| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,203 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,416 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,000 |
| North Sea Countries | 0 | - | 4.92 | 87,349 |
| Black Sea Countries | 0 | - | 4.87 | 60,585 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,343 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,440 |
| Countries With No Rivers | 0 | - | 4.96 | 76,739 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,780 |
| Countries with Fjords | 0 | - | 4.94 | 100,827 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,791 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,651 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,560 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,054 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,628 |
| Megadiverse Countries | 0 | - | 4.96 | 134,813 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,602 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,733 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,101 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,129 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,382,133 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,358 |
| Landlocked Countries | 0 | - | 4.99 | 419,572 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,498 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,988 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,164 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,261 |
| Himalayan Countries | 0 | - | 4.95 | 137,705 |
| Andean Countries | 0 | - | 4.95 | 84,073 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,311 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,829 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,939 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,429 |
| Danube Countries | 0 | - | 4.97 | 71,728 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,651 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,123 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,765 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,841 |
| European Landlocked Countries | 0 | - | 4.99 | 146,848 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,216 |
| Countries with the Most Species | 0 | - | 4.99 | 102,990 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,376 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,452 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,611 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,357 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,029 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,424 |
| Countries in the Alps | 0 | - | 4.87 | 117,794 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,205 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,504 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,458 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,153 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,172 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,763 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,357 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,250 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,012 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,612 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,517 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,367 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,978 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,244 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,265 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,314 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,101 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,611 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,637 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,657 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,393 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,034 |
| Largest Countries By Category | 0 | - | 4.97 | 157,761 |
| Countries by Countries | 0 | - | 4.96 | 62,913 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,176 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,393 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,417 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,974 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,737 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,541 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,770 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,523 |
| Island Countries | 0 | - | 4.99 | 710,036 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,174 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,770 |
| Northernmost Countries | 0 | - | 4.99 | 360,782 |
| Countries of South America | 0 | - | 5.00 | 923,845 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,367 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,637 |
| "Land" Countries | 0 | - | 4.98 | 335,951 |
| Biggest City by River | 0 | - | 4.41 | 52,834 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,518 |
| Landforms by Country | 0 | - | 4.52 | 51,966 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,056 |
| African Great Lakes | 0 | - | 4.82 | 66,123 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,246 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,959 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,208 |
| Countries with Megacities | 0 | - | 4.99 | 262,097 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,059 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,094 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,355 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,130 |
| Countries by Official Language | 0 | - | 4.95 | 194,766 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,701 |
| Countries in their Native Language | 0 | - | 4.99 | 198,312 |
| Independence from Whom | 0 | - | 4.99 | 211,483 |
| Subdivisions by Country | 0 | - | 4.86 | 50,316 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,830 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,638 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,213 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,789 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,033 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,785 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,419 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,065 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,881 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,521 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,009 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,132 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,750 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,026 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,821 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,187 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,366 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,374 |
| World Map Quiz | 0 | - | 4.81 | 64,699 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,100 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,638 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,007 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,726 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,528 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,600 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,745 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,888 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,305 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,340 |
| Widest Countries East to West | 0 | - | 4.92 | 129,430 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,401 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,032 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,019 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,568 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,299 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,619 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,267 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,738 |
| Countries with Double Letters | 0 | - | 4.97 | 95,195 |
| Countries that End in N | 0 | - | 4.95 | 170,201 |
| Countries with Five Letters | 0 | - | 4.96 | 280,860 |
| Countries with Six Letters | 0 | - | 4.94 | 212,636 |
| Countries with W | 0 | - | 4.97 | 159,592 |
| Countries with Z | 0 | - | 4.98 | 290,093 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,833 |
| Countries That End in U | 0 | - | 4.95 | 120,447 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,852 |
| Countries that End in O | 0 | - | 4.92 | 159,235 |
| Countries that End in R | 0 | - | 4.87 | 118,759 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,537 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,449 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,195 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,137 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,738 |
| Countries That End in Y | 0 | - | 4.91 | 185,672 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,357 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,502 |
| Countries that End in I | 0 | - | 4.94 | 134,905 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,321 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,612 |
| Countries That End in NIA | 0 | - | 4.92 | 109,552 |
| Countries That End in BIA | 0 | - | 4.93 | 148,899 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,797 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,122 |
| Countries That End in RIA | 0 | - | 4.93 | 126,578 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,708 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,874 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,309 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,693 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,223 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,370 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,729 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,298 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,207 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,233 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,623 |
| Countries that End in L | 0 | - | 4.94 | 156,583 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,315 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,165 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,871 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,766 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,814 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,907 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,270 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,708 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,211 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,702 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,633 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,981 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,614 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,709 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,825,062 |
| One Border Countries | 0 | - | 4.98 | 468,019 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,618,374 |
