| Countries with Wild Penguins | 0 | - | 4.94 | 99,274 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,378 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,346 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,253 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,433 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,973 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,466 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,869,243 |
| Landlocked Countries | 0 | - | 4.99 | 413,063 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,594 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,584 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,761 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,408 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,337 |
| Himalayan Countries | 0 | - | 4.95 | 135,125 |
| Andean Countries | 0 | - | 4.94 | 82,708 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,125 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,044 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,799 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,502 |
| Danube Countries | 0 | - | 4.97 | 71,017 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,678 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,476 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,336 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,250 |
| European Landlocked Countries | 0 | - | 4.99 | 145,690 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,091 |
| Countries with the Most Species | 0 | - | 4.99 | 95,208 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,243 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,183 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,341 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,919 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,533 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,892 |
| Countries in the Alps | 0 | - | 4.87 | 116,718 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,500 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,127 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,961 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,350 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,082 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,945 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,498 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,703 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,707 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,992 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,174 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,008 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,390 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,695 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,929 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,584 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,213 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,709 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,943 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,436 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,555 |
| Largest Countries By Category | 0 | - | 4.97 | 156,660 |
| Countries by Countries | 0 | - | 4.96 | 62,190 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,266 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,941 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,309 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,032 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,686 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,244 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,905 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,110 |
| Island Countries | 0 | - | 4.99 | 707,339 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,626 |
| Northernmost Countries | 0 | - | 4.99 | 357,377 |
| Countries of South America | 0 | - | 5.00 | 913,758 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,090 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,003 |
| "Land" Countries | 0 | - | 4.98 | 333,477 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,597 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,634 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,946 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,251 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,918 |
| Countries with Megacities | 0 | - | 4.99 | 246,325 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,841 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,761 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,295 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,701 |
| Countries by Official Language | 0 | - | 4.95 | 192,631 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,944 |
| Countries in their Native Language | 0 | - | 4.99 | 196,506 |
| Independence from Whom | 0 | - | 4.99 | 209,534 |
| Subdivisions by Country | 0 | - | 4.86 | 50,039 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,619 |
| Megadiverse Countries | 0 | - | 4.97 | 133,842 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,682 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,888 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,382 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,572 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,950 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,623 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,081 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,187 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,725 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,436 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,375 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,450 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,464 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,624 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,991 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,403 |
| World Map Quiz | 0 | - | 4.81 | 63,399 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,337 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,243 |
| Countries by Founding Story | 0 | - | 4.95 | 76,465 |
| Countries by Road Signs | 0 | - | 4.98 | 53,026 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,205 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,907 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,873 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,560 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,790 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,991 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,194 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,894 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,280 |
| Widest Countries East to West | 0 | - | 4.92 | 128,543 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,197 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,119 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,532 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,638 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,537 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,966 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,036 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,555 |
| Countries with Double Letters | 0 | - | 4.97 | 93,256 |
| Countries that End in N | 0 | - | 4.94 | 156,329 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,537 |
| Countries with Six Letters | 0 | - | 4.93 | 210,237 |
| Countries with W | 0 | - | 4.97 | 158,142 |
| Countries with Z | 0 | - | 4.98 | 287,700 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,450 |
| Countries That End in U | 0 | - | 4.95 | 119,466 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,405 |
| Countries that End in O | 0 | - | 4.92 | 158,496 |
| Countries that End in R | 0 | - | 4.87 | 118,222 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,819 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,899 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,204 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,409 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,591 |
| Countries That End in Y | 0 | - | 4.90 | 185,167 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,210 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,578 |
| Countries that End in I | 0 | - | 4.94 | 134,333 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,051 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,156 |
| Countries That End in NIA | 0 | - | 4.92 | 108,944 |
| Countries That End in BIA | 0 | - | 4.92 | 147,635 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,999 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,424 |
| Countries That End in RIA | 0 | - | 4.93 | 126,031 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,935 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,037 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,466 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,843 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,282 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,883 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,053 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,579 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,425 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,777 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,039 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,722 |
| Countries that End in L | 0 | - | 4.94 | 155,659 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,809 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,972 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,473 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,240 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,381 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,445 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 198,983 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,854 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,092 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,275 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,457 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,576 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,153 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,397 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,271 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,896 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,347 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,644 |
| One Border Countries | 0 | - | 4.98 | 463,727 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,798,442 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,692 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,601 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,749 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,755 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,786 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,416 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,516 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,175 |
