz #1 | 0 | - | 4.97 | 153,679 |
| City to Country Quiz #3 | 0 | - | 4.88 | 107,660 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 77,364 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 224,763 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 196,723 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 124,336 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 160,167 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 220,392 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,774 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,907 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 107,219 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 85,713 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 61,185 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,412,903 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 371,668 |
| Top 10 Countries with the Most Horses | 0 | - | 4.51 | 68,066 |
| One Border Countries | 0 | - | 4.98 | 454,908 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,728,916 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,524,218 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 23,508 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 84,310 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 262,378 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 119,106 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 110,029 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,942 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 57,080 |
