| Countries Farthest From the Sea | 0 | - | 4.98 | 74,713 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 413,113 |
| Countries With No Rivers | 0 | - | 4.96 | 76,827 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,842 |
| Countries with Fjords | 0 | - | 4.94 | 100,911 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,531 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,420 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,674 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,029 |
| North Sea Countries | 0 | - | 4.92 | 87,400 |
| Black Sea Countries | 0 | - | 4.87 | 60,608 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,388 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,490 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,237 |
| Megadiverse Countries | 0 | - | 4.96 | 134,902 |
| African Great Lakes | 0 | - | 4.82 | 66,282 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,838 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,184 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,120 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,204 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,474,801 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,522 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,269 |
| Landlocked Countries | 0 | - | 4.99 | 420,727 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,876 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,518 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,093 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,225 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,455 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,559 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,102 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,370 |
| Island Countries | 0 | - | 4.99 | 710,506 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,826 |
| Himalayan Countries | 0 | - | 4.95 | 138,168 |
| Andean Countries | 0 | - | 4.95 | 84,302 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,526 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,401 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,158 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,594 |
| Danube Countries | 0 | - | 4.97 | 71,853 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,826 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,260 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,014 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,470 |
| European Landlocked Countries | 0 | - | 4.99 | 146,993 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,403 |
| Countries with the Most Species | 0 | - | 4.99 | 103,108 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,558 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,517 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,667 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,456 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,129 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,520 |
| Countries in the Alps | 0 | - | 4.87 | 117,984 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,784 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,758 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,556 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,469 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,336 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,840 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,490 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,361 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,089 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,713 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,571 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,427 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,086 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,361 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,382 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,586 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,185 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,704 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,839 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,288 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,721 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,122 |
| Largest Countries By Category | 0 | - | 4.97 | 157,959 |
| Countries by Countries | 0 | - | 4.97 | 63,035 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,243 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,529 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,130 |
| Northernmost Countries | 0 | - | 4.99 | 361,328 |
| Landforms by Country | 0 | - | 4.52 | 51,971 |
| Countries of South America | 0 | - | 5.00 | 925,341 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,364 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,512 |
| "Land" Countries | 0 | - | 4.98 | 336,733 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,085 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,970 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,400 |
| Seas of Europe | 0 | - | 4.37 | 84,659 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,029 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,415 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,527 |
| Countries with Megacities | 0 | - | 4.99 | 263,566 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,370 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,287 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,649 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,323 |
| Capitals by River | 0 | - | 4.55 | 48,319 |
| Countries by Official Language | 0 | - | 4.95 | 194,982 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,002 |
| Countries in their Native Language | 0 | - | 4.99 | 198,485 |
| Independence from Whom | 0 | - | 4.99 | 211,761 |
| Subdivisions by Country | 0 | - | 4.86 | 50,371 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,015 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,826 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,272 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,856 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,064 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,944 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,496 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,243 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,952 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,572 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,380 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,801 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,111 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,882 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,404 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,470 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,258 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,211 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,826 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,117 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,848 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,830 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,749 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,884 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,187 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,364 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,458 |
| Widest Countries East to West | 0 | - | 4.92 | 129,526 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,419 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,204 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,073 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,650 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,431 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,720 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,318 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,770 |
| Countries with Double Letters | 0 | - | 4.97 | 95,662 |
| Countries that End in N | 0 | - | 4.95 | 170,650 |
| Countries with Five Letters | 0 | - | 4.96 | 281,680 |
| Countries with Six Letters | 0 | - | 4.94 | 213,058 |
| Countries with W | 0 | - | 4.97 | 159,949 |
| Countries with Z | 0 | - | 4.98 | 290,892 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,271 |
| Countries That End in U | 0 | - | 4.95 | 120,632 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,118 |
| Countries that End in O | 0 | - | 4.92 | 159,360 |
| Countries that End in R | 0 | - | 4.87 | 118,846 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,619 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,724 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,397 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,277 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,889 |
| Countries That End in Y | 0 | - | 4.91 | 185,771 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,591 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,660 |
| Countries that End in I | 0 | - | 4.94 | 134,982 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,783 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,706 |
| Countries That End in NIA | 0 | - | 4.92 | 109,650 |
| Countries That End in BIA | 0 | - | 4.93 | 149,022 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,911 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,252 |
| Countries That End in RIA | 0 | - | 4.93 | 126,680 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,828 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,193 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,465 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,856 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,410 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,456 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,853 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,384 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,316 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,781 |
| Countries that End in L | 0 | - | 4.94 | 156,694 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,943 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,213 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,926 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,847 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,894 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,475 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,438 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,832 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,366 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,870 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,737 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,028 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.80 | 108,696 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,651 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,773 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,829,613 |
| One Border Countries | 0 | - | 4.98 | 468,738 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,030 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,999 |
